./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx --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 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:16:47,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:16:48,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 22:16:48,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:16:48,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:16:48,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:16:48,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:16:48,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:16:48,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:16:48,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:16:48,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:16:48,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:16:48,148 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:16:48,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:16:48,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:16:48,152 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:16:48,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:16:48,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:16:48,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:16:48,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:16:48,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:16:48,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:16:48,155 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 22:16:48,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:16:48,158 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:16:48,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:16:48,159 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:16:48,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:16:48,160 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:16:48,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:16:48,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:16:48,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:16:48,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:16:48,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:16:48,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:16:48,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:16:48,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:16:48,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:16:48,165 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:16:48,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:16:48,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:16:48,166 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_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 [2023-11-21 22:16:48,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:16:48,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:16:48,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:16:48,545 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:16:48,546 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:16:48,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2023-11-21 22:16:51,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:16:51,886 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:16:51,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2023-11-21 22:16:51,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/data/291e4e95f/a092a76bc9bd4549a52e56b128351b2d/FLAGed79cb916 [2023-11-21 22:16:51,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/data/291e4e95f/a092a76bc9bd4549a52e56b128351b2d [2023-11-21 22:16:51,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:16:51,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:16:51,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:51,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:16:51,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:16:51,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:51" (1/1) ... [2023-11-21 22:16:51,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd40f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:51, skipping insertion in model container [2023-11-21 22:16:51,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:51" (1/1) ... [2023-11-21 22:16:51,980 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:16:52,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:52,255 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:16:52,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:52,332 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:16:52,332 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:16:52,342 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:16:52,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:52 WrapperNode [2023-11-21 22:16:52,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:52,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:52,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:16:52,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:16:52,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:52" (1/1) ... [2023-11-21 22:16:52,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:52" (1/1) ... [2023-11-21 22:16:52,446 INFO L138 Inliner]: procedures = 25, calls = 69, calls flagged for inlining = 21, calls inlined = 25, statements flattened = 776 [2023-11-21 22:16:52,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:52,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:16:52,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:16:52,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:16:52,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:52" (1/1) ... [2023-11-21 22:16:52,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:52" (1/1) ... [2023-11-21 22:16:52,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:52" (1/1) ... [2023-11-21 22:16:52,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:52" (1/1) ... [2023-11-21 22:16:52,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:52" (1/1) ... [2023-11-21 22:16:52,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:52" (1/1) ... [2023-11-21 22:16:52,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:52" (1/1) ... [2023-11-21 22:16:52,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:52" (1/1) ... [2023-11-21 22:16:52,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:16:52,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:16:52,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:16:52,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:16:52,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:52" (1/1) ... [2023-11-21 22:16:52,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:16:52,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:52,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:52,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:16:52,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:16:52,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:16:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:16:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:16:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 22:16:52,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 22:16:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 22:16:52,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 22:16:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 22:16:52,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 22:16:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:16:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 22:16:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 22:16:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:16:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:16:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:16:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:16:52,671 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:16:52,901 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:16:52,904 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:16:54,487 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:16:55,579 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:16:55,580 INFO L308 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-21 22:16:55,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:55 BoogieIcfgContainer [2023-11-21 22:16:55,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:16:55,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:16:55,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:16:55,589 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:16:55,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:16:51" (1/3) ... [2023-11-21 22:16:55,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3731169c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:16:55, skipping insertion in model container [2023-11-21 22:16:55,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:52" (2/3) ... [2023-11-21 22:16:55,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3731169c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:16:55, skipping insertion in model container [2023-11-21 22:16:55,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:55" (3/3) ... [2023-11-21 22:16:55,593 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-1.wvr-bad.c [2023-11-21 22:16:55,602 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:16:55,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:16:55,615 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 128 error locations. [2023-11-21 22:16:55,615 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 22:16:55,816 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-21 22:16:55,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 525 places, 542 transitions, 1105 flow [2023-11-21 22:16:56,157 INFO L124 PetriNetUnfolderBase]: 27/539 cut-off events. [2023-11-21 22:16:56,157 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-21 22:16:56,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 539 events. 27/539 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1013 event pairs, 0 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 445. Up to 6 conditions per place. [2023-11-21 22:16:56,168 INFO L82 GeneralOperation]: Start removeDead. Operand has 525 places, 542 transitions, 1105 flow [2023-11-21 22:16:56,182 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 500 places, 516 transitions, 1050 flow [2023-11-21 22:16:56,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:16:56,199 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;@69e4e96b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:16:56,200 INFO L358 AbstractCegarLoop]: Starting to check reachability of 231 error locations. [2023-11-21 22:16:56,206 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 22:16:56,206 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2023-11-21 22:16:56,206 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:16:56,207 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:16:56,207 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] [2023-11-21 22:16:56,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:16:56,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:56,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1361778211, now seen corresponding path program 1 times [2023-11-21 22:16:56,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:56,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057166435] [2023-11-21 22:16:56,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:56,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:16:56,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:16:56,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057166435] [2023-11-21 22:16:56,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057166435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:16:56,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:16:56,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:16:56,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116156130] [2023-11-21 22:16:56,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:16:56,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:16:56,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:16:56,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:16:56,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:16:56,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-21 22:16:56,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 516 transitions, 1050 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:56,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:16:56,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-21 22:16:56,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:16:56,818 INFO L124 PetriNetUnfolderBase]: 30/427 cut-off events. [2023-11-21 22:16:56,819 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-21 22:16:56,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 427 events. 30/427 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 372 event pairs, 0 based on Foata normal form. 18/386 useless extension candidates. Maximal degree in co-relation 385. Up to 35 conditions per place. [2023-11-21 22:16:56,827 INFO L140 encePairwiseOnDemand]: 435/542 looper letters, 18 selfloop transitions, 2 changer transitions 6/411 dead transitions. [2023-11-21 22:16:56,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 411 transitions, 880 flow [2023-11-21 22:16:56,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:16:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:16:56,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1367 transitions. [2023-11-21 22:16:56,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8407134071340714 [2023-11-21 22:16:56,854 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1367 transitions. [2023-11-21 22:16:56,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1367 transitions. [2023-11-21 22:16:56,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:16:56,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1367 transitions. [2023-11-21 22:16:56,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 455.6666666666667) internal successors, (1367), 3 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:56,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:56,882 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:56,884 INFO L175 Difference]: Start difference. First operand has 500 places, 516 transitions, 1050 flow. Second operand 3 states and 1367 transitions. [2023-11-21 22:16:56,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 411 transitions, 880 flow [2023-11-21 22:16:56,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 411 transitions, 868 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-21 22:16:56,904 INFO L231 Difference]: Finished difference. Result has 403 places, 405 transitions, 820 flow [2023-11-21 22:16:56,907 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=403, PETRI_TRANSITIONS=405} [2023-11-21 22:16:56,910 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -97 predicate places. [2023-11-21 22:16:56,911 INFO L495 AbstractCegarLoop]: Abstraction has has 403 places, 405 transitions, 820 flow [2023-11-21 22:16:56,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:56,912 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:16:56,913 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:16:56,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:16:56,913 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:16:56,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:56,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1468571454, now seen corresponding path program 1 times [2023-11-21 22:16:56,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:56,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021790153] [2023-11-21 22:16:56,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:56,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:16:56,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:16:56,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021790153] [2023-11-21 22:16:56,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021790153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:16:56,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:16:56,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:16:56,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257793856] [2023-11-21 22:16:56,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:16:56,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:16:56,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:16:56,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:16:56,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:16:57,009 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-21 22:16:57,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 405 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:16:57,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-21 22:16:57,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:16:57,180 INFO L124 PetriNetUnfolderBase]: 30/420 cut-off events. [2023-11-21 22:16:57,181 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-21 22:16:57,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 420 events. 30/420 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 371 event pairs, 0 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 424. Up to 35 conditions per place. [2023-11-21 22:16:57,187 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 18 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2023-11-21 22:16:57,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 404 transitions, 858 flow [2023-11-21 22:16:57,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:16:57,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:16:57,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2023-11-21 22:16:57,193 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7767527675276753 [2023-11-21 22:16:57,193 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1263 transitions. [2023-11-21 22:16:57,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1263 transitions. [2023-11-21 22:16:57,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:16:57,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1263 transitions. [2023-11-21 22:16:57,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,209 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,209 INFO L175 Difference]: Start difference. First operand has 403 places, 405 transitions, 820 flow. Second operand 3 states and 1263 transitions. [2023-11-21 22:16:57,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 404 transitions, 858 flow [2023-11-21 22:16:57,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 404 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:16:57,222 INFO L231 Difference]: Finished difference. Result has 396 places, 404 transitions, 818 flow [2023-11-21 22:16:57,224 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=396, PETRI_TRANSITIONS=404} [2023-11-21 22:16:57,227 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -104 predicate places. [2023-11-21 22:16:57,228 INFO L495 AbstractCegarLoop]: Abstraction has has 396 places, 404 transitions, 818 flow [2023-11-21 22:16:57,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,230 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:16:57,230 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:16:57,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:16:57,232 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:16:57,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:57,233 INFO L85 PathProgramCache]: Analyzing trace with hash 39106067, now seen corresponding path program 1 times [2023-11-21 22:16:57,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:57,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876147347] [2023-11-21 22:16:57,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:57,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:16:57,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:16:57,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876147347] [2023-11-21 22:16:57,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876147347] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:16:57,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:16:57,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:16:57,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26394763] [2023-11-21 22:16:57,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:16:57,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:16:57,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:16:57,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:16:57,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:16:57,365 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-21 22:16:57,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 404 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:16:57,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-21 22:16:57,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:16:57,494 INFO L124 PetriNetUnfolderBase]: 30/419 cut-off events. [2023-11-21 22:16:57,494 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-21 22:16:57,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 419 events. 30/419 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 373 event pairs, 0 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 415. Up to 35 conditions per place. [2023-11-21 22:16:57,498 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 18 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2023-11-21 22:16:57,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 403 transitions, 856 flow [2023-11-21 22:16:57,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:16:57,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:16:57,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2023-11-21 22:16:57,504 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7767527675276753 [2023-11-21 22:16:57,504 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1263 transitions. [2023-11-21 22:16:57,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1263 transitions. [2023-11-21 22:16:57,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:16:57,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1263 transitions. [2023-11-21 22:16:57,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,518 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,518 INFO L175 Difference]: Start difference. First operand has 396 places, 404 transitions, 818 flow. Second operand 3 states and 1263 transitions. [2023-11-21 22:16:57,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 403 transitions, 856 flow [2023-11-21 22:16:57,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 403 transitions, 852 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:16:57,530 INFO L231 Difference]: Finished difference. Result has 395 places, 403 transitions, 816 flow [2023-11-21 22:16:57,531 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=395, PETRI_TRANSITIONS=403} [2023-11-21 22:16:57,532 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -105 predicate places. [2023-11-21 22:16:57,532 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 403 transitions, 816 flow [2023-11-21 22:16:57,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,534 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:16:57,534 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:16:57,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:16:57,534 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:16:57,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:57,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1022094691, now seen corresponding path program 1 times [2023-11-21 22:16:57,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:57,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36694312] [2023-11-21 22:16:57,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:57,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:57,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:16:57,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:16:57,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36694312] [2023-11-21 22:16:57,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36694312] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:16:57,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:16:57,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:16:57,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638148113] [2023-11-21 22:16:57,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:16:57,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:16:57,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:16:57,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:16:57,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:16:57,666 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-21 22:16:57,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 403 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:16:57,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-21 22:16:57,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:16:57,887 INFO L124 PetriNetUnfolderBase]: 56/547 cut-off events. [2023-11-21 22:16:57,888 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2023-11-21 22:16:57,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 547 events. 56/547 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 959 event pairs, 0 based on Foata normal form. 1/469 useless extension candidates. Maximal degree in co-relation 563. Up to 37 conditions per place. [2023-11-21 22:16:57,895 INFO L140 encePairwiseOnDemand]: 538/542 looper letters, 27 selfloop transitions, 3 changer transitions 0/415 dead transitions. [2023-11-21 22:16:57,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 415 transitions, 905 flow [2023-11-21 22:16:57,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:16:57,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:16:57,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1285 transitions. [2023-11-21 22:16:57,902 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7902829028290282 [2023-11-21 22:16:57,902 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1285 transitions. [2023-11-21 22:16:57,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1285 transitions. [2023-11-21 22:16:57,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:16:57,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1285 transitions. [2023-11-21 22:16:57,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,917 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,918 INFO L175 Difference]: Start difference. First operand has 395 places, 403 transitions, 816 flow. Second operand 3 states and 1285 transitions. [2023-11-21 22:16:57,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 415 transitions, 905 flow [2023-11-21 22:16:57,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 415 transitions, 901 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:16:57,931 INFO L231 Difference]: Finished difference. Result has 395 places, 404 transitions, 827 flow [2023-11-21 22:16:57,932 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=827, PETRI_PLACES=395, PETRI_TRANSITIONS=404} [2023-11-21 22:16:57,933 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -105 predicate places. [2023-11-21 22:16:57,933 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 404 transitions, 827 flow [2023-11-21 22:16:57,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:57,935 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:16:57,936 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:16:57,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:16:57,936 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:16:57,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:57,937 INFO L85 PathProgramCache]: Analyzing trace with hash 612321601, now seen corresponding path program 1 times [2023-11-21 22:16:57,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:57,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827219283] [2023-11-21 22:16:57,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:57,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:57,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:16:57,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:16:57,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827219283] [2023-11-21 22:16:57,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827219283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:16:57,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:16:57,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:16:57,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575678509] [2023-11-21 22:16:57,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:16:57,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:16:57,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:16:57,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:16:57,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:16:58,011 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-21 22:16:58,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 404 transitions, 827 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:58,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:16:58,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-21 22:16:58,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:16:58,238 INFO L124 PetriNetUnfolderBase]: 56/540 cut-off events. [2023-11-21 22:16:58,239 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2023-11-21 22:16:58,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 540 events. 56/540 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 945 event pairs, 2 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 391. Up to 63 conditions per place. [2023-11-21 22:16:58,246 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 19 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2023-11-21 22:16:58,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 403 transitions, 867 flow [2023-11-21 22:16:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:16:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:16:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-21 22:16:58,251 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-21 22:16:58,251 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-21 22:16:58,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-21 22:16:58,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:16:58,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-21 22:16:58,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:58,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:58,266 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:58,266 INFO L175 Difference]: Start difference. First operand has 395 places, 404 transitions, 827 flow. Second operand 3 states and 1265 transitions. [2023-11-21 22:16:58,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 403 transitions, 867 flow [2023-11-21 22:16:58,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 403 transitions, 864 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:16:58,278 INFO L231 Difference]: Finished difference. Result has 395 places, 403 transitions, 826 flow [2023-11-21 22:16:58,279 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=395, PETRI_TRANSITIONS=403} [2023-11-21 22:16:58,280 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -105 predicate places. [2023-11-21 22:16:58,280 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 403 transitions, 826 flow [2023-11-21 22:16:58,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:58,282 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:16:58,282 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:16:58,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:16:58,282 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:16:58,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:58,283 INFO L85 PathProgramCache]: Analyzing trace with hash 949374445, now seen corresponding path program 1 times [2023-11-21 22:16:58,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:58,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702123059] [2023-11-21 22:16:58,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:58,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:58,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:16:58,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:16:58,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702123059] [2023-11-21 22:16:58,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702123059] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:16:58,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:16:58,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:16:58,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857981122] [2023-11-21 22:16:58,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:16:58,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:16:58,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:16:58,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:16:58,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:16:58,389 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-21 22:16:58,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 403 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:58,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:16:58,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-21 22:16:58,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:16:58,573 INFO L124 PetriNetUnfolderBase]: 56/539 cut-off events. [2023-11-21 22:16:58,574 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-11-21 22:16:58,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 539 events. 56/539 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 946 event pairs, 2 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 560. Up to 61 conditions per place. [2023-11-21 22:16:58,582 INFO L140 encePairwiseOnDemand]: 540/542 looper letters, 18 selfloop transitions, 1 changer transitions 0/402 dead transitions. [2023-11-21 22:16:58,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 402 transitions, 862 flow [2023-11-21 22:16:58,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:16:58,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:16:58,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2023-11-21 22:16:58,588 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7822878228782287 [2023-11-21 22:16:58,588 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2023-11-21 22:16:58,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2023-11-21 22:16:58,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:16:58,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2023-11-21 22:16:58,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:58,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:58,604 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:58,604 INFO L175 Difference]: Start difference. First operand has 395 places, 403 transitions, 826 flow. Second operand 3 states and 1272 transitions. [2023-11-21 22:16:58,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 402 transitions, 862 flow [2023-11-21 22:16:58,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 402 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:16:58,618 INFO L231 Difference]: Finished difference. Result has 394 places, 402 transitions, 822 flow [2023-11-21 22:16:58,619 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=394, PETRI_TRANSITIONS=402} [2023-11-21 22:16:58,620 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -106 predicate places. [2023-11-21 22:16:58,620 INFO L495 AbstractCegarLoop]: Abstraction has has 394 places, 402 transitions, 822 flow [2023-11-21 22:16:58,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:58,623 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:16:58,623 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] [2023-11-21 22:16:58,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:16:58,624 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:16:58,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:58,624 INFO L85 PathProgramCache]: Analyzing trace with hash 836054131, now seen corresponding path program 1 times [2023-11-21 22:16:58,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:58,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514592034] [2023-11-21 22:16:58,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:58,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:59,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:16:59,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:16:59,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514592034] [2023-11-21 22:16:59,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514592034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:16:59,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:16:59,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:16:59,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309517337] [2023-11-21 22:16:59,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:16:59,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:16:59,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:16:59,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:16:59,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:16:59,921 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 542 [2023-11-21 22:16:59,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 402 transitions, 822 flow. Second operand has 6 states, 6 states have (on average 369.5) internal successors, (2217), 6 states have internal predecessors, (2217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:16:59,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:16:59,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 542 [2023-11-21 22:16:59,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:00,200 INFO L124 PetriNetUnfolderBase]: 168/648 cut-off events. [2023-11-21 22:17:00,201 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2023-11-21 22:17:00,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 648 events. 168/648 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1126 event pairs, 6 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 857. Up to 220 conditions per place. [2023-11-21 22:17:00,212 INFO L140 encePairwiseOnDemand]: 524/542 looper letters, 52 selfloop transitions, 15 changer transitions 0/399 dead transitions. [2023-11-21 22:17:00,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 399 transitions, 950 flow [2023-11-21 22:17:00,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:17:00,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:17:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2276 transitions. [2023-11-21 22:17:00,238 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6998769987699877 [2023-11-21 22:17:00,238 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2276 transitions. [2023-11-21 22:17:00,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2276 transitions. [2023-11-21 22:17:00,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:00,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2276 transitions. [2023-11-21 22:17:00,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 379.3333333333333) internal successors, (2276), 6 states have internal predecessors, (2276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,261 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,264 INFO L175 Difference]: Start difference. First operand has 394 places, 402 transitions, 822 flow. Second operand 6 states and 2276 transitions. [2023-11-21 22:17:00,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 399 transitions, 950 flow [2023-11-21 22:17:00,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 399 transitions, 949 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:17:00,277 INFO L231 Difference]: Finished difference. Result has 395 places, 399 transitions, 845 flow [2023-11-21 22:17:00,278 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=815, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=845, PETRI_PLACES=395, PETRI_TRANSITIONS=399} [2023-11-21 22:17:00,279 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -105 predicate places. [2023-11-21 22:17:00,279 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 399 transitions, 845 flow [2023-11-21 22:17:00,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 369.5) internal successors, (2217), 6 states have internal predecessors, (2217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:00,282 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] [2023-11-21 22:17:00,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:17:00,283 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:00,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:00,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1740032749, now seen corresponding path program 1 times [2023-11-21 22:17:00,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:00,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738576584] [2023-11-21 22:17:00,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:00,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:00,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:00,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:00,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738576584] [2023-11-21 22:17:00,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738576584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:00,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:00,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:00,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371394280] [2023-11-21 22:17:00,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:00,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:00,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:00,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:00,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:00,385 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-21 22:17:00,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 399 transitions, 845 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:00,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-21 22:17:00,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:00,564 INFO L124 PetriNetUnfolderBase]: 56/535 cut-off events. [2023-11-21 22:17:00,565 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-11-21 22:17:00,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 535 events. 56/535 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 935 event pairs, 2 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 588. Up to 63 conditions per place. [2023-11-21 22:17:00,572 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 19 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2023-11-21 22:17:00,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 398 transitions, 885 flow [2023-11-21 22:17:00,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:00,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-21 22:17:00,577 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-21 22:17:00,578 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-21 22:17:00,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-21 22:17:00,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:00,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-21 22:17:00,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,617 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,617 INFO L175 Difference]: Start difference. First operand has 395 places, 399 transitions, 845 flow. Second operand 3 states and 1265 transitions. [2023-11-21 22:17:00,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 398 transitions, 885 flow [2023-11-21 22:17:00,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 398 transitions, 855 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 22:17:00,632 INFO L231 Difference]: Finished difference. Result has 391 places, 398 transitions, 817 flow [2023-11-21 22:17:00,633 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=813, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=817, PETRI_PLACES=391, PETRI_TRANSITIONS=398} [2023-11-21 22:17:00,642 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -109 predicate places. [2023-11-21 22:17:00,642 INFO L495 AbstractCegarLoop]: Abstraction has has 391 places, 398 transitions, 817 flow [2023-11-21 22:17:00,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,644 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:00,644 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] [2023-11-21 22:17:00,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 22:17:00,645 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:00,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:00,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1939414002, now seen corresponding path program 1 times [2023-11-21 22:17:00,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:00,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123573924] [2023-11-21 22:17:00,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:00,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:00,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:00,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123573924] [2023-11-21 22:17:00,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123573924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:00,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:00,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:00,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615582249] [2023-11-21 22:17:00,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:00,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:00,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:00,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:00,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:00,730 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-21 22:17:00,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 398 transitions, 817 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:00,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-21 22:17:00,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:00,896 INFO L124 PetriNetUnfolderBase]: 56/534 cut-off events. [2023-11-21 22:17:00,896 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-11-21 22:17:00,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 624 conditions, 534 events. 56/534 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 938 event pairs, 2 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 559. Up to 64 conditions per place. [2023-11-21 22:17:00,904 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 20 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2023-11-21 22:17:00,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 397 transitions, 859 flow [2023-11-21 22:17:00,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:00,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2023-11-21 22:17:00,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7767527675276753 [2023-11-21 22:17:00,911 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1263 transitions. [2023-11-21 22:17:00,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1263 transitions. [2023-11-21 22:17:00,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:00,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1263 transitions. [2023-11-21 22:17:00,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,924 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,924 INFO L175 Difference]: Start difference. First operand has 391 places, 398 transitions, 817 flow. Second operand 3 states and 1263 transitions. [2023-11-21 22:17:00,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 397 transitions, 859 flow [2023-11-21 22:17:00,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 397 transitions, 855 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:17:00,939 INFO L231 Difference]: Finished difference. Result has 390 places, 397 transitions, 815 flow [2023-11-21 22:17:00,940 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=811, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=815, PETRI_PLACES=390, PETRI_TRANSITIONS=397} [2023-11-21 22:17:00,941 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -110 predicate places. [2023-11-21 22:17:00,941 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 397 transitions, 815 flow [2023-11-21 22:17:00,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:00,943 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:00,943 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] [2023-11-21 22:17:00,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:17:00,944 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:00,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:00,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1922481923, now seen corresponding path program 1 times [2023-11-21 22:17:00,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:00,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625520509] [2023-11-21 22:17:00,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:00,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:01,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:01,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625520509] [2023-11-21 22:17:01,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625520509] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:01,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:01,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:01,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838469499] [2023-11-21 22:17:01,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:01,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:01,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:01,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:01,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:01,019 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-21 22:17:01,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 397 transitions, 815 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,021 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:01,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-21 22:17:01,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:01,270 INFO L124 PetriNetUnfolderBase]: 88/675 cut-off events. [2023-11-21 22:17:01,270 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2023-11-21 22:17:01,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 675 events. 88/675 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1616 event pairs, 2 based on Foata normal form. 0/576 useless extension candidates. Maximal degree in co-relation 736. Up to 55 conditions per place. [2023-11-21 22:17:01,280 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 30 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2023-11-21 22:17:01,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 409 transitions, 914 flow [2023-11-21 22:17:01,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:01,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2023-11-21 22:17:01,285 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7890528905289053 [2023-11-21 22:17:01,286 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1283 transitions. [2023-11-21 22:17:01,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1283 transitions. [2023-11-21 22:17:01,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:01,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1283 transitions. [2023-11-21 22:17:01,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,296 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,297 INFO L175 Difference]: Start difference. First operand has 390 places, 397 transitions, 815 flow. Second operand 3 states and 1283 transitions. [2023-11-21 22:17:01,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 409 transitions, 914 flow [2023-11-21 22:17:01,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 409 transitions, 910 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:17:01,308 INFO L231 Difference]: Finished difference. Result has 390 places, 397 transitions, 819 flow [2023-11-21 22:17:01,309 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=819, PETRI_PLACES=390, PETRI_TRANSITIONS=397} [2023-11-21 22:17:01,310 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -110 predicate places. [2023-11-21 22:17:01,310 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 397 transitions, 819 flow [2023-11-21 22:17:01,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,311 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:01,311 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] [2023-11-21 22:17:01,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 22:17:01,312 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:01,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:01,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1239277176, now seen corresponding path program 1 times [2023-11-21 22:17:01,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:01,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527983926] [2023-11-21 22:17:01,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:01,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:01,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:01,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527983926] [2023-11-21 22:17:01,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527983926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:01,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:01,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:01,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827792038] [2023-11-21 22:17:01,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:01,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:01,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:01,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:01,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:01,380 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-21 22:17:01,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 397 transitions, 819 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:01,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-21 22:17:01,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:01,585 INFO L124 PetriNetUnfolderBase]: 84/638 cut-off events. [2023-11-21 22:17:01,585 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2023-11-21 22:17:01,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 783 conditions, 638 events. 84/638 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1451 event pairs, 7 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 717. Up to 97 conditions per place. [2023-11-21 22:17:01,595 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 20 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2023-11-21 22:17:01,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 396 transitions, 861 flow [2023-11-21 22:17:01,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:01,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-21 22:17:01,600 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-21 22:17:01,601 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-21 22:17:01,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-21 22:17:01,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:01,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-21 22:17:01,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,610 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,611 INFO L175 Difference]: Start difference. First operand has 390 places, 397 transitions, 819 flow. Second operand 3 states and 1265 transitions. [2023-11-21 22:17:01,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 396 transitions, 861 flow [2023-11-21 22:17:01,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 396 transitions, 859 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:17:01,621 INFO L231 Difference]: Finished difference. Result has 390 places, 396 transitions, 819 flow [2023-11-21 22:17:01,622 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=815, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=819, PETRI_PLACES=390, PETRI_TRANSITIONS=396} [2023-11-21 22:17:01,623 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -110 predicate places. [2023-11-21 22:17:01,623 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 396 transitions, 819 flow [2023-11-21 22:17:01,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,624 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:01,625 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:01,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 22:17:01,625 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:01,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:01,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1435842669, now seen corresponding path program 1 times [2023-11-21 22:17:01,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:01,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439489887] [2023-11-21 22:17:01,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:01,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:01,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:01,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:01,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439489887] [2023-11-21 22:17:01,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439489887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:01,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:01,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:01,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288529085] [2023-11-21 22:17:01,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:01,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:01,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:01,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:01,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:01,693 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-21 22:17:01,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 396 transitions, 819 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:01,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-21 22:17:01,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:01,922 INFO L124 PetriNetUnfolderBase]: 84/637 cut-off events. [2023-11-21 22:17:01,922 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2023-11-21 22:17:01,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 637 events. 84/637 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1450 event pairs, 7 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 713. Up to 98 conditions per place. [2023-11-21 22:17:01,930 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 21 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2023-11-21 22:17:01,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 395 transitions, 863 flow [2023-11-21 22:17:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:01,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:01,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2023-11-21 22:17:01,936 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7767527675276753 [2023-11-21 22:17:01,936 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1263 transitions. [2023-11-21 22:17:01,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1263 transitions. [2023-11-21 22:17:01,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:01,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1263 transitions. [2023-11-21 22:17:01,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,947 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,948 INFO L175 Difference]: Start difference. First operand has 390 places, 396 transitions, 819 flow. Second operand 3 states and 1263 transitions. [2023-11-21 22:17:01,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 395 transitions, 863 flow [2023-11-21 22:17:01,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 395 transitions, 859 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:17:01,958 INFO L231 Difference]: Finished difference. Result has 389 places, 395 transitions, 817 flow [2023-11-21 22:17:01,959 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=813, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=817, PETRI_PLACES=389, PETRI_TRANSITIONS=395} [2023-11-21 22:17:01,960 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -111 predicate places. [2023-11-21 22:17:01,960 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 395 transitions, 817 flow [2023-11-21 22:17:01,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:01,961 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:01,962 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:01,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 22:17:01,962 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:01,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:01,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1715905121, now seen corresponding path program 1 times [2023-11-21 22:17:01,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:01,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584232719] [2023-11-21 22:17:01,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:01,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:02,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:02,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:02,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584232719] [2023-11-21 22:17:02,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584232719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:02,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:02,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:02,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061642183] [2023-11-21 22:17:02,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:02,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:02,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:02,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:02,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:02,028 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-21 22:17:02,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 395 transitions, 817 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:02,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-21 22:17:02,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:02,220 INFO L124 PetriNetUnfolderBase]: 84/636 cut-off events. [2023-11-21 22:17:02,220 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2023-11-21 22:17:02,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 775 conditions, 636 events. 84/636 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1447 event pairs, 7 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 710. Up to 95 conditions per place. [2023-11-21 22:17:02,231 INFO L140 encePairwiseOnDemand]: 540/542 looper letters, 19 selfloop transitions, 1 changer transitions 0/394 dead transitions. [2023-11-21 22:17:02,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 394 transitions, 855 flow [2023-11-21 22:17:02,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:02,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:02,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2023-11-21 22:17:02,237 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7822878228782287 [2023-11-21 22:17:02,237 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2023-11-21 22:17:02,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2023-11-21 22:17:02,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:02,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2023-11-21 22:17:02,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,248 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,248 INFO L175 Difference]: Start difference. First operand has 389 places, 395 transitions, 817 flow. Second operand 3 states and 1272 transitions. [2023-11-21 22:17:02,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 394 transitions, 855 flow [2023-11-21 22:17:02,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 394 transitions, 851 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:17:02,260 INFO L231 Difference]: Finished difference. Result has 388 places, 394 transitions, 813 flow [2023-11-21 22:17:02,261 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=811, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=813, PETRI_PLACES=388, PETRI_TRANSITIONS=394} [2023-11-21 22:17:02,262 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -112 predicate places. [2023-11-21 22:17:02,262 INFO L495 AbstractCegarLoop]: Abstraction has has 388 places, 394 transitions, 813 flow [2023-11-21 22:17:02,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,264 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:02,264 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:02,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 22:17:02,264 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:02,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:02,265 INFO L85 PathProgramCache]: Analyzing trace with hash -424624023, now seen corresponding path program 1 times [2023-11-21 22:17:02,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:02,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555808621] [2023-11-21 22:17:02,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:02,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:02,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:02,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:02,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555808621] [2023-11-21 22:17:02,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555808621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:02,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:02,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:02,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288050355] [2023-11-21 22:17:02,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:02,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:02,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:02,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:02,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:02,355 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-21 22:17:02,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 394 transitions, 813 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:02,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-21 22:17:02,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:02,565 INFO L124 PetriNetUnfolderBase]: 84/635 cut-off events. [2023-11-21 22:17:02,565 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2023-11-21 22:17:02,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 775 conditions, 635 events. 84/635 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1444 event pairs, 7 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 709. Up to 97 conditions per place. [2023-11-21 22:17:02,574 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 20 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2023-11-21 22:17:02,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 393 transitions, 855 flow [2023-11-21 22:17:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:02,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-21 22:17:02,579 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-21 22:17:02,579 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-21 22:17:02,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-21 22:17:02,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:02,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-21 22:17:02,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,588 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,588 INFO L175 Difference]: Start difference. First operand has 388 places, 394 transitions, 813 flow. Second operand 3 states and 1265 transitions. [2023-11-21 22:17:02,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 393 transitions, 855 flow [2023-11-21 22:17:02,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 393 transitions, 854 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:17:02,639 INFO L231 Difference]: Finished difference. Result has 388 places, 393 transitions, 814 flow [2023-11-21 22:17:02,641 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=388, PETRI_TRANSITIONS=393} [2023-11-21 22:17:02,642 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -112 predicate places. [2023-11-21 22:17:02,642 INFO L495 AbstractCegarLoop]: Abstraction has has 388 places, 393 transitions, 814 flow [2023-11-21 22:17:02,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,643 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:02,643 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:02,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-21 22:17:02,644 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:02,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:02,644 INFO L85 PathProgramCache]: Analyzing trace with hash -395405342, now seen corresponding path program 1 times [2023-11-21 22:17:02,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:02,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654603356] [2023-11-21 22:17:02,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:02,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:02,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:02,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654603356] [2023-11-21 22:17:02,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654603356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:02,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:02,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:02,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164578241] [2023-11-21 22:17:02,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:02,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:02,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:02,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:02,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:02,747 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-21 22:17:02,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 393 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:02,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-21 22:17:02,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:02,948 INFO L124 PetriNetUnfolderBase]: 84/634 cut-off events. [2023-11-21 22:17:02,949 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2023-11-21 22:17:02,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 777 conditions, 634 events. 84/634 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1445 event pairs, 7 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 711. Up to 98 conditions per place. [2023-11-21 22:17:02,957 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 21 selfloop transitions, 2 changer transitions 0/392 dead transitions. [2023-11-21 22:17:02,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 392 transitions, 858 flow [2023-11-21 22:17:02,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:02,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2023-11-21 22:17:02,963 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7767527675276753 [2023-11-21 22:17:02,963 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1263 transitions. [2023-11-21 22:17:02,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1263 transitions. [2023-11-21 22:17:02,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:02,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1263 transitions. [2023-11-21 22:17:02,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,972 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,972 INFO L175 Difference]: Start difference. First operand has 388 places, 393 transitions, 814 flow. Second operand 3 states and 1263 transitions. [2023-11-21 22:17:02,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 392 transitions, 858 flow [2023-11-21 22:17:02,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 392 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:17:02,982 INFO L231 Difference]: Finished difference. Result has 387 places, 392 transitions, 812 flow [2023-11-21 22:17:02,983 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=387, PETRI_TRANSITIONS=392} [2023-11-21 22:17:02,984 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -113 predicate places. [2023-11-21 22:17:02,985 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 392 transitions, 812 flow [2023-11-21 22:17:02,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:02,986 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:02,986 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:02,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-21 22:17:02,986 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:02,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:02,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1656072921, now seen corresponding path program 1 times [2023-11-21 22:17:02,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:02,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606251998] [2023-11-21 22:17:02,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:02,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:03,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:03,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:03,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606251998] [2023-11-21 22:17:03,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606251998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:03,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:03,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:03,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020669611] [2023-11-21 22:17:03,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:03,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:03,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:03,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:03,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:03,077 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-21 22:17:03,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 392 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:03,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:03,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-21 22:17:03,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:03,329 INFO L124 PetriNetUnfolderBase]: 154/893 cut-off events. [2023-11-21 22:17:03,330 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2023-11-21 22:17:03,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1141 conditions, 893 events. 154/893 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3000 event pairs, 11 based on Foata normal form. 0/778 useless extension candidates. Maximal degree in co-relation 1076. Up to 94 conditions per place. [2023-11-21 22:17:03,353 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 33 selfloop transitions, 2 changer transitions 0/406 dead transitions. [2023-11-21 22:17:03,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 406 transitions, 926 flow [2023-11-21 22:17:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:03,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1284 transitions. [2023-11-21 22:17:03,358 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7896678966789668 [2023-11-21 22:17:03,358 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1284 transitions. [2023-11-21 22:17:03,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1284 transitions. [2023-11-21 22:17:03,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:03,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1284 transitions. [2023-11-21 22:17:03,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:03,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:03,368 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:03,369 INFO L175 Difference]: Start difference. First operand has 387 places, 392 transitions, 812 flow. Second operand 3 states and 1284 transitions. [2023-11-21 22:17:03,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 406 transitions, 926 flow [2023-11-21 22:17:03,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 406 transitions, 922 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:17:03,379 INFO L231 Difference]: Finished difference. Result has 387 places, 392 transitions, 816 flow [2023-11-21 22:17:03,379 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=387, PETRI_TRANSITIONS=392} [2023-11-21 22:17:03,380 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -113 predicate places. [2023-11-21 22:17:03,380 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 392 transitions, 816 flow [2023-11-21 22:17:03,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:03,381 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:03,381 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:03,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-21 22:17:03,382 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:03,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:03,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1818267745, now seen corresponding path program 1 times [2023-11-21 22:17:03,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:03,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727070710] [2023-11-21 22:17:03,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:03,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:03,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:03,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:03,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727070710] [2023-11-21 22:17:03,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727070710] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:03,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:03,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:03,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896796650] [2023-11-21 22:17:03,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:03,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:03,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:03,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:03,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:03,480 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-21 22:17:03,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 392 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:03,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:03,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-21 22:17:03,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:03,731 INFO L124 PetriNetUnfolderBase]: 154/910 cut-off events. [2023-11-21 22:17:03,731 INFO L125 PetriNetUnfolderBase]: For 97/97 co-relation queries the response was YES. [2023-11-21 22:17:03,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1190 conditions, 910 events. 154/910 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3139 event pairs, 22 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 1123. Up to 179 conditions per place. [2023-11-21 22:17:03,744 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 21 selfloop transitions, 2 changer transitions 0/391 dead transitions. [2023-11-21 22:17:03,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 391 transitions, 860 flow [2023-11-21 22:17:03,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:03,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:03,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-21 22:17:03,749 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-21 22:17:03,749 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-21 22:17:03,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-21 22:17:03,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:03,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-21 22:17:03,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:03,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:03,758 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:03,758 INFO L175 Difference]: Start difference. First operand has 387 places, 392 transitions, 816 flow. Second operand 3 states and 1265 transitions. [2023-11-21 22:17:03,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 391 transitions, 860 flow [2023-11-21 22:17:03,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 391 transitions, 858 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:17:03,768 INFO L231 Difference]: Finished difference. Result has 387 places, 391 transitions, 816 flow [2023-11-21 22:17:03,769 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=387, PETRI_TRANSITIONS=391} [2023-11-21 22:17:03,770 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -113 predicate places. [2023-11-21 22:17:03,770 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 391 transitions, 816 flow [2023-11-21 22:17:03,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:03,771 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:03,771 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:03,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-21 22:17:03,771 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:03,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:03,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1099681960, now seen corresponding path program 1 times [2023-11-21 22:17:03,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:03,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456464559] [2023-11-21 22:17:03,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:03,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:03,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:03,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:03,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456464559] [2023-11-21 22:17:03,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456464559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:03,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:03,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:03,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266090374] [2023-11-21 22:17:03,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:03,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:03,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:03,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:03,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:03,850 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-21 22:17:03,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 391 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:03,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:03,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-21 22:17:03,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:04,118 INFO L124 PetriNetUnfolderBase]: 154/909 cut-off events. [2023-11-21 22:17:04,118 INFO L125 PetriNetUnfolderBase]: For 96/96 co-relation queries the response was YES. [2023-11-21 22:17:04,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1182 conditions, 909 events. 154/909 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3136 event pairs, 22 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 1115. Up to 180 conditions per place. [2023-11-21 22:17:04,130 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 22 selfloop transitions, 2 changer transitions 0/390 dead transitions. [2023-11-21 22:17:04,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 390 transitions, 862 flow [2023-11-21 22:17:04,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:04,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:04,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2023-11-21 22:17:04,134 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7767527675276753 [2023-11-21 22:17:04,135 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1263 transitions. [2023-11-21 22:17:04,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1263 transitions. [2023-11-21 22:17:04,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:04,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1263 transitions. [2023-11-21 22:17:04,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,144 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,144 INFO L175 Difference]: Start difference. First operand has 387 places, 391 transitions, 816 flow. Second operand 3 states and 1263 transitions. [2023-11-21 22:17:04,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 390 transitions, 862 flow [2023-11-21 22:17:04,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 390 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:17:04,154 INFO L231 Difference]: Finished difference. Result has 386 places, 390 transitions, 814 flow [2023-11-21 22:17:04,155 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=386, PETRI_TRANSITIONS=390} [2023-11-21 22:17:04,155 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -114 predicate places. [2023-11-21 22:17:04,155 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 390 transitions, 814 flow [2023-11-21 22:17:04,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,156 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:04,156 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:04,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-21 22:17:04,157 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:04,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:04,157 INFO L85 PathProgramCache]: Analyzing trace with hash 77630954, now seen corresponding path program 1 times [2023-11-21 22:17:04,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:04,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363487254] [2023-11-21 22:17:04,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:04,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:04,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:04,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363487254] [2023-11-21 22:17:04,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363487254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:04,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:04,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:04,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728890099] [2023-11-21 22:17:04,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:04,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:04,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:04,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:04,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:04,240 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-21 22:17:04,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 390 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:04,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-21 22:17:04,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:04,476 INFO L124 PetriNetUnfolderBase]: 154/908 cut-off events. [2023-11-21 22:17:04,477 INFO L125 PetriNetUnfolderBase]: For 97/97 co-relation queries the response was YES. [2023-11-21 22:17:04,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1178 conditions, 908 events. 154/908 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3156 event pairs, 22 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 1112. Up to 177 conditions per place. [2023-11-21 22:17:04,490 INFO L140 encePairwiseOnDemand]: 540/542 looper letters, 20 selfloop transitions, 1 changer transitions 0/389 dead transitions. [2023-11-21 22:17:04,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 389 transitions, 854 flow [2023-11-21 22:17:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:04,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:04,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2023-11-21 22:17:04,495 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7822878228782287 [2023-11-21 22:17:04,495 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2023-11-21 22:17:04,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2023-11-21 22:17:04,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:04,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2023-11-21 22:17:04,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,504 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,504 INFO L175 Difference]: Start difference. First operand has 386 places, 390 transitions, 814 flow. Second operand 3 states and 1272 transitions. [2023-11-21 22:17:04,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 389 transitions, 854 flow [2023-11-21 22:17:04,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 389 transitions, 850 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:17:04,514 INFO L231 Difference]: Finished difference. Result has 385 places, 389 transitions, 810 flow [2023-11-21 22:17:04,515 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=385, PETRI_TRANSITIONS=389} [2023-11-21 22:17:04,516 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -115 predicate places. [2023-11-21 22:17:04,516 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 389 transitions, 810 flow [2023-11-21 22:17:04,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,517 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:04,517 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:04,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-21 22:17:04,517 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:04,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:04,518 INFO L85 PathProgramCache]: Analyzing trace with hash 446654491, now seen corresponding path program 1 times [2023-11-21 22:17:04,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:04,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803422015] [2023-11-21 22:17:04,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:04,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:04,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:04,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:04,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803422015] [2023-11-21 22:17:04,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803422015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:04,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:04,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:04,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562869430] [2023-11-21 22:17:04,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:04,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:04,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:04,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:04,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:04,607 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-21 22:17:04,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 389 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:04,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-21 22:17:04,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:04,873 INFO L124 PetriNetUnfolderBase]: 154/907 cut-off events. [2023-11-21 22:17:04,873 INFO L125 PetriNetUnfolderBase]: For 96/96 co-relation queries the response was YES. [2023-11-21 22:17:04,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1178 conditions, 907 events. 154/907 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3151 event pairs, 22 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 1111. Up to 179 conditions per place. [2023-11-21 22:17:04,885 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 21 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2023-11-21 22:17:04,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 388 transitions, 854 flow [2023-11-21 22:17:04,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:04,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-21 22:17:04,889 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-21 22:17:04,890 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-21 22:17:04,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-21 22:17:04,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:04,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-21 22:17:04,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,899 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,899 INFO L175 Difference]: Start difference. First operand has 385 places, 389 transitions, 810 flow. Second operand 3 states and 1265 transitions. [2023-11-21 22:17:04,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 388 transitions, 854 flow [2023-11-21 22:17:04,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 388 transitions, 853 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:17:04,909 INFO L231 Difference]: Finished difference. Result has 385 places, 388 transitions, 811 flow [2023-11-21 22:17:04,910 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=807, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=811, PETRI_PLACES=385, PETRI_TRANSITIONS=388} [2023-11-21 22:17:04,910 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -115 predicate places. [2023-11-21 22:17:04,910 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 388 transitions, 811 flow [2023-11-21 22:17:04,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:04,911 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:04,911 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:04,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-21 22:17:04,912 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:04,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:04,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1385131391, now seen corresponding path program 1 times [2023-11-21 22:17:04,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:04,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102381775] [2023-11-21 22:17:04,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:04,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:05,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:05,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:05,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102381775] [2023-11-21 22:17:05,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102381775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:05,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:05,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:05,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092115816] [2023-11-21 22:17:05,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:05,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:05,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:05,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:05,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:05,013 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-21 22:17:05,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 388 transitions, 811 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:05,015 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:05,015 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-21 22:17:05,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:05,260 INFO L124 PetriNetUnfolderBase]: 154/906 cut-off events. [2023-11-21 22:17:05,260 INFO L125 PetriNetUnfolderBase]: For 96/96 co-relation queries the response was YES. [2023-11-21 22:17:05,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1179 conditions, 906 events. 154/906 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3126 event pairs, 22 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 1112. Up to 179 conditions per place. [2023-11-21 22:17:05,274 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 21 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2023-11-21 22:17:05,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 387 transitions, 855 flow [2023-11-21 22:17:05,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:05,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:05,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-21 22:17:05,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-21 22:17:05,280 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-21 22:17:05,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-21 22:17:05,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:05,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-21 22:17:05,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:05,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:05,290 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:05,290 INFO L175 Difference]: Start difference. First operand has 385 places, 388 transitions, 811 flow. Second operand 3 states and 1265 transitions. [2023-11-21 22:17:05,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 387 transitions, 855 flow [2023-11-21 22:17:05,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 387 transitions, 851 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:17:05,300 INFO L231 Difference]: Finished difference. Result has 384 places, 387 transitions, 809 flow [2023-11-21 22:17:05,301 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=805, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=809, PETRI_PLACES=384, PETRI_TRANSITIONS=387} [2023-11-21 22:17:05,301 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -116 predicate places. [2023-11-21 22:17:05,301 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 387 transitions, 809 flow [2023-11-21 22:17:05,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:05,302 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:05,302 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:05,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-21 22:17:05,303 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:05,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:05,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2077842257, now seen corresponding path program 1 times [2023-11-21 22:17:05,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:05,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574496290] [2023-11-21 22:17:05,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:05,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:05,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:05,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:05,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574496290] [2023-11-21 22:17:05,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574496290] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:05,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:05,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:05,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566484245] [2023-11-21 22:17:05,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:05,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:05,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:05,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:05,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:05,397 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-21 22:17:05,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 387 transitions, 809 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:05,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:05,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-21 22:17:05,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:05,729 INFO L124 PetriNetUnfolderBase]: 154/905 cut-off events. [2023-11-21 22:17:05,729 INFO L125 PetriNetUnfolderBase]: For 96/96 co-relation queries the response was YES. [2023-11-21 22:17:05,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1178 conditions, 905 events. 154/905 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3122 event pairs, 22 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 1111. Up to 179 conditions per place. [2023-11-21 22:17:05,744 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 21 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2023-11-21 22:17:05,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 386 transitions, 853 flow [2023-11-21 22:17:05,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:05,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:05,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-21 22:17:05,749 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-21 22:17:05,750 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-21 22:17:05,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-21 22:17:05,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:05,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-21 22:17:05,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:05,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:05,761 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:05,761 INFO L175 Difference]: Start difference. First operand has 384 places, 387 transitions, 809 flow. Second operand 3 states and 1265 transitions. [2023-11-21 22:17:05,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 386 transitions, 853 flow [2023-11-21 22:17:05,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 386 transitions, 849 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:17:05,773 INFO L231 Difference]: Finished difference. Result has 383 places, 386 transitions, 807 flow [2023-11-21 22:17:05,775 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=807, PETRI_PLACES=383, PETRI_TRANSITIONS=386} [2023-11-21 22:17:05,776 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -117 predicate places. [2023-11-21 22:17:05,776 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 386 transitions, 807 flow [2023-11-21 22:17:05,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:05,777 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:05,777 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:05,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-21 22:17:05,778 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:05,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:05,778 INFO L85 PathProgramCache]: Analyzing trace with hash -193563679, now seen corresponding path program 1 times [2023-11-21 22:17:05,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:05,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839492510] [2023-11-21 22:17:05,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:05,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:05,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:05,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839492510] [2023-11-21 22:17:05,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839492510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:05,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:05,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:05,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056574241] [2023-11-21 22:17:05,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:05,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:05,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:05,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:05,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:05,921 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 542 [2023-11-21 22:17:05,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 386 transitions, 807 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:05,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:05,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 542 [2023-11-21 22:17:05,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:06,548 INFO L124 PetriNetUnfolderBase]: 578/1739 cut-off events. [2023-11-21 22:17:06,548 INFO L125 PetriNetUnfolderBase]: For 304/317 co-relation queries the response was YES. [2023-11-21 22:17:06,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2805 conditions, 1739 events. 578/1739 cut-off events. For 304/317 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 8433 event pairs, 22 based on Foata normal form. 3/1548 useless extension candidates. Maximal degree in co-relation 2739. Up to 566 conditions per place. [2023-11-21 22:17:06,577 INFO L140 encePairwiseOnDemand]: 533/542 looper letters, 31 selfloop transitions, 7 changer transitions 0/394 dead transitions. [2023-11-21 22:17:06,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 394 transitions, 912 flow [2023-11-21 22:17:06,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:06,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:06,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1266 transitions. [2023-11-21 22:17:06,582 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7785977859778598 [2023-11-21 22:17:06,582 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1266 transitions. [2023-11-21 22:17:06,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1266 transitions. [2023-11-21 22:17:06,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:06,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1266 transitions. [2023-11-21 22:17:06,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:06,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:06,596 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:06,596 INFO L175 Difference]: Start difference. First operand has 383 places, 386 transitions, 807 flow. Second operand 3 states and 1266 transitions. [2023-11-21 22:17:06,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 394 transitions, 912 flow [2023-11-21 22:17:06,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 394 transitions, 908 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:17:06,606 INFO L231 Difference]: Finished difference. Result has 380 places, 383 transitions, 820 flow [2023-11-21 22:17:06,607 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=380, PETRI_TRANSITIONS=383} [2023-11-21 22:17:06,608 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -120 predicate places. [2023-11-21 22:17:06,608 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 383 transitions, 820 flow [2023-11-21 22:17:06,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:06,609 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:06,609 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:06,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-21 22:17:06,609 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:06,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:06,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1866622381, now seen corresponding path program 1 times [2023-11-21 22:17:06,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:06,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896281298] [2023-11-21 22:17:06,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:06,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:06,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:06,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:06,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896281298] [2023-11-21 22:17:06,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896281298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:06,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:06,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:06,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687454311] [2023-11-21 22:17:06,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:06,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:06,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:06,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:06,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:06,708 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 542 [2023-11-21 22:17:06,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 383 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:06,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:06,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 542 [2023-11-21 22:17:06,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:07,443 INFO L124 PetriNetUnfolderBase]: 722/2223 cut-off events. [2023-11-21 22:17:07,443 INFO L125 PetriNetUnfolderBase]: For 1440/1474 co-relation queries the response was YES. [2023-11-21 22:17:07,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3731 conditions, 2223 events. 722/2223 cut-off events. For 1440/1474 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 13104 event pairs, 34 based on Foata normal form. 10/1944 useless extension candidates. Maximal degree in co-relation 3665. Up to 668 conditions per place. [2023-11-21 22:17:07,480 INFO L140 encePairwiseOnDemand]: 537/542 looper letters, 32 selfloop transitions, 4 changer transitions 0/395 dead transitions. [2023-11-21 22:17:07,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 395 transitions, 950 flow [2023-11-21 22:17:07,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:07,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:07,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1279 transitions. [2023-11-21 22:17:07,485 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7865928659286593 [2023-11-21 22:17:07,485 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1279 transitions. [2023-11-21 22:17:07,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1279 transitions. [2023-11-21 22:17:07,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:07,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1279 transitions. [2023-11-21 22:17:07,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:07,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:07,494 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:07,494 INFO L175 Difference]: Start difference. First operand has 380 places, 383 transitions, 820 flow. Second operand 3 states and 1279 transitions. [2023-11-21 22:17:07,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 395 transitions, 950 flow [2023-11-21 22:17:07,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 395 transitions, 937 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:17:07,506 INFO L231 Difference]: Finished difference. Result has 380 places, 382 transitions, 825 flow [2023-11-21 22:17:07,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=825, PETRI_PLACES=380, PETRI_TRANSITIONS=382} [2023-11-21 22:17:07,507 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -120 predicate places. [2023-11-21 22:17:07,508 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 382 transitions, 825 flow [2023-11-21 22:17:07,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:07,508 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:07,509 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:07,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-21 22:17:07,509 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:07,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:07,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1323020297, now seen corresponding path program 1 times [2023-11-21 22:17:07,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:07,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773714716] [2023-11-21 22:17:07,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:07,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:07,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:07,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:07,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773714716] [2023-11-21 22:17:07,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773714716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:07,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:07,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:07,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995456442] [2023-11-21 22:17:07,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:07,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:07,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:07,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:07,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:07,607 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 542 [2023-11-21 22:17:07,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 382 transitions, 825 flow. Second operand has 3 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:07,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:07,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 542 [2023-11-21 22:17:07,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:08,435 INFO L124 PetriNetUnfolderBase]: 794/2833 cut-off events. [2023-11-21 22:17:08,435 INFO L125 PetriNetUnfolderBase]: For 1844/1892 co-relation queries the response was YES. [2023-11-21 22:17:08,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4708 conditions, 2833 events. 794/2833 cut-off events. For 1844/1892 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 20873 event pairs, 42 based on Foata normal form. 16/2428 useless extension candidates. Maximal degree in co-relation 4641. Up to 824 conditions per place. [2023-11-21 22:17:08,479 INFO L140 encePairwiseOnDemand]: 537/542 looper letters, 31 selfloop transitions, 4 changer transitions 0/393 dead transitions. [2023-11-21 22:17:08,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 393 transitions, 953 flow [2023-11-21 22:17:08,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:08,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:08,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1278 transitions. [2023-11-21 22:17:08,484 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7859778597785978 [2023-11-21 22:17:08,484 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1278 transitions. [2023-11-21 22:17:08,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1278 transitions. [2023-11-21 22:17:08,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:08,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1278 transitions. [2023-11-21 22:17:08,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:08,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:08,493 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:08,493 INFO L175 Difference]: Start difference. First operand has 380 places, 382 transitions, 825 flow. Second operand 3 states and 1278 transitions. [2023-11-21 22:17:08,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 393 transitions, 953 flow [2023-11-21 22:17:08,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 393 transitions, 946 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:17:08,504 INFO L231 Difference]: Finished difference. Result has 380 places, 381 transitions, 833 flow [2023-11-21 22:17:08,505 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=833, PETRI_PLACES=380, PETRI_TRANSITIONS=381} [2023-11-21 22:17:08,505 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -120 predicate places. [2023-11-21 22:17:08,505 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 381 transitions, 833 flow [2023-11-21 22:17:08,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:08,506 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:08,507 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:08,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-21 22:17:08,507 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:08,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:08,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1442222588, now seen corresponding path program 1 times [2023-11-21 22:17:08,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:08,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959919153] [2023-11-21 22:17:08,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:08,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:09,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:09,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:09,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959919153] [2023-11-21 22:17:09,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959919153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:09,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:09,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:17:09,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071227218] [2023-11-21 22:17:09,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:09,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:17:09,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:09,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:17:09,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:17:09,877 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 542 [2023-11-21 22:17:09,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 381 transitions, 833 flow. Second operand has 6 states, 6 states have (on average 401.6666666666667) internal successors, (2410), 6 states have internal predecessors, (2410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:09,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:09,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 542 [2023-11-21 22:17:09,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:10,842 INFO L124 PetriNetUnfolderBase]: 554/1913 cut-off events. [2023-11-21 22:17:10,842 INFO L125 PetriNetUnfolderBase]: For 1664/1664 co-relation queries the response was YES. [2023-11-21 22:17:10,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3503 conditions, 1913 events. 554/1913 cut-off events. For 1664/1664 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 9870 event pairs, 10 based on Foata normal form. 0/1724 useless extension candidates. Maximal degree in co-relation 3433. Up to 384 conditions per place. [2023-11-21 22:17:10,889 INFO L140 encePairwiseOnDemand]: 537/542 looper letters, 81 selfloop transitions, 4 changer transitions 0/428 dead transitions. [2023-11-21 22:17:10,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 428 transitions, 1269 flow [2023-11-21 22:17:10,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:17:10,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:17:10,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2466 transitions. [2023-11-21 22:17:10,897 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7583025830258303 [2023-11-21 22:17:10,898 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2466 transitions. [2023-11-21 22:17:10,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2466 transitions. [2023-11-21 22:17:10,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:10,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2466 transitions. [2023-11-21 22:17:10,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 411.0) internal successors, (2466), 6 states have internal predecessors, (2466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:10,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:10,914 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:10,915 INFO L175 Difference]: Start difference. First operand has 380 places, 381 transitions, 833 flow. Second operand 6 states and 2466 transitions. [2023-11-21 22:17:10,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 428 transitions, 1269 flow [2023-11-21 22:17:10,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 428 transitions, 1253 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:17:10,927 INFO L231 Difference]: Finished difference. Result has 383 places, 380 transitions, 835 flow [2023-11-21 22:17:10,929 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=835, PETRI_PLACES=383, PETRI_TRANSITIONS=380} [2023-11-21 22:17:10,929 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -117 predicate places. [2023-11-21 22:17:10,929 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 380 transitions, 835 flow [2023-11-21 22:17:10,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 401.6666666666667) internal successors, (2410), 6 states have internal predecessors, (2410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:10,931 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:10,931 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:10,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-21 22:17:10,931 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:10,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:10,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1206226792, now seen corresponding path program 1 times [2023-11-21 22:17:10,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:10,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4222468] [2023-11-21 22:17:10,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:10,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:11,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:11,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4222468] [2023-11-21 22:17:11,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4222468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:11,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:11,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:17:11,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143546148] [2023-11-21 22:17:11,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:11,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:17:11,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:11,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:17:11,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:17:12,078 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 542 [2023-11-21 22:17:12,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 380 transitions, 835 flow. Second operand has 6 states, 6 states have (on average 401.8333333333333) internal successors, (2411), 6 states have internal predecessors, (2411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:12,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:12,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 542 [2023-11-21 22:17:12,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:13,140 INFO L124 PetriNetUnfolderBase]: 556/1919 cut-off events. [2023-11-21 22:17:13,140 INFO L125 PetriNetUnfolderBase]: For 1168/1168 co-relation queries the response was YES. [2023-11-21 22:17:13,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3562 conditions, 1919 events. 556/1919 cut-off events. For 1168/1168 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 10284 event pairs, 26 based on Foata normal form. 0/1744 useless extension candidates. Maximal degree in co-relation 3491. Up to 320 conditions per place. [2023-11-21 22:17:13,183 INFO L140 encePairwiseOnDemand]: 537/542 looper letters, 57 selfloop transitions, 4 changer transitions 0/403 dead transitions. [2023-11-21 22:17:13,183 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 403 transitions, 1083 flow [2023-11-21 22:17:13,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:17:13,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:17:13,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2450 transitions. [2023-11-21 22:17:13,193 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7533825338253383 [2023-11-21 22:17:13,193 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2450 transitions. [2023-11-21 22:17:13,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2450 transitions. [2023-11-21 22:17:13,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:13,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2450 transitions. [2023-11-21 22:17:13,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 408.3333333333333) internal successors, (2450), 6 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:13,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:13,211 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:13,212 INFO L175 Difference]: Start difference. First operand has 383 places, 380 transitions, 835 flow. Second operand 6 states and 2450 transitions. [2023-11-21 22:17:13,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 403 transitions, 1083 flow [2023-11-21 22:17:13,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 403 transitions, 1076 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:17:13,277 INFO L231 Difference]: Finished difference. Result has 383 places, 379 transitions, 834 flow [2023-11-21 22:17:13,279 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=834, PETRI_PLACES=383, PETRI_TRANSITIONS=379} [2023-11-21 22:17:13,279 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -117 predicate places. [2023-11-21 22:17:13,280 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 379 transitions, 834 flow [2023-11-21 22:17:13,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 401.8333333333333) internal successors, (2411), 6 states have internal predecessors, (2411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:13,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:13,282 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:13,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-21 22:17:13,282 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:13,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:13,283 INFO L85 PathProgramCache]: Analyzing trace with hash -308015642, now seen corresponding path program 1 times [2023-11-21 22:17:13,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:13,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672518229] [2023-11-21 22:17:13,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:13,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:14,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:14,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672518229] [2023-11-21 22:17:14,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672518229] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:14,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:14,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:17:14,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823055802] [2023-11-21 22:17:14,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:14,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:17:14,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:14,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:17:14,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:17:14,605 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 542 [2023-11-21 22:17:14,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 379 transitions, 834 flow. Second operand has 6 states, 6 states have (on average 402.0) internal successors, (2412), 6 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:14,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:14,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 542 [2023-11-21 22:17:14,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:15,722 INFO L124 PetriNetUnfolderBase]: 560/1961 cut-off events. [2023-11-21 22:17:15,722 INFO L125 PetriNetUnfolderBase]: For 1140/1160 co-relation queries the response was YES. [2023-11-21 22:17:15,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3736 conditions, 1961 events. 560/1961 cut-off events. For 1140/1160 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 10724 event pairs, 42 based on Foata normal form. 16/1820 useless extension candidates. Maximal degree in co-relation 3665. Up to 450 conditions per place. [2023-11-21 22:17:15,756 INFO L140 encePairwiseOnDemand]: 537/542 looper letters, 45 selfloop transitions, 4 changer transitions 0/390 dead transitions. [2023-11-21 22:17:15,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 390 transitions, 994 flow [2023-11-21 22:17:15,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:17:15,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:17:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2442 transitions. [2023-11-21 22:17:15,766 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7509225092250923 [2023-11-21 22:17:15,766 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2442 transitions. [2023-11-21 22:17:15,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2442 transitions. [2023-11-21 22:17:15,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:15,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2442 transitions. [2023-11-21 22:17:15,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 407.0) internal successors, (2442), 6 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:15,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:15,784 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:15,784 INFO L175 Difference]: Start difference. First operand has 383 places, 379 transitions, 834 flow. Second operand 6 states and 2442 transitions. [2023-11-21 22:17:15,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 390 transitions, 994 flow [2023-11-21 22:17:15,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 390 transitions, 987 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:17:15,798 INFO L231 Difference]: Finished difference. Result has 383 places, 378 transitions, 833 flow [2023-11-21 22:17:15,799 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=833, PETRI_PLACES=383, PETRI_TRANSITIONS=378} [2023-11-21 22:17:15,799 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -117 predicate places. [2023-11-21 22:17:15,800 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 378 transitions, 833 flow [2023-11-21 22:17:15,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 402.0) internal successors, (2412), 6 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:15,801 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:17:15,802 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:15,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-21 22:17:15,802 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-21 22:17:15,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:17:15,803 INFO L85 PathProgramCache]: Analyzing trace with hash 685504974, now seen corresponding path program 1 times [2023-11-21 22:17:15,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:17:15,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574856666] [2023-11-21 22:17:15,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:17:15,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:17:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:17:15,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:17:15,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:17:15,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574856666] [2023-11-21 22:17:15,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574856666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:17:15,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:17:15,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:17:15,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289300486] [2023-11-21 22:17:15,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:17:15,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:17:15,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:17:15,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:17:15,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:17:15,928 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-21 22:17:15,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 378 transitions, 833 flow. Second operand has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:15,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:17:15,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-21 22:17:15,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:17:16,449 INFO L124 PetriNetUnfolderBase]: 240/1557 cut-off events. [2023-11-21 22:17:16,449 INFO L125 PetriNetUnfolderBase]: For 560/560 co-relation queries the response was YES. [2023-11-21 22:17:16,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2493 conditions, 1557 events. 240/1557 cut-off events. For 560/560 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 8747 event pairs, 42 based on Foata normal form. 64/1468 useless extension candidates. Maximal degree in co-relation 2423. Up to 345 conditions per place. [2023-11-21 22:17:16,471 INFO L140 encePairwiseOnDemand]: 540/542 looper letters, 0 selfloop transitions, 0 changer transitions 377/377 dead transitions. [2023-11-21 22:17:16,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 377 transitions, 871 flow [2023-11-21 22:17:16,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:17:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:17:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2023-11-21 22:17:16,481 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7816728167281672 [2023-11-21 22:17:16,481 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1271 transitions. [2023-11-21 22:17:16,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1271 transitions. [2023-11-21 22:17:16,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:17:16,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1271 transitions. [2023-11-21 22:17:16,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.6666666666667) internal successors, (1271), 3 states have internal predecessors, (1271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:16,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:16,490 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:16,490 INFO L175 Difference]: Start difference. First operand has 383 places, 378 transitions, 833 flow. Second operand 3 states and 1271 transitions. [2023-11-21 22:17:16,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 377 transitions, 871 flow [2023-11-21 22:17:16,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 377 transitions, 864 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:17:16,499 INFO L231 Difference]: Finished difference. Result has 380 places, 0 transitions, 0 flow [2023-11-21 22:17:16,500 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=380, PETRI_TRANSITIONS=0} [2023-11-21 22:17:16,502 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -120 predicate places. [2023-11-21 22:17:16,503 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 0 transitions, 0 flow [2023-11-21 22:17:16,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:17:16,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (230 of 231 remaining) [2023-11-21 22:17:16,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (229 of 231 remaining) [2023-11-21 22:17:16,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (228 of 231 remaining) [2023-11-21 22:17:16,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (227 of 231 remaining) [2023-11-21 22:17:16,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (226 of 231 remaining) [2023-11-21 22:17:16,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (225 of 231 remaining) [2023-11-21 22:17:16,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (224 of 231 remaining) [2023-11-21 22:17:16,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (223 of 231 remaining) [2023-11-21 22:17:16,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (222 of 231 remaining) [2023-11-21 22:17:16,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (221 of 231 remaining) [2023-11-21 22:17:16,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (220 of 231 remaining) [2023-11-21 22:17:16,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (219 of 231 remaining) [2023-11-21 22:17:16,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (218 of 231 remaining) [2023-11-21 22:17:16,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (217 of 231 remaining) [2023-11-21 22:17:16,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (216 of 231 remaining) [2023-11-21 22:17:16,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (215 of 231 remaining) [2023-11-21 22:17:16,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (214 of 231 remaining) [2023-11-21 22:17:16,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (213 of 231 remaining) [2023-11-21 22:17:16,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (212 of 231 remaining) [2023-11-21 22:17:16,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (211 of 231 remaining) [2023-11-21 22:17:16,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (210 of 231 remaining) [2023-11-21 22:17:16,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (209 of 231 remaining) [2023-11-21 22:17:16,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (208 of 231 remaining) [2023-11-21 22:17:16,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (207 of 231 remaining) [2023-11-21 22:17:16,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (206 of 231 remaining) [2023-11-21 22:17:16,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (205 of 231 remaining) [2023-11-21 22:17:16,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (204 of 231 remaining) [2023-11-21 22:17:16,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (203 of 231 remaining) [2023-11-21 22:17:16,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (202 of 231 remaining) [2023-11-21 22:17:16,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (201 of 231 remaining) [2023-11-21 22:17:16,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (200 of 231 remaining) [2023-11-21 22:17:16,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (199 of 231 remaining) [2023-11-21 22:17:16,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (198 of 231 remaining) [2023-11-21 22:17:16,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (197 of 231 remaining) [2023-11-21 22:17:16,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (196 of 231 remaining) [2023-11-21 22:17:16,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (195 of 231 remaining) [2023-11-21 22:17:16,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (194 of 231 remaining) [2023-11-21 22:17:16,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (193 of 231 remaining) [2023-11-21 22:17:16,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (192 of 231 remaining) [2023-11-21 22:17:16,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (191 of 231 remaining) [2023-11-21 22:17:16,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (190 of 231 remaining) [2023-11-21 22:17:16,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (189 of 231 remaining) [2023-11-21 22:17:16,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (188 of 231 remaining) [2023-11-21 22:17:16,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (187 of 231 remaining) [2023-11-21 22:17:16,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (186 of 231 remaining) [2023-11-21 22:17:16,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (185 of 231 remaining) [2023-11-21 22:17:16,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (184 of 231 remaining) [2023-11-21 22:17:16,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (183 of 231 remaining) [2023-11-21 22:17:16,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (182 of 231 remaining) [2023-11-21 22:17:16,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (181 of 231 remaining) [2023-11-21 22:17:16,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (180 of 231 remaining) [2023-11-21 22:17:16,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (179 of 231 remaining) [2023-11-21 22:17:16,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (178 of 231 remaining) [2023-11-21 22:17:16,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (177 of 231 remaining) [2023-11-21 22:17:16,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (176 of 231 remaining) [2023-11-21 22:17:16,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (175 of 231 remaining) [2023-11-21 22:17:16,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (174 of 231 remaining) [2023-11-21 22:17:16,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (173 of 231 remaining) [2023-11-21 22:17:16,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (172 of 231 remaining) [2023-11-21 22:17:16,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (171 of 231 remaining) [2023-11-21 22:17:16,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (170 of 231 remaining) [2023-11-21 22:17:16,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (169 of 231 remaining) [2023-11-21 22:17:16,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (168 of 231 remaining) [2023-11-21 22:17:16,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (167 of 231 remaining) [2023-11-21 22:17:16,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (166 of 231 remaining) [2023-11-21 22:17:16,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (165 of 231 remaining) [2023-11-21 22:17:16,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (164 of 231 remaining) [2023-11-21 22:17:16,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (163 of 231 remaining) [2023-11-21 22:17:16,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (162 of 231 remaining) [2023-11-21 22:17:16,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (161 of 231 remaining) [2023-11-21 22:17:16,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (160 of 231 remaining) [2023-11-21 22:17:16,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (159 of 231 remaining) [2023-11-21 22:17:16,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (158 of 231 remaining) [2023-11-21 22:17:16,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (157 of 231 remaining) [2023-11-21 22:17:16,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (156 of 231 remaining) [2023-11-21 22:17:16,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (155 of 231 remaining) [2023-11-21 22:17:16,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (154 of 231 remaining) [2023-11-21 22:17:16,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (153 of 231 remaining) [2023-11-21 22:17:16,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (152 of 231 remaining) [2023-11-21 22:17:16,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (151 of 231 remaining) [2023-11-21 22:17:16,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (150 of 231 remaining) [2023-11-21 22:17:16,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (149 of 231 remaining) [2023-11-21 22:17:16,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (148 of 231 remaining) [2023-11-21 22:17:16,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (147 of 231 remaining) [2023-11-21 22:17:16,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (146 of 231 remaining) [2023-11-21 22:17:16,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (145 of 231 remaining) [2023-11-21 22:17:16,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (144 of 231 remaining) [2023-11-21 22:17:16,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (143 of 231 remaining) [2023-11-21 22:17:16,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (142 of 231 remaining) [2023-11-21 22:17:16,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (141 of 231 remaining) [2023-11-21 22:17:16,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (140 of 231 remaining) [2023-11-21 22:17:16,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (139 of 231 remaining) [2023-11-21 22:17:16,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (138 of 231 remaining) [2023-11-21 22:17:16,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (137 of 231 remaining) [2023-11-21 22:17:16,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (136 of 231 remaining) [2023-11-21 22:17:16,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (135 of 231 remaining) [2023-11-21 22:17:16,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (134 of 231 remaining) [2023-11-21 22:17:16,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (133 of 231 remaining) [2023-11-21 22:17:16,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (132 of 231 remaining) [2023-11-21 22:17:16,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (131 of 231 remaining) [2023-11-21 22:17:16,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (130 of 231 remaining) [2023-11-21 22:17:16,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (129 of 231 remaining) [2023-11-21 22:17:16,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (128 of 231 remaining) [2023-11-21 22:17:16,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (127 of 231 remaining) [2023-11-21 22:17:16,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (126 of 231 remaining) [2023-11-21 22:17:16,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (125 of 231 remaining) [2023-11-21 22:17:16,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (124 of 231 remaining) [2023-11-21 22:17:16,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (123 of 231 remaining) [2023-11-21 22:17:16,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (122 of 231 remaining) [2023-11-21 22:17:16,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (121 of 231 remaining) [2023-11-21 22:17:16,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (120 of 231 remaining) [2023-11-21 22:17:16,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (119 of 231 remaining) [2023-11-21 22:17:16,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (118 of 231 remaining) [2023-11-21 22:17:16,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (117 of 231 remaining) [2023-11-21 22:17:16,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (116 of 231 remaining) [2023-11-21 22:17:16,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (115 of 231 remaining) [2023-11-21 22:17:16,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (114 of 231 remaining) [2023-11-21 22:17:16,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (113 of 231 remaining) [2023-11-21 22:17:16,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (112 of 231 remaining) [2023-11-21 22:17:16,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (111 of 231 remaining) [2023-11-21 22:17:16,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (110 of 231 remaining) [2023-11-21 22:17:16,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (109 of 231 remaining) [2023-11-21 22:17:16,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (108 of 231 remaining) [2023-11-21 22:17:16,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (107 of 231 remaining) [2023-11-21 22:17:16,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (106 of 231 remaining) [2023-11-21 22:17:16,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (105 of 231 remaining) [2023-11-21 22:17:16,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (104 of 231 remaining) [2023-11-21 22:17:16,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (103 of 231 remaining) [2023-11-21 22:17:16,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (102 of 231 remaining) [2023-11-21 22:17:16,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (101 of 231 remaining) [2023-11-21 22:17:16,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 231 remaining) [2023-11-21 22:17:16,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (99 of 231 remaining) [2023-11-21 22:17:16,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (98 of 231 remaining) [2023-11-21 22:17:16,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (97 of 231 remaining) [2023-11-21 22:17:16,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (96 of 231 remaining) [2023-11-21 22:17:16,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (95 of 231 remaining) [2023-11-21 22:17:16,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (94 of 231 remaining) [2023-11-21 22:17:16,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (93 of 231 remaining) [2023-11-21 22:17:16,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (92 of 231 remaining) [2023-11-21 22:17:16,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (91 of 231 remaining) [2023-11-21 22:17:16,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (90 of 231 remaining) [2023-11-21 22:17:16,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (89 of 231 remaining) [2023-11-21 22:17:16,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (88 of 231 remaining) [2023-11-21 22:17:16,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (87 of 231 remaining) [2023-11-21 22:17:16,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (86 of 231 remaining) [2023-11-21 22:17:16,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (85 of 231 remaining) [2023-11-21 22:17:16,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (84 of 231 remaining) [2023-11-21 22:17:16,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (83 of 231 remaining) [2023-11-21 22:17:16,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (82 of 231 remaining) [2023-11-21 22:17:16,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (81 of 231 remaining) [2023-11-21 22:17:16,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (80 of 231 remaining) [2023-11-21 22:17:16,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (79 of 231 remaining) [2023-11-21 22:17:16,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (78 of 231 remaining) [2023-11-21 22:17:16,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (77 of 231 remaining) [2023-11-21 22:17:16,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (76 of 231 remaining) [2023-11-21 22:17:16,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (75 of 231 remaining) [2023-11-21 22:17:16,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (74 of 231 remaining) [2023-11-21 22:17:16,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (73 of 231 remaining) [2023-11-21 22:17:16,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (72 of 231 remaining) [2023-11-21 22:17:16,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (71 of 231 remaining) [2023-11-21 22:17:16,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (70 of 231 remaining) [2023-11-21 22:17:16,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (69 of 231 remaining) [2023-11-21 22:17:16,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (68 of 231 remaining) [2023-11-21 22:17:16,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (67 of 231 remaining) [2023-11-21 22:17:16,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (66 of 231 remaining) [2023-11-21 22:17:16,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (65 of 231 remaining) [2023-11-21 22:17:16,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (64 of 231 remaining) [2023-11-21 22:17:16,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (63 of 231 remaining) [2023-11-21 22:17:16,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (62 of 231 remaining) [2023-11-21 22:17:16,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (61 of 231 remaining) [2023-11-21 22:17:16,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (60 of 231 remaining) [2023-11-21 22:17:16,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (59 of 231 remaining) [2023-11-21 22:17:16,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (58 of 231 remaining) [2023-11-21 22:17:16,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (57 of 231 remaining) [2023-11-21 22:17:16,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (56 of 231 remaining) [2023-11-21 22:17:16,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (55 of 231 remaining) [2023-11-21 22:17:16,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (54 of 231 remaining) [2023-11-21 22:17:16,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (53 of 231 remaining) [2023-11-21 22:17:16,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (52 of 231 remaining) [2023-11-21 22:17:16,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (51 of 231 remaining) [2023-11-21 22:17:16,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (50 of 231 remaining) [2023-11-21 22:17:16,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (49 of 231 remaining) [2023-11-21 22:17:16,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (48 of 231 remaining) [2023-11-21 22:17:16,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 231 remaining) [2023-11-21 22:17:16,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (46 of 231 remaining) [2023-11-21 22:17:16,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 231 remaining) [2023-11-21 22:17:16,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (44 of 231 remaining) [2023-11-21 22:17:16,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 231 remaining) [2023-11-21 22:17:16,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (42 of 231 remaining) [2023-11-21 22:17:16,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 231 remaining) [2023-11-21 22:17:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (40 of 231 remaining) [2023-11-21 22:17:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (39 of 231 remaining) [2023-11-21 22:17:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (38 of 231 remaining) [2023-11-21 22:17:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (37 of 231 remaining) [2023-11-21 22:17:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (36 of 231 remaining) [2023-11-21 22:17:16,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (35 of 231 remaining) [2023-11-21 22:17:16,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (34 of 231 remaining) [2023-11-21 22:17:16,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (33 of 231 remaining) [2023-11-21 22:17:16,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (32 of 231 remaining) [2023-11-21 22:17:16,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (31 of 231 remaining) [2023-11-21 22:17:16,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (30 of 231 remaining) [2023-11-21 22:17:16,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (29 of 231 remaining) [2023-11-21 22:17:16,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (28 of 231 remaining) [2023-11-21 22:17:16,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (27 of 231 remaining) [2023-11-21 22:17:16,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (26 of 231 remaining) [2023-11-21 22:17:16,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (25 of 231 remaining) [2023-11-21 22:17:16,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 231 remaining) [2023-11-21 22:17:16,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (23 of 231 remaining) [2023-11-21 22:17:16,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (22 of 231 remaining) [2023-11-21 22:17:16,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (21 of 231 remaining) [2023-11-21 22:17:16,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (20 of 231 remaining) [2023-11-21 22:17:16,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (19 of 231 remaining) [2023-11-21 22:17:16,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (18 of 231 remaining) [2023-11-21 22:17:16,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (17 of 231 remaining) [2023-11-21 22:17:16,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (16 of 231 remaining) [2023-11-21 22:17:16,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (15 of 231 remaining) [2023-11-21 22:17:16,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (14 of 231 remaining) [2023-11-21 22:17:16,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (13 of 231 remaining) [2023-11-21 22:17:16,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (12 of 231 remaining) [2023-11-21 22:17:16,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (11 of 231 remaining) [2023-11-21 22:17:16,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (10 of 231 remaining) [2023-11-21 22:17:16,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (9 of 231 remaining) [2023-11-21 22:17:16,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (8 of 231 remaining) [2023-11-21 22:17:16,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (7 of 231 remaining) [2023-11-21 22:17:16,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (6 of 231 remaining) [2023-11-21 22:17:16,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (5 of 231 remaining) [2023-11-21 22:17:16,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (4 of 231 remaining) [2023-11-21 22:17:16,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (3 of 231 remaining) [2023-11-21 22:17:16,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (2 of 231 remaining) [2023-11-21 22:17:16,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (1 of 231 remaining) [2023-11-21 22:17:16,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (0 of 231 remaining) [2023-11-21 22:17:16,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-21 22:17:16,551 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:17:16,564 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 22:17:16,564 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:17:16,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:17:16 BasicIcfg [2023-11-21 22:17:16,577 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:17:16,578 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:17:16,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:17:16,578 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:17:16,580 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:55" (3/4) ... [2023-11-21 22:17:16,582 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:17:16,586 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 22:17:16,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 22:17:16,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-21 22:17:16,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-21 22:17:16,613 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:17:16,614 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:17:16,615 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:17:16,778 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:17:16,781 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:17:16,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:17:16,782 INFO L158 Benchmark]: Toolchain (without parser) took 24864.15ms. Allocated memory was 172.0MB in the beginning and 836.8MB in the end (delta: 664.8MB). Free memory was 126.8MB in the beginning and 300.5MB in the end (delta: -173.7MB). Peak memory consumption was 491.7MB. Max. memory is 16.1GB. [2023-11-21 22:17:16,783 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:17:16,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.70ms. Allocated memory is still 172.0MB. Free memory was 126.8MB in the beginning and 111.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:17:16,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.19ms. Allocated memory is still 172.0MB. Free memory was 111.5MB in the beginning and 106.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:17:16,784 INFO L158 Benchmark]: Boogie Preprocessor took 95.59ms. Allocated memory is still 172.0MB. Free memory was 106.8MB in the beginning and 102.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:17:16,784 INFO L158 Benchmark]: RCFGBuilder took 3038.27ms. Allocated memory was 172.0MB in the beginning and 243.3MB in the end (delta: 71.3MB). Free memory was 102.2MB in the beginning and 144.6MB in the end (delta: -42.4MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2023-11-21 22:17:16,785 INFO L158 Benchmark]: TraceAbstraction took 20992.39ms. Allocated memory was 243.3MB in the beginning and 836.8MB in the end (delta: 593.5MB). Free memory was 143.6MB in the beginning and 308.9MB in the end (delta: -165.3MB). Peak memory consumption was 428.2MB. Max. memory is 16.1GB. [2023-11-21 22:17:16,786 INFO L158 Benchmark]: Witness Printer took 203.76ms. Allocated memory is still 836.8MB. Free memory was 308.9MB in the beginning and 300.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 22:17:16,794 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.70ms. Allocated memory is still 172.0MB. Free memory was 126.8MB in the beginning and 111.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.19ms. Allocated memory is still 172.0MB. Free memory was 111.5MB in the beginning and 106.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.59ms. Allocated memory is still 172.0MB. Free memory was 106.8MB in the beginning and 102.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3038.27ms. Allocated memory was 172.0MB in the beginning and 243.3MB in the end (delta: 71.3MB). Free memory was 102.2MB in the beginning and 144.6MB in the end (delta: -42.4MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * TraceAbstraction took 20992.39ms. Allocated memory was 243.3MB in the beginning and 836.8MB in the end (delta: 593.5MB). Free memory was 143.6MB in the beginning and 308.9MB in the end (delta: -165.3MB). Peak memory consumption was 428.2MB. Max. memory is 16.1GB. * Witness Printer took 203.76ms. Allocated memory is still 836.8MB. Free memory was 308.9MB in the beginning and 300.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 672 locations, 231 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 20.7s, OverallIterations: 29, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 861 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 415 mSDsluCounter, 150 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 256 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2163 IncrementalHoareTripleChecker+Invalid, 2419 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 256 mSolverCounterUnsat, 150 mSDtfsCounter, 2163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1050occurred in iteration=0, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 4354 NumberOfCodeBlocks, 4354 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 4325 ConstructedInterpolants, 0 QuantifiedInterpolants, 4733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 128 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:17:16,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351f4e65-2e2f-4db4-8925-bfe061c4d0cb/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE