./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a 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_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU --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 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:13:15,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:13:15,115 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:13:15,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:13:15,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:13:15,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:13:15,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:13:15,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:13:15,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:13:15,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:13:15,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:13:15,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:13:15,172 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:13:15,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:13:15,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:13:15,177 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:13:15,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:13:15,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:13:15,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:13:15,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:13:15,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:13:15,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:13:15,183 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:13:15,183 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:13:15,184 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:13:15,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:13:15,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:13:15,187 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:13:15,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:13:15,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:13:15,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:13:15,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:15,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:13:15,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:13:15,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:13:15,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:13:15,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:13:15,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:13:15,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:13:15,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:13:15,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:13:15,210 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_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b [2024-10-31 22:13:15,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:13:15,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:13:15,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:13:15,522 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:13:15,522 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:13:15,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c Unable to find full path for "g++" [2024-10-31 22:13:17,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:13:17,796 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:13:17,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2024-10-31 22:13:17,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/data/657dfa836/176990109d5742bea514eef2e55569c8/FLAGb7b83ed23 [2024-10-31 22:13:17,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/data/657dfa836/176990109d5742bea514eef2e55569c8 [2024-10-31 22:13:17,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:13:17,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:13:17,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:17,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:13:17,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:13:17,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c4a78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:17, skipping insertion in model container [2024-10-31 22:13:17,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:17" (1/1) ... [2024-10-31 22:13:17,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:13:18,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:18,114 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:13:18,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:18,171 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:13:18,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:18 WrapperNode [2024-10-31 22:13:18,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:18,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:18,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:13:18,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:13:18,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:18" (1/1) ... [2024-10-31 22:13:18,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:18" (1/1) ... [2024-10-31 22:13:18,241 INFO L138 Inliner]: procedures = 23, calls = 36, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 407 [2024-10-31 22:13:18,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:18,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:13:18,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:13:18,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:13:18,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:18" (1/1) ... [2024-10-31 22:13:18,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:18" (1/1) ... [2024-10-31 22:13:18,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:18" (1/1) ... [2024-10-31 22:13:18,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:18" (1/1) ... [2024-10-31 22:13:18,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:18" (1/1) ... [2024-10-31 22:13:18,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:18" (1/1) ... [2024-10-31 22:13:18,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:18" (1/1) ... [2024-10-31 22:13:18,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:18" (1/1) ... [2024-10-31 22:13:18,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:13:18,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:13:18,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:13:18,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:13:18,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:18" (1/1) ... [2024-10-31 22:13:18,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:18,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:18,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:18,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:13:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:13:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:13:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:13:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:13:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:13:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:13:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:13:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:13:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:13:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:13:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:13:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:13:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:13:18,400 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:13:18,531 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:13:18,533 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:13:19,489 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:13:19,493 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:13:19,954 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:13:19,954 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:13:19,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:19 BoogieIcfgContainer [2024-10-31 22:13:19,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:13:19,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:13:19,959 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:13:19,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:13:19,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:13:17" (1/3) ... [2024-10-31 22:13:19,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36675937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:19, skipping insertion in model container [2024-10-31 22:13:19,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:18" (2/3) ... [2024-10-31 22:13:19,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36675937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:19, skipping insertion in model container [2024-10-31 22:13:19,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:19" (3/3) ... [2024-10-31 22:13:19,967 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c [2024-10-31 22:13:19,988 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:13:19,989 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 67 error locations. [2024-10-31 22:13:19,990 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:13:20,113 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 22:13:20,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 364 places, 373 transitions, 760 flow [2024-10-31 22:13:20,365 INFO L124 PetriNetUnfolderBase]: 16/371 cut-off events. [2024-10-31 22:13:20,366 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:13:20,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 371 events. 16/371 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 617 event pairs, 0 based on Foata normal form. 0/288 useless extension candidates. Maximal degree in co-relation 292. Up to 2 conditions per place. [2024-10-31 22:13:20,373 INFO L82 GeneralOperation]: Start removeDead. Operand has 364 places, 373 transitions, 760 flow [2024-10-31 22:13:20,381 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 346 places, 354 transitions, 720 flow [2024-10-31 22:13:20,389 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:13:20,396 INFO L333 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, 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;@2355c468, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:13:20,397 INFO L334 AbstractCegarLoop]: Starting to check reachability of 117 error locations. [2024-10-31 22:13:20,402 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:13:20,402 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-10-31 22:13:20,402 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:13:20,403 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:20,404 INFO L204 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] [2024-10-31 22:13:20,405 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:20,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:20,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1273851596, now seen corresponding path program 1 times [2024-10-31 22:13:20,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:20,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227334035] [2024-10-31 22:13:20,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:20,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:20,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:20,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227334035] [2024-10-31 22:13:20,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227334035] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:20,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:20,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:20,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148486837] [2024-10-31 22:13:20,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:20,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:20,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:20,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:20,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:20,730 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-10-31 22:13:20,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 354 transitions, 720 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:20,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:20,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-10-31 22:13:20,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:20,941 INFO L124 PetriNetUnfolderBase]: 40/483 cut-off events. [2024-10-31 22:13:20,941 INFO L125 PetriNetUnfolderBase]: For 37/38 co-relation queries the response was YES. [2024-10-31 22:13:20,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 483 events. 40/483 cut-off events. For 37/38 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1356 event pairs, 13 based on Foata normal form. 22/407 useless extension candidates. Maximal degree in co-relation 278. Up to 61 conditions per place. [2024-10-31 22:13:20,949 INFO L140 encePairwiseOnDemand]: 329/373 looper letters, 15 selfloop transitions, 2 changer transitions 5/312 dead transitions. [2024-10-31 22:13:20,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 312 transitions, 670 flow [2024-10-31 22:13:20,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:20,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 992 transitions. [2024-10-31 22:13:20,974 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8865058087578195 [2024-10-31 22:13:20,978 INFO L175 Difference]: Start difference. First operand has 346 places, 354 transitions, 720 flow. Second operand 3 states and 992 transitions. [2024-10-31 22:13:20,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 312 transitions, 670 flow [2024-10-31 22:13:20,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 312 transitions, 662 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:13:20,994 INFO L231 Difference]: Finished difference. Result has 311 places, 307 transitions, 622 flow [2024-10-31 22:13:20,997 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=311, PETRI_TRANSITIONS=307} [2024-10-31 22:13:21,001 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -35 predicate places. [2024-10-31 22:13:21,001 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 307 transitions, 622 flow [2024-10-31 22:13:21,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:21,004 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:21,004 INFO L204 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] [2024-10-31 22:13:21,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:13:21,005 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:21,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:21,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1776044597, now seen corresponding path program 1 times [2024-10-31 22:13:21,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:21,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453700336] [2024-10-31 22:13:21,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:21,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:21,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:21,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:21,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453700336] [2024-10-31 22:13:21,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453700336] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:21,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:21,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:21,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979886070] [2024-10-31 22:13:21,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:21,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:21,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:21,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:21,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:21,133 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-10-31 22:13:21,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 307 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:21,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:21,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-10-31 22:13:21,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:21,261 INFO L124 PetriNetUnfolderBase]: 26/481 cut-off events. [2024-10-31 22:13:21,261 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:13:21,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 481 events. 26/481 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1271 event pairs, 10 based on Foata normal form. 0/404 useless extension candidates. Maximal degree in co-relation 503. Up to 44 conditions per place. [2024-10-31 22:13:21,265 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 15 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2024-10-31 22:13:21,265 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 306 transitions, 654 flow [2024-10-31 22:13:21,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:21,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:21,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2024-10-31 22:13:21,268 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8498659517426274 [2024-10-31 22:13:21,268 INFO L175 Difference]: Start difference. First operand has 311 places, 307 transitions, 622 flow. Second operand 3 states and 951 transitions. [2024-10-31 22:13:21,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 306 transitions, 654 flow [2024-10-31 22:13:21,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 306 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:21,275 INFO L231 Difference]: Finished difference. Result has 305 places, 306 transitions, 620 flow [2024-10-31 22:13:21,276 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=305, PETRI_TRANSITIONS=306} [2024-10-31 22:13:21,277 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -41 predicate places. [2024-10-31 22:13:21,277 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 306 transitions, 620 flow [2024-10-31 22:13:21,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:21,278 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:21,278 INFO L204 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] [2024-10-31 22:13:21,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:13:21,278 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:21,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:21,279 INFO L85 PathProgramCache]: Analyzing trace with hash 916069336, now seen corresponding path program 1 times [2024-10-31 22:13:21,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:21,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535798808] [2024-10-31 22:13:21,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:21,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:21,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:21,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:21,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535798808] [2024-10-31 22:13:21,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535798808] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:21,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:21,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:21,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77024122] [2024-10-31 22:13:21,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:21,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:21,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:21,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:21,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:21,380 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-10-31 22:13:21,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 306 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:21,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:21,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-10-31 22:13:21,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:21,511 INFO L124 PetriNetUnfolderBase]: 28/464 cut-off events. [2024-10-31 22:13:21,511 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-10-31 22:13:21,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 464 events. 28/464 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1169 event pairs, 7 based on Foata normal form. 0/382 useless extension candidates. Maximal degree in co-relation 474. Up to 41 conditions per place. [2024-10-31 22:13:21,515 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 13 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2024-10-31 22:13:21,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 305 transitions, 648 flow [2024-10-31 22:13:21,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:21,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:21,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-10-31 22:13:21,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8534405719392315 [2024-10-31 22:13:21,518 INFO L175 Difference]: Start difference. First operand has 305 places, 306 transitions, 620 flow. Second operand 3 states and 955 transitions. [2024-10-31 22:13:21,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 305 transitions, 648 flow [2024-10-31 22:13:21,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 305 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:21,524 INFO L231 Difference]: Finished difference. Result has 304 places, 305 transitions, 618 flow [2024-10-31 22:13:21,525 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=304, PETRI_TRANSITIONS=305} [2024-10-31 22:13:21,526 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -42 predicate places. [2024-10-31 22:13:21,526 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 305 transitions, 618 flow [2024-10-31 22:13:21,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:21,527 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:21,528 INFO L204 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] [2024-10-31 22:13:21,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:13:21,528 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:21,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:21,529 INFO L85 PathProgramCache]: Analyzing trace with hash -2144174226, now seen corresponding path program 1 times [2024-10-31 22:13:21,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:21,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745675736] [2024-10-31 22:13:21,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:21,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:21,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:21,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745675736] [2024-10-31 22:13:21,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745675736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:21,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:21,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:21,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52878956] [2024-10-31 22:13:21,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:21,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:21,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:21,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:21,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:21,601 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-10-31 22:13:21,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 305 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:21,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:21,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-10-31 22:13:21,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:21,713 INFO L124 PetriNetUnfolderBase]: 28/463 cut-off events. [2024-10-31 22:13:21,714 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-10-31 22:13:21,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 463 events. 28/463 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1170 event pairs, 7 based on Foata normal form. 0/382 useless extension candidates. Maximal degree in co-relation 465. Up to 41 conditions per place. [2024-10-31 22:13:21,717 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 13 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-10-31 22:13:21,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 304 transitions, 646 flow [2024-10-31 22:13:21,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-10-31 22:13:21,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8534405719392315 [2024-10-31 22:13:21,721 INFO L175 Difference]: Start difference. First operand has 304 places, 305 transitions, 618 flow. Second operand 3 states and 955 transitions. [2024-10-31 22:13:21,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 304 transitions, 646 flow [2024-10-31 22:13:21,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 304 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:21,727 INFO L231 Difference]: Finished difference. Result has 303 places, 304 transitions, 616 flow [2024-10-31 22:13:21,728 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=303, PETRI_TRANSITIONS=304} [2024-10-31 22:13:21,729 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -43 predicate places. [2024-10-31 22:13:21,729 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 304 transitions, 616 flow [2024-10-31 22:13:21,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:21,730 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:21,730 INFO L204 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] [2024-10-31 22:13:21,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:13:21,731 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:21,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:21,732 INFO L85 PathProgramCache]: Analyzing trace with hash 486584430, now seen corresponding path program 1 times [2024-10-31 22:13:21,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:21,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867470546] [2024-10-31 22:13:21,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:21,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:21,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:21,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:21,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867470546] [2024-10-31 22:13:21,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867470546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:21,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:21,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:21,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263812832] [2024-10-31 22:13:21,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:21,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:21,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:21,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:21,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:21,789 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 373 [2024-10-31 22:13:21,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 304 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:21,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:21,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 373 [2024-10-31 22:13:21,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:21,911 INFO L124 PetriNetUnfolderBase]: 34/491 cut-off events. [2024-10-31 22:13:21,912 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2024-10-31 22:13:21,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 491 events. 34/491 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1434 event pairs, 4 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 493. Up to 27 conditions per place. [2024-10-31 22:13:21,916 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 15 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-10-31 22:13:21,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 308 transitions, 660 flow [2024-10-31 22:13:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:21,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-10-31 22:13:21,919 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8659517426273459 [2024-10-31 22:13:21,919 INFO L175 Difference]: Start difference. First operand has 303 places, 304 transitions, 616 flow. Second operand 3 states and 969 transitions. [2024-10-31 22:13:21,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 308 transitions, 660 flow [2024-10-31 22:13:21,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 308 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:21,926 INFO L231 Difference]: Finished difference. Result has 303 places, 304 transitions, 620 flow [2024-10-31 22:13:21,926 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=303, PETRI_TRANSITIONS=304} [2024-10-31 22:13:21,929 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -43 predicate places. [2024-10-31 22:13:21,929 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 304 transitions, 620 flow [2024-10-31 22:13:21,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:21,931 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:21,932 INFO L204 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] [2024-10-31 22:13:21,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:13:21,933 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:21,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:21,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1433388777, now seen corresponding path program 1 times [2024-10-31 22:13:21,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:21,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201527829] [2024-10-31 22:13:21,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:21,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:22,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:22,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201527829] [2024-10-31 22:13:22,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201527829] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:22,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:22,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:22,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140619210] [2024-10-31 22:13:22,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:22,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:22,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:22,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:22,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:22,051 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 373 [2024-10-31 22:13:22,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 304 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:22,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:22,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 373 [2024-10-31 22:13:22,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:22,166 INFO L124 PetriNetUnfolderBase]: 34/490 cut-off events. [2024-10-31 22:13:22,167 INFO L125 PetriNetUnfolderBase]: For 19/20 co-relation queries the response was YES. [2024-10-31 22:13:22,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 562 conditions, 490 events. 34/490 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1428 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 309. Up to 51 conditions per place. [2024-10-31 22:13:22,170 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 13 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2024-10-31 22:13:22,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 303 transitions, 648 flow [2024-10-31 22:13:22,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:22,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-10-31 22:13:22,174 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8552278820375335 [2024-10-31 22:13:22,174 INFO L175 Difference]: Start difference. First operand has 303 places, 304 transitions, 620 flow. Second operand 3 states and 957 transitions. [2024-10-31 22:13:22,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 303 transitions, 648 flow [2024-10-31 22:13:22,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 303 transitions, 646 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:13:22,180 INFO L231 Difference]: Finished difference. Result has 303 places, 303 transitions, 620 flow [2024-10-31 22:13:22,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=303, PETRI_TRANSITIONS=303} [2024-10-31 22:13:22,181 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -43 predicate places. [2024-10-31 22:13:22,181 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 303 transitions, 620 flow [2024-10-31 22:13:22,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:22,182 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:22,183 INFO L204 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] [2024-10-31 22:13:22,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:13:22,183 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:22,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:22,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1521309850, now seen corresponding path program 1 times [2024-10-31 22:13:22,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:22,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418996623] [2024-10-31 22:13:22,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:22,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:22,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:22,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:22,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418996623] [2024-10-31 22:13:22,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418996623] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:22,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:22,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:22,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498000556] [2024-10-31 22:13:22,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:22,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:22,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:22,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:22,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:22,267 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 373 [2024-10-31 22:13:22,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 303 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:22,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:22,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 373 [2024-10-31 22:13:22,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:22,380 INFO L124 PetriNetUnfolderBase]: 34/489 cut-off events. [2024-10-31 22:13:22,380 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-10-31 22:13:22,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 489 events. 34/489 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1426 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 492. Up to 49 conditions per place. [2024-10-31 22:13:22,384 INFO L140 encePairwiseOnDemand]: 371/373 looper letters, 12 selfloop transitions, 1 changer transitions 0/302 dead transitions. [2024-10-31 22:13:22,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 302 transitions, 644 flow [2024-10-31 22:13:22,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:22,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-10-31 22:13:22,387 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8614834673815907 [2024-10-31 22:13:22,387 INFO L175 Difference]: Start difference. First operand has 303 places, 303 transitions, 620 flow. Second operand 3 states and 964 transitions. [2024-10-31 22:13:22,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 302 transitions, 644 flow [2024-10-31 22:13:22,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 302 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:22,393 INFO L231 Difference]: Finished difference. Result has 302 places, 302 transitions, 616 flow [2024-10-31 22:13:22,394 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=302, PETRI_TRANSITIONS=302} [2024-10-31 22:13:22,395 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -44 predicate places. [2024-10-31 22:13:22,395 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 302 transitions, 616 flow [2024-10-31 22:13:22,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:22,396 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:22,396 INFO L204 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] [2024-10-31 22:13:22,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:13:22,396 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:22,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:22,397 INFO L85 PathProgramCache]: Analyzing trace with hash -538768926, now seen corresponding path program 1 times [2024-10-31 22:13:22,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:22,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591394429] [2024-10-31 22:13:22,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:22,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:23,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:23,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591394429] [2024-10-31 22:13:23,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591394429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:23,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:23,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:13:23,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240104268] [2024-10-31 22:13:23,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:23,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:13:23,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:23,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:13:23,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:13:23,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 373 [2024-10-31 22:13:23,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 302 transitions, 616 flow. Second operand has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:23,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:23,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 373 [2024-10-31 22:13:23,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:23,721 INFO L124 PetriNetUnfolderBase]: 73/656 cut-off events. [2024-10-31 22:13:23,721 INFO L125 PetriNetUnfolderBase]: For 34/35 co-relation queries the response was YES. [2024-10-31 22:13:23,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 656 events. 73/656 cut-off events. For 34/35 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2651 event pairs, 42 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 786. Up to 144 conditions per place. [2024-10-31 22:13:23,727 INFO L140 encePairwiseOnDemand]: 361/373 looper letters, 38 selfloop transitions, 10 changer transitions 0/300 dead transitions. [2024-10-31 22:13:23,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 300 transitions, 708 flow [2024-10-31 22:13:23,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:13:23,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:13:23,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1735 transitions. [2024-10-31 22:13:23,733 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7752457551385166 [2024-10-31 22:13:23,733 INFO L175 Difference]: Start difference. First operand has 302 places, 302 transitions, 616 flow. Second operand 6 states and 1735 transitions. [2024-10-31 22:13:23,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 300 transitions, 708 flow [2024-10-31 22:13:23,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 300 transitions, 707 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:13:23,740 INFO L231 Difference]: Finished difference. Result has 304 places, 300 transitions, 631 flow [2024-10-31 22:13:23,740 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=611, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=631, PETRI_PLACES=304, PETRI_TRANSITIONS=300} [2024-10-31 22:13:23,742 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -42 predicate places. [2024-10-31 22:13:23,743 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 300 transitions, 631 flow [2024-10-31 22:13:23,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:23,744 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:23,744 INFO L204 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] [2024-10-31 22:13:23,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:13:23,745 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:23,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:23,746 INFO L85 PathProgramCache]: Analyzing trace with hash -371839761, now seen corresponding path program 1 times [2024-10-31 22:13:23,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:23,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170429930] [2024-10-31 22:13:23,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:23,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:23,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:23,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170429930] [2024-10-31 22:13:23,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170429930] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:23,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:23,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:23,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708609730] [2024-10-31 22:13:23,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:23,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:23,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:23,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:23,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:23,818 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 373 [2024-10-31 22:13:23,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 300 transitions, 631 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:23,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:23,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 373 [2024-10-31 22:13:23,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:23,919 INFO L124 PetriNetUnfolderBase]: 34/486 cut-off events. [2024-10-31 22:13:23,920 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-10-31 22:13:23,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 565 conditions, 486 events. 34/486 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1440 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 531. Up to 51 conditions per place. [2024-10-31 22:13:23,923 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 13 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2024-10-31 22:13:23,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 299 transitions, 659 flow [2024-10-31 22:13:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:23,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:23,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-10-31 22:13:23,926 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8552278820375335 [2024-10-31 22:13:23,926 INFO L175 Difference]: Start difference. First operand has 304 places, 300 transitions, 631 flow. Second operand 3 states and 957 transitions. [2024-10-31 22:13:23,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 299 transitions, 659 flow [2024-10-31 22:13:23,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 299 transitions, 639 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:13:23,932 INFO L231 Difference]: Finished difference. Result has 300 places, 299 transitions, 613 flow [2024-10-31 22:13:23,933 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=613, PETRI_PLACES=300, PETRI_TRANSITIONS=299} [2024-10-31 22:13:23,933 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -46 predicate places. [2024-10-31 22:13:23,934 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 299 transitions, 613 flow [2024-10-31 22:13:23,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:23,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:23,935 INFO L204 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] [2024-10-31 22:13:23,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:13:23,935 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:23,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:23,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1981711545, now seen corresponding path program 1 times [2024-10-31 22:13:23,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:23,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160683954] [2024-10-31 22:13:23,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:23,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:23,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:23,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160683954] [2024-10-31 22:13:23,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160683954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:23,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:23,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:23,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438186284] [2024-10-31 22:13:23,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:23,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:23,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:23,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:23,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:24,003 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-10-31 22:13:24,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 299 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:24,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:24,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-10-31 22:13:24,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:24,105 INFO L124 PetriNetUnfolderBase]: 37/537 cut-off events. [2024-10-31 22:13:24,106 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-31 22:13:24,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 537 events. 37/537 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1665 event pairs, 18 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 561. Up to 63 conditions per place. [2024-10-31 22:13:24,109 INFO L140 encePairwiseOnDemand]: 369/373 looper letters, 16 selfloop transitions, 1 changer transitions 0/296 dead transitions. [2024-10-31 22:13:24,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 296 transitions, 641 flow [2024-10-31 22:13:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:24,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:24,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-10-31 22:13:24,113 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8507596067917784 [2024-10-31 22:13:24,113 INFO L175 Difference]: Start difference. First operand has 300 places, 299 transitions, 613 flow. Second operand 3 states and 952 transitions. [2024-10-31 22:13:24,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 296 transitions, 641 flow [2024-10-31 22:13:24,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 296 transitions, 637 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:24,119 INFO L231 Difference]: Finished difference. Result has 297 places, 296 transitions, 605 flow [2024-10-31 22:13:24,120 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=605, PETRI_PLACES=297, PETRI_TRANSITIONS=296} [2024-10-31 22:13:24,121 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -49 predicate places. [2024-10-31 22:13:24,121 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 296 transitions, 605 flow [2024-10-31 22:13:24,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:24,122 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:24,122 INFO L204 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] [2024-10-31 22:13:24,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:13:24,122 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:24,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:24,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1844863227, now seen corresponding path program 1 times [2024-10-31 22:13:24,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:24,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954051562] [2024-10-31 22:13:24,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:24,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:24,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:24,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:24,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954051562] [2024-10-31 22:13:24,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954051562] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:24,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:24,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:24,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663971650] [2024-10-31 22:13:24,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:24,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:24,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:24,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:24,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:24,244 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-10-31 22:13:24,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 296 transitions, 605 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:24,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:24,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-10-31 22:13:24,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:24,360 INFO L124 PetriNetUnfolderBase]: 45/595 cut-off events. [2024-10-31 22:13:24,360 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2024-10-31 22:13:24,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 692 conditions, 595 events. 45/595 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2192 event pairs, 18 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 627. Up to 72 conditions per place. [2024-10-31 22:13:24,364 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-10-31 22:13:24,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 295 transitions, 639 flow [2024-10-31 22:13:24,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:24,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:24,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2024-10-31 22:13:24,367 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8498659517426274 [2024-10-31 22:13:24,367 INFO L175 Difference]: Start difference. First operand has 297 places, 296 transitions, 605 flow. Second operand 3 states and 951 transitions. [2024-10-31 22:13:24,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 295 transitions, 639 flow [2024-10-31 22:13:24,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 295 transitions, 638 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:13:24,373 INFO L231 Difference]: Finished difference. Result has 297 places, 295 transitions, 606 flow [2024-10-31 22:13:24,375 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=606, PETRI_PLACES=297, PETRI_TRANSITIONS=295} [2024-10-31 22:13:24,376 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -49 predicate places. [2024-10-31 22:13:24,376 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 295 transitions, 606 flow [2024-10-31 22:13:24,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:24,377 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:24,377 INFO L204 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] [2024-10-31 22:13:24,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:13:24,378 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:24,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:24,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1421803922, now seen corresponding path program 1 times [2024-10-31 22:13:24,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:24,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057166095] [2024-10-31 22:13:24,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:24,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:24,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:24,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:24,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057166095] [2024-10-31 22:13:24,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057166095] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:24,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:24,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:24,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415482091] [2024-10-31 22:13:24,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:24,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:24,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:24,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:24,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:24,464 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-10-31 22:13:24,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 295 transitions, 606 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:24,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:24,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-10-31 22:13:24,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:24,590 INFO L124 PetriNetUnfolderBase]: 53/616 cut-off events. [2024-10-31 22:13:24,590 INFO L125 PetriNetUnfolderBase]: For 27/28 co-relation queries the response was YES. [2024-10-31 22:13:24,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 734 conditions, 616 events. 53/616 cut-off events. For 27/28 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2344 event pairs, 26 based on Foata normal form. 0/529 useless extension candidates. Maximal degree in co-relation 670. Up to 85 conditions per place. [2024-10-31 22:13:24,594 INFO L140 encePairwiseOnDemand]: 369/373 looper letters, 16 selfloop transitions, 1 changer transitions 0/292 dead transitions. [2024-10-31 22:13:24,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 292 transitions, 634 flow [2024-10-31 22:13:24,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:24,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:24,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-10-31 22:13:24,597 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8507596067917784 [2024-10-31 22:13:24,598 INFO L175 Difference]: Start difference. First operand has 297 places, 295 transitions, 606 flow. Second operand 3 states and 952 transitions. [2024-10-31 22:13:24,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 292 transitions, 634 flow [2024-10-31 22:13:24,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 292 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:24,604 INFO L231 Difference]: Finished difference. Result has 294 places, 292 transitions, 598 flow [2024-10-31 22:13:24,604 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=294, PETRI_TRANSITIONS=292} [2024-10-31 22:13:24,605 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -52 predicate places. [2024-10-31 22:13:24,605 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 292 transitions, 598 flow [2024-10-31 22:13:24,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:24,606 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:24,606 INFO L204 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] [2024-10-31 22:13:24,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:13:24,607 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:24,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:24,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1749111059, now seen corresponding path program 1 times [2024-10-31 22:13:24,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:24,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227298800] [2024-10-31 22:13:24,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:24,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:25,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:25,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:25,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227298800] [2024-10-31 22:13:25,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227298800] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:25,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:25,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:13:25,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472536927] [2024-10-31 22:13:25,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:25,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:13:25,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:25,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:13:25,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:13:25,520 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 373 [2024-10-31 22:13:25,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 292 transitions, 598 flow. Second operand has 6 states, 6 states have (on average 306.1666666666667) internal successors, (1837), 6 states have internal predecessors, (1837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:25,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:25,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 373 [2024-10-31 22:13:25,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:25,679 INFO L124 PetriNetUnfolderBase]: 34/476 cut-off events. [2024-10-31 22:13:25,680 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-10-31 22:13:25,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 476 events. 34/476 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1387 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 492. Up to 49 conditions per place. [2024-10-31 22:13:25,683 INFO L140 encePairwiseOnDemand]: 368/373 looper letters, 21 selfloop transitions, 4 changer transitions 0/291 dead transitions. [2024-10-31 22:13:25,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 291 transitions, 646 flow [2024-10-31 22:13:25,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:13:25,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:13:25,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1855 transitions. [2024-10-31 22:13:25,688 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8288650580875782 [2024-10-31 22:13:25,688 INFO L175 Difference]: Start difference. First operand has 294 places, 292 transitions, 598 flow. Second operand 6 states and 1855 transitions. [2024-10-31 22:13:25,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 291 transitions, 646 flow [2024-10-31 22:13:25,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 291 transitions, 645 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:13:25,695 INFO L231 Difference]: Finished difference. Result has 297 places, 291 transitions, 603 flow [2024-10-31 22:13:25,696 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=603, PETRI_PLACES=297, PETRI_TRANSITIONS=291} [2024-10-31 22:13:25,697 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -49 predicate places. [2024-10-31 22:13:25,697 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 291 transitions, 603 flow [2024-10-31 22:13:25,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 306.1666666666667) internal successors, (1837), 6 states have internal predecessors, (1837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:25,701 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:25,701 INFO L204 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] [2024-10-31 22:13:25,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:13:25,702 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:25,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:25,702 INFO L85 PathProgramCache]: Analyzing trace with hash -666123439, now seen corresponding path program 1 times [2024-10-31 22:13:25,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:25,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909140239] [2024-10-31 22:13:25,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:25,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:25,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:25,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:25,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909140239] [2024-10-31 22:13:25,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909140239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:25,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:25,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:25,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863534119] [2024-10-31 22:13:25,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:25,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:25,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:25,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:25,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:25,799 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-10-31 22:13:25,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 291 transitions, 603 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:25,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:25,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-10-31 22:13:25,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:25,914 INFO L124 PetriNetUnfolderBase]: 46/487 cut-off events. [2024-10-31 22:13:25,914 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2024-10-31 22:13:25,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 487 events. 46/487 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1595 event pairs, 16 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 518. Up to 72 conditions per place. [2024-10-31 22:13:25,919 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2024-10-31 22:13:25,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 290 transitions, 637 flow [2024-10-31 22:13:25,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:25,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:25,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2024-10-31 22:13:25,922 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8498659517426274 [2024-10-31 22:13:25,922 INFO L175 Difference]: Start difference. First operand has 297 places, 291 transitions, 603 flow. Second operand 3 states and 951 transitions. [2024-10-31 22:13:25,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 290 transitions, 637 flow [2024-10-31 22:13:25,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 290 transitions, 630 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:13:25,928 INFO L231 Difference]: Finished difference. Result has 294 places, 290 transitions, 598 flow [2024-10-31 22:13:25,929 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=294, PETRI_TRANSITIONS=290} [2024-10-31 22:13:25,931 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -52 predicate places. [2024-10-31 22:13:25,931 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 290 transitions, 598 flow [2024-10-31 22:13:25,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:25,932 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:25,932 INFO L204 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] [2024-10-31 22:13:25,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:13:25,932 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:25,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:25,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2103343118, now seen corresponding path program 1 times [2024-10-31 22:13:25,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:25,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568747236] [2024-10-31 22:13:25,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:25,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:26,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:26,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:26,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568747236] [2024-10-31 22:13:26,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568747236] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:26,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:26,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:26,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720675078] [2024-10-31 22:13:26,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:26,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:26,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:26,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:26,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:26,020 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-10-31 22:13:26,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 290 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:26,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:26,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-10-31 22:13:26,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:26,169 INFO L124 PetriNetUnfolderBase]: 62/574 cut-off events. [2024-10-31 22:13:26,169 INFO L125 PetriNetUnfolderBase]: For 27/28 co-relation queries the response was YES. [2024-10-31 22:13:26,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 574 events. 62/574 cut-off events. For 27/28 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2089 event pairs, 13 based on Foata normal form. 0/487 useless extension candidates. Maximal degree in co-relation 626. Up to 58 conditions per place. [2024-10-31 22:13:26,173 INFO L140 encePairwiseOnDemand]: 368/373 looper letters, 19 selfloop transitions, 3 changer transitions 0/294 dead transitions. [2024-10-31 22:13:26,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 294 transitions, 652 flow [2024-10-31 22:13:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:26,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:26,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-10-31 22:13:26,176 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8605898123324397 [2024-10-31 22:13:26,176 INFO L175 Difference]: Start difference. First operand has 294 places, 290 transitions, 598 flow. Second operand 3 states and 963 transitions. [2024-10-31 22:13:26,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 294 transitions, 652 flow [2024-10-31 22:13:26,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 294 transitions, 648 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:26,182 INFO L231 Difference]: Finished difference. Result has 294 places, 290 transitions, 610 flow [2024-10-31 22:13:26,183 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=294, PETRI_TRANSITIONS=290} [2024-10-31 22:13:26,183 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -52 predicate places. [2024-10-31 22:13:26,184 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 290 transitions, 610 flow [2024-10-31 22:13:26,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:26,185 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:26,185 INFO L204 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] [2024-10-31 22:13:26,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:13:26,185 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:26,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:26,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1013961910, now seen corresponding path program 1 times [2024-10-31 22:13:26,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:26,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348013333] [2024-10-31 22:13:26,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:26,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:26,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:26,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348013333] [2024-10-31 22:13:26,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348013333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:26,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:26,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:26,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512707936] [2024-10-31 22:13:26,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:26,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:26,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:26,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:26,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:26,286 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 373 [2024-10-31 22:13:26,287 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 290 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:26,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:26,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 373 [2024-10-31 22:13:26,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:26,428 INFO L124 PetriNetUnfolderBase]: 55/681 cut-off events. [2024-10-31 22:13:26,428 INFO L125 PetriNetUnfolderBase]: For 37/38 co-relation queries the response was YES. [2024-10-31 22:13:26,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 681 events. 55/681 cut-off events. For 37/38 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2666 event pairs, 23 based on Foata normal form. 0/583 useless extension candidates. Maximal degree in co-relation 755. Up to 74 conditions per place. [2024-10-31 22:13:26,434 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 15 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2024-10-31 22:13:26,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 289 transitions, 642 flow [2024-10-31 22:13:26,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:26,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:26,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 953 transitions. [2024-10-31 22:13:26,437 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8516532618409294 [2024-10-31 22:13:26,437 INFO L175 Difference]: Start difference. First operand has 294 places, 290 transitions, 610 flow. Second operand 3 states and 953 transitions. [2024-10-31 22:13:26,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 289 transitions, 642 flow [2024-10-31 22:13:26,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 289 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:26,443 INFO L231 Difference]: Finished difference. Result has 293 places, 289 transitions, 606 flow [2024-10-31 22:13:26,444 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=606, PETRI_PLACES=293, PETRI_TRANSITIONS=289} [2024-10-31 22:13:26,444 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -53 predicate places. [2024-10-31 22:13:26,445 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 289 transitions, 606 flow [2024-10-31 22:13:26,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:26,445 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:26,446 INFO L204 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] [2024-10-31 22:13:26,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:13:26,446 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:26,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:26,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2130933439, now seen corresponding path program 1 times [2024-10-31 22:13:26,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:26,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216439690] [2024-10-31 22:13:26,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:26,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:26,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:26,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216439690] [2024-10-31 22:13:26,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216439690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:26,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:26,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:26,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826146240] [2024-10-31 22:13:26,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:26,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:26,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:26,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:26,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:26,520 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 373 [2024-10-31 22:13:26,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 289 transitions, 606 flow. Second operand has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:26,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:26,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 373 [2024-10-31 22:13:26,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:26,694 INFO L124 PetriNetUnfolderBase]: 78/848 cut-off events. [2024-10-31 22:13:26,694 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-10-31 22:13:26,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1032 conditions, 848 events. 78/848 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3974 event pairs, 28 based on Foata normal form. 0/733 useless extension candidates. Maximal degree in co-relation 967. Up to 106 conditions per place. [2024-10-31 22:13:26,700 INFO L140 encePairwiseOnDemand]: 366/373 looper letters, 18 selfloop transitions, 4 changer transitions 0/292 dead transitions. [2024-10-31 22:13:26,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 292 transitions, 661 flow [2024-10-31 22:13:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:26,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2024-10-31 22:13:26,703 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8570151921358355 [2024-10-31 22:13:26,703 INFO L175 Difference]: Start difference. First operand has 293 places, 289 transitions, 606 flow. Second operand 3 states and 959 transitions. [2024-10-31 22:13:26,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 292 transitions, 661 flow [2024-10-31 22:13:26,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 292 transitions, 657 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:26,709 INFO L231 Difference]: Finished difference. Result has 291 places, 289 transitions, 620 flow [2024-10-31 22:13:26,710 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=291, PETRI_TRANSITIONS=289} [2024-10-31 22:13:26,710 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -55 predicate places. [2024-10-31 22:13:26,710 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 289 transitions, 620 flow [2024-10-31 22:13:26,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:26,711 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:26,711 INFO L204 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] [2024-10-31 22:13:26,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:13:26,712 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:26,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:26,712 INFO L85 PathProgramCache]: Analyzing trace with hash -614046569, now seen corresponding path program 1 times [2024-10-31 22:13:26,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:26,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019759380] [2024-10-31 22:13:26,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:26,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:26,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:26,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:26,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019759380] [2024-10-31 22:13:26,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019759380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:26,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:26,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:26,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302100930] [2024-10-31 22:13:26,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:26,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:26,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:26,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:26,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:26,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-10-31 22:13:26,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 289 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:26,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:26,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-10-31 22:13:26,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:26,976 INFO L124 PetriNetUnfolderBase]: 63/652 cut-off events. [2024-10-31 22:13:26,977 INFO L125 PetriNetUnfolderBase]: For 74/82 co-relation queries the response was YES. [2024-10-31 22:13:26,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 652 events. 63/652 cut-off events. For 74/82 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2850 event pairs, 17 based on Foata normal form. 2/576 useless extension candidates. Maximal degree in co-relation 785. Up to 69 conditions per place. [2024-10-31 22:13:26,981 INFO L140 encePairwiseOnDemand]: 368/373 looper letters, 16 selfloop transitions, 2 changer transitions 2/290 dead transitions. [2024-10-31 22:13:26,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 290 transitions, 666 flow [2024-10-31 22:13:26,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:26,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2024-10-31 22:13:26,984 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8561215370866846 [2024-10-31 22:13:26,984 INFO L175 Difference]: Start difference. First operand has 291 places, 289 transitions, 620 flow. Second operand 3 states and 958 transitions. [2024-10-31 22:13:26,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 290 transitions, 666 flow [2024-10-31 22:13:26,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 290 transitions, 661 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:13:26,991 INFO L231 Difference]: Finished difference. Result has 290 places, 285 transitions, 611 flow [2024-10-31 22:13:26,991 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=611, PETRI_PLACES=290, PETRI_TRANSITIONS=285} [2024-10-31 22:13:26,992 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -56 predicate places. [2024-10-31 22:13:26,992 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 285 transitions, 611 flow [2024-10-31 22:13:26,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:26,993 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:26,993 INFO L204 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] [2024-10-31 22:13:26,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 22:13:26,993 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:26,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:26,994 INFO L85 PathProgramCache]: Analyzing trace with hash 373149136, now seen corresponding path program 1 times [2024-10-31 22:13:26,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:26,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714215284] [2024-10-31 22:13:26,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:26,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:27,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:27,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:27,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714215284] [2024-10-31 22:13:27,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714215284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:27,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:27,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:13:27,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514906792] [2024-10-31 22:13:27,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:27,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:13:27,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:27,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:13:27,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:13:27,574 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2024-10-31 22:13:27,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 285 transitions, 611 flow. Second operand has 7 states, 7 states have (on average 301.0) internal successors, (2107), 7 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:27,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:27,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2024-10-31 22:13:27,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:27,979 INFO L124 PetriNetUnfolderBase]: 91/1159 cut-off events. [2024-10-31 22:13:27,979 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-10-31 22:13:27,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1466 conditions, 1159 events. 91/1159 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5687 event pairs, 19 based on Foata normal form. 0/1034 useless extension candidates. Maximal degree in co-relation 1397. Up to 65 conditions per place. [2024-10-31 22:13:27,988 INFO L140 encePairwiseOnDemand]: 359/373 looper letters, 43 selfloop transitions, 15 changer transitions 0/309 dead transitions. [2024-10-31 22:13:27,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 309 transitions, 801 flow [2024-10-31 22:13:27,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:13:27,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-31 22:13:27,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3032 transitions. [2024-10-31 22:13:27,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8128686327077748 [2024-10-31 22:13:27,994 INFO L175 Difference]: Start difference. First operand has 290 places, 285 transitions, 611 flow. Second operand 10 states and 3032 transitions. [2024-10-31 22:13:27,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 309 transitions, 801 flow [2024-10-31 22:13:27,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 309 transitions, 797 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:28,000 INFO L231 Difference]: Finished difference. Result has 299 places, 292 transitions, 681 flow [2024-10-31 22:13:28,000 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=607, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=681, PETRI_PLACES=299, PETRI_TRANSITIONS=292} [2024-10-31 22:13:28,001 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -47 predicate places. [2024-10-31 22:13:28,001 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 292 transitions, 681 flow [2024-10-31 22:13:28,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 301.0) internal successors, (2107), 7 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:28,002 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:28,002 INFO L204 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] [2024-10-31 22:13:28,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-31 22:13:28,002 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:28,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:28,003 INFO L85 PathProgramCache]: Analyzing trace with hash 94822848, now seen corresponding path program 1 times [2024-10-31 22:13:28,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:28,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107186360] [2024-10-31 22:13:28,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:28,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:28,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:28,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:28,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107186360] [2024-10-31 22:13:28,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107186360] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:28,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:28,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:28,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140877336] [2024-10-31 22:13:28,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:28,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:28,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:28,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:28,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:28,101 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-10-31 22:13:28,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 292 transitions, 681 flow. Second operand has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:28,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:28,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-10-31 22:13:28,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:28,364 INFO L124 PetriNetUnfolderBase]: 136/1073 cut-off events. [2024-10-31 22:13:28,364 INFO L125 PetriNetUnfolderBase]: For 176/202 co-relation queries the response was YES. [2024-10-31 22:13:28,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1562 conditions, 1073 events. 136/1073 cut-off events. For 176/202 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5779 event pairs, 57 based on Foata normal form. 0/954 useless extension candidates. Maximal degree in co-relation 1486. Up to 188 conditions per place. [2024-10-31 22:13:28,372 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 20 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-10-31 22:13:28,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 295 transitions, 741 flow [2024-10-31 22:13:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:28,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-10-31 22:13:28,376 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8552278820375335 [2024-10-31 22:13:28,376 INFO L175 Difference]: Start difference. First operand has 299 places, 292 transitions, 681 flow. Second operand 3 states and 957 transitions. [2024-10-31 22:13:28,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 295 transitions, 741 flow [2024-10-31 22:13:28,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 295 transitions, 734 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:28,384 INFO L231 Difference]: Finished difference. Result has 298 places, 291 transitions, 677 flow [2024-10-31 22:13:28,384 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=677, PETRI_PLACES=298, PETRI_TRANSITIONS=291} [2024-10-31 22:13:28,385 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -48 predicate places. [2024-10-31 22:13:28,385 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 291 transitions, 677 flow [2024-10-31 22:13:28,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:28,386 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:28,386 INFO L204 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] [2024-10-31 22:13:28,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 22:13:28,386 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:28,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:28,387 INFO L85 PathProgramCache]: Analyzing trace with hash 93868542, now seen corresponding path program 1 times [2024-10-31 22:13:28,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:28,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946928471] [2024-10-31 22:13:28,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:28,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:28,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:28,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:28,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946928471] [2024-10-31 22:13:28,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946928471] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:28,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:28,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:28,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78732559] [2024-10-31 22:13:28,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:28,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:28,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:28,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:28,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:28,490 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 373 [2024-10-31 22:13:28,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 291 transitions, 677 flow. Second operand has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:28,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:28,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 373 [2024-10-31 22:13:28,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:28,763 INFO L124 PetriNetUnfolderBase]: 110/1090 cut-off events. [2024-10-31 22:13:28,763 INFO L125 PetriNetUnfolderBase]: For 140/160 co-relation queries the response was YES. [2024-10-31 22:13:28,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1548 conditions, 1090 events. 110/1090 cut-off events. For 140/160 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5715 event pairs, 18 based on Foata normal form. 0/1011 useless extension candidates. Maximal degree in co-relation 1474. Up to 130 conditions per place. [2024-10-31 22:13:28,772 INFO L140 encePairwiseOnDemand]: 368/373 looper letters, 18 selfloop transitions, 3 changer transitions 0/294 dead transitions. [2024-10-31 22:13:28,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 294 transitions, 734 flow [2024-10-31 22:13:28,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:28,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-10-31 22:13:28,775 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8614834673815907 [2024-10-31 22:13:28,776 INFO L175 Difference]: Start difference. First operand has 298 places, 291 transitions, 677 flow. Second operand 3 states and 964 transitions. [2024-10-31 22:13:28,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 294 transitions, 734 flow [2024-10-31 22:13:28,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 294 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:28,782 INFO L231 Difference]: Finished difference. Result has 297 places, 290 transitions, 682 flow [2024-10-31 22:13:28,783 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=297, PETRI_TRANSITIONS=290} [2024-10-31 22:13:28,784 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -49 predicate places. [2024-10-31 22:13:28,784 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 290 transitions, 682 flow [2024-10-31 22:13:28,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:28,785 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:28,785 INFO L204 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] [2024-10-31 22:13:28,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-31 22:13:28,785 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:28,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:28,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1552252678, now seen corresponding path program 1 times [2024-10-31 22:13:28,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:28,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005043228] [2024-10-31 22:13:28,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:28,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:28,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:28,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005043228] [2024-10-31 22:13:28,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005043228] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:28,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:28,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:28,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623899537] [2024-10-31 22:13:28,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:28,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:28,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:28,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:28,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:28,878 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-10-31 22:13:28,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 290 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:28,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:28,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-10-31 22:13:28,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:29,146 INFO L124 PetriNetUnfolderBase]: 112/1078 cut-off events. [2024-10-31 22:13:29,146 INFO L125 PetriNetUnfolderBase]: For 210/229 co-relation queries the response was YES. [2024-10-31 22:13:29,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1575 conditions, 1078 events. 112/1078 cut-off events. For 210/229 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5610 event pairs, 45 based on Foata normal form. 0/1010 useless extension candidates. Maximal degree in co-relation 1501. Up to 168 conditions per place. [2024-10-31 22:13:29,156 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 3 changer transitions 5/293 dead transitions. [2024-10-31 22:13:29,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 293 transitions, 747 flow [2024-10-31 22:13:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:29,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:29,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2024-10-31 22:13:29,159 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8561215370866846 [2024-10-31 22:13:29,160 INFO L175 Difference]: Start difference. First operand has 297 places, 290 transitions, 682 flow. Second operand 3 states and 958 transitions. [2024-10-31 22:13:29,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 293 transitions, 747 flow [2024-10-31 22:13:29,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 293 transitions, 740 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-31 22:13:29,166 INFO L231 Difference]: Finished difference. Result has 296 places, 285 transitions, 660 flow [2024-10-31 22:13:29,166 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=660, PETRI_PLACES=296, PETRI_TRANSITIONS=285} [2024-10-31 22:13:29,167 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -50 predicate places. [2024-10-31 22:13:29,167 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 285 transitions, 660 flow [2024-10-31 22:13:29,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:29,167 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:29,168 INFO L204 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] [2024-10-31 22:13:29,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-31 22:13:29,168 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:29,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:29,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1018302241, now seen corresponding path program 1 times [2024-10-31 22:13:29,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:29,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860287493] [2024-10-31 22:13:29,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:29,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:13:29,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:29,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860287493] [2024-10-31 22:13:29,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860287493] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:29,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:29,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:13:29,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786710337] [2024-10-31 22:13:29,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:29,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:13:29,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:29,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:13:29,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:13:30,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2024-10-31 22:13:30,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 285 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 300.1666666666667) internal successors, (1801), 6 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:30,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:30,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2024-10-31 22:13:30,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:30,476 INFO L124 PetriNetUnfolderBase]: 168/1128 cut-off events. [2024-10-31 22:13:30,477 INFO L125 PetriNetUnfolderBase]: For 176/178 co-relation queries the response was YES. [2024-10-31 22:13:30,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1689 conditions, 1128 events. 168/1128 cut-off events. For 176/178 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6292 event pairs, 14 based on Foata normal form. 0/1060 useless extension candidates. Maximal degree in co-relation 1613. Up to 176 conditions per place. [2024-10-31 22:13:30,489 INFO L140 encePairwiseOnDemand]: 366/373 looper letters, 47 selfloop transitions, 6 changer transitions 0/303 dead transitions. [2024-10-31 22:13:30,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 303 transitions, 834 flow [2024-10-31 22:13:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:13:30,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:13:30,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1835 transitions. [2024-10-31 22:13:30,494 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.819928507596068 [2024-10-31 22:13:30,494 INFO L175 Difference]: Start difference. First operand has 296 places, 285 transitions, 660 flow. Second operand 6 states and 1835 transitions. [2024-10-31 22:13:30,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 303 transitions, 834 flow [2024-10-31 22:13:30,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 303 transitions, 813 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-10-31 22:13:30,501 INFO L231 Difference]: Finished difference. Result has 290 places, 283 transitions, 647 flow [2024-10-31 22:13:30,502 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=647, PETRI_PLACES=290, PETRI_TRANSITIONS=283} [2024-10-31 22:13:30,503 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -56 predicate places. [2024-10-31 22:13:30,503 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 283 transitions, 647 flow [2024-10-31 22:13:30,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.1666666666667) internal successors, (1801), 6 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:30,505 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:30,506 INFO L204 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] [2024-10-31 22:13:30,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-31 22:13:30,506 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:30,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:30,507 INFO L85 PathProgramCache]: Analyzing trace with hash 664132641, now seen corresponding path program 1 times [2024-10-31 22:13:30,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:30,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086455342] [2024-10-31 22:13:30,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:30,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:30,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:13:30,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:30,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086455342] [2024-10-31 22:13:30,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086455342] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:30,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:30,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:30,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604023105] [2024-10-31 22:13:30,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:30,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:30,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:30,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:30,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:30,632 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 373 [2024-10-31 22:13:30,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 283 transitions, 647 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:30,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:30,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 373 [2024-10-31 22:13:30,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:30,899 INFO L124 PetriNetUnfolderBase]: 113/1179 cut-off events. [2024-10-31 22:13:30,899 INFO L125 PetriNetUnfolderBase]: For 208/211 co-relation queries the response was YES. [2024-10-31 22:13:30,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1628 conditions, 1179 events. 113/1179 cut-off events. For 208/211 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6246 event pairs, 21 based on Foata normal form. 0/1125 useless extension candidates. Maximal degree in co-relation 1557. Up to 103 conditions per place. [2024-10-31 22:13:30,911 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 25 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-10-31 22:13:30,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 293 transitions, 746 flow [2024-10-31 22:13:30,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:30,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-10-31 22:13:30,914 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8650580875781948 [2024-10-31 22:13:30,915 INFO L175 Difference]: Start difference. First operand has 290 places, 283 transitions, 647 flow. Second operand 3 states and 968 transitions. [2024-10-31 22:13:30,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 293 transitions, 746 flow [2024-10-31 22:13:30,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 293 transitions, 730 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:13:30,921 INFO L231 Difference]: Finished difference. Result has 287 places, 283 transitions, 643 flow [2024-10-31 22:13:30,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=643, PETRI_PLACES=287, PETRI_TRANSITIONS=283} [2024-10-31 22:13:30,922 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -59 predicate places. [2024-10-31 22:13:30,922 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 283 transitions, 643 flow [2024-10-31 22:13:30,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:30,923 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:30,923 INFO L204 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] [2024-10-31 22:13:30,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-31 22:13:30,923 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-10-31 22:13:30,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:30,924 INFO L85 PathProgramCache]: Analyzing trace with hash 190511314, now seen corresponding path program 1 times [2024-10-31 22:13:30,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:30,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597933628] [2024-10-31 22:13:30,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:30,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:13:31,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:31,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597933628] [2024-10-31 22:13:31,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597933628] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:31,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:31,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:31,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264771634] [2024-10-31 22:13:31,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:31,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:13:31,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:31,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:13:31,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:13:31,067 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 373 [2024-10-31 22:13:31,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 283 transitions, 643 flow. Second operand has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:31,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:31,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 373 [2024-10-31 22:13:31,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:31,348 INFO L124 PetriNetUnfolderBase]: 153/1359 cut-off events. [2024-10-31 22:13:31,348 INFO L125 PetriNetUnfolderBase]: For 188/201 co-relation queries the response was YES. [2024-10-31 22:13:31,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1899 conditions, 1359 events. 153/1359 cut-off events. For 188/201 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 7872 event pairs, 60 based on Foata normal form. 1/1288 useless extension candidates. Maximal degree in co-relation 1828. Up to 175 conditions per place. [2024-10-31 22:13:31,356 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 0 selfloop transitions, 0 changer transitions 287/287 dead transitions. [2024-10-31 22:13:31,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 287 transitions, 707 flow [2024-10-31 22:13:31,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:13:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:13:31,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-10-31 22:13:31,359 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8588025022341377 [2024-10-31 22:13:31,359 INFO L175 Difference]: Start difference. First operand has 287 places, 283 transitions, 643 flow. Second operand 3 states and 961 transitions. [2024-10-31 22:13:31,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 287 transitions, 707 flow [2024-10-31 22:13:31,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 287 transitions, 705 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:13:31,363 INFO L231 Difference]: Finished difference. Result has 287 places, 0 transitions, 0 flow [2024-10-31 22:13:31,364 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=287, PETRI_TRANSITIONS=0} [2024-10-31 22:13:31,364 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -59 predicate places. [2024-10-31 22:13:31,365 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 0 transitions, 0 flow [2024-10-31 22:13:31,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:31,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (116 of 117 remaining) [2024-10-31 22:13:31,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (115 of 117 remaining) [2024-10-31 22:13:31,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (114 of 117 remaining) [2024-10-31 22:13:31,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (113 of 117 remaining) [2024-10-31 22:13:31,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (112 of 117 remaining) [2024-10-31 22:13:31,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (111 of 117 remaining) [2024-10-31 22:13:31,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (110 of 117 remaining) [2024-10-31 22:13:31,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (109 of 117 remaining) [2024-10-31 22:13:31,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (108 of 117 remaining) [2024-10-31 22:13:31,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (107 of 117 remaining) [2024-10-31 22:13:31,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (106 of 117 remaining) [2024-10-31 22:13:31,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (105 of 117 remaining) [2024-10-31 22:13:31,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (104 of 117 remaining) [2024-10-31 22:13:31,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (103 of 117 remaining) [2024-10-31 22:13:31,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (102 of 117 remaining) [2024-10-31 22:13:31,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (101 of 117 remaining) [2024-10-31 22:13:31,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (100 of 117 remaining) [2024-10-31 22:13:31,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (99 of 117 remaining) [2024-10-31 22:13:31,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (98 of 117 remaining) [2024-10-31 22:13:31,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (97 of 117 remaining) [2024-10-31 22:13:31,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (96 of 117 remaining) [2024-10-31 22:13:31,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (95 of 117 remaining) [2024-10-31 22:13:31,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (94 of 117 remaining) [2024-10-31 22:13:31,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (93 of 117 remaining) [2024-10-31 22:13:31,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (92 of 117 remaining) [2024-10-31 22:13:31,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (91 of 117 remaining) [2024-10-31 22:13:31,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (90 of 117 remaining) [2024-10-31 22:13:31,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (89 of 117 remaining) [2024-10-31 22:13:31,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (88 of 117 remaining) [2024-10-31 22:13:31,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (87 of 117 remaining) [2024-10-31 22:13:31,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (86 of 117 remaining) [2024-10-31 22:13:31,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (85 of 117 remaining) [2024-10-31 22:13:31,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (84 of 117 remaining) [2024-10-31 22:13:31,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (83 of 117 remaining) [2024-10-31 22:13:31,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (82 of 117 remaining) [2024-10-31 22:13:31,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (81 of 117 remaining) [2024-10-31 22:13:31,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (80 of 117 remaining) [2024-10-31 22:13:31,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (79 of 117 remaining) [2024-10-31 22:13:31,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (78 of 117 remaining) [2024-10-31 22:13:31,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (77 of 117 remaining) [2024-10-31 22:13:31,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (76 of 117 remaining) [2024-10-31 22:13:31,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (75 of 117 remaining) [2024-10-31 22:13:31,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (74 of 117 remaining) [2024-10-31 22:13:31,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (73 of 117 remaining) [2024-10-31 22:13:31,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (72 of 117 remaining) [2024-10-31 22:13:31,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (71 of 117 remaining) [2024-10-31 22:13:31,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (70 of 117 remaining) [2024-10-31 22:13:31,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (69 of 117 remaining) [2024-10-31 22:13:31,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (68 of 117 remaining) [2024-10-31 22:13:31,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (67 of 117 remaining) [2024-10-31 22:13:31,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (66 of 117 remaining) [2024-10-31 22:13:31,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (65 of 117 remaining) [2024-10-31 22:13:31,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (64 of 117 remaining) [2024-10-31 22:13:31,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (63 of 117 remaining) [2024-10-31 22:13:31,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (62 of 117 remaining) [2024-10-31 22:13:31,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (61 of 117 remaining) [2024-10-31 22:13:31,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (60 of 117 remaining) [2024-10-31 22:13:31,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (59 of 117 remaining) [2024-10-31 22:13:31,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (58 of 117 remaining) [2024-10-31 22:13:31,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (57 of 117 remaining) [2024-10-31 22:13:31,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (56 of 117 remaining) [2024-10-31 22:13:31,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (55 of 117 remaining) [2024-10-31 22:13:31,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (54 of 117 remaining) [2024-10-31 22:13:31,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (53 of 117 remaining) [2024-10-31 22:13:31,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (52 of 117 remaining) [2024-10-31 22:13:31,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (51 of 117 remaining) [2024-10-31 22:13:31,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (50 of 117 remaining) [2024-10-31 22:13:31,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 117 remaining) [2024-10-31 22:13:31,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 117 remaining) [2024-10-31 22:13:31,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 117 remaining) [2024-10-31 22:13:31,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 117 remaining) [2024-10-31 22:13:31,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 117 remaining) [2024-10-31 22:13:31,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 117 remaining) [2024-10-31 22:13:31,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 117 remaining) [2024-10-31 22:13:31,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (42 of 117 remaining) [2024-10-31 22:13:31,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 117 remaining) [2024-10-31 22:13:31,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (40 of 117 remaining) [2024-10-31 22:13:31,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (39 of 117 remaining) [2024-10-31 22:13:31,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (38 of 117 remaining) [2024-10-31 22:13:31,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (37 of 117 remaining) [2024-10-31 22:13:31,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 117 remaining) [2024-10-31 22:13:31,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 117 remaining) [2024-10-31 22:13:31,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 117 remaining) [2024-10-31 22:13:31,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (33 of 117 remaining) [2024-10-31 22:13:31,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (32 of 117 remaining) [2024-10-31 22:13:31,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 117 remaining) [2024-10-31 22:13:31,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (30 of 117 remaining) [2024-10-31 22:13:31,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (29 of 117 remaining) [2024-10-31 22:13:31,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (28 of 117 remaining) [2024-10-31 22:13:31,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (27 of 117 remaining) [2024-10-31 22:13:31,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 117 remaining) [2024-10-31 22:13:31,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (25 of 117 remaining) [2024-10-31 22:13:31,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 117 remaining) [2024-10-31 22:13:31,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 117 remaining) [2024-10-31 22:13:31,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 117 remaining) [2024-10-31 22:13:31,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 117 remaining) [2024-10-31 22:13:31,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 117 remaining) [2024-10-31 22:13:31,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 117 remaining) [2024-10-31 22:13:31,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 117 remaining) [2024-10-31 22:13:31,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 117 remaining) [2024-10-31 22:13:31,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 117 remaining) [2024-10-31 22:13:31,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 117 remaining) [2024-10-31 22:13:31,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 117 remaining) [2024-10-31 22:13:31,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 117 remaining) [2024-10-31 22:13:31,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 117 remaining) [2024-10-31 22:13:31,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (11 of 117 remaining) [2024-10-31 22:13:31,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (10 of 117 remaining) [2024-10-31 22:13:31,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 117 remaining) [2024-10-31 22:13:31,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (8 of 117 remaining) [2024-10-31 22:13:31,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (7 of 117 remaining) [2024-10-31 22:13:31,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (6 of 117 remaining) [2024-10-31 22:13:31,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (5 of 117 remaining) [2024-10-31 22:13:31,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 117 remaining) [2024-10-31 22:13:31,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (3 of 117 remaining) [2024-10-31 22:13:31,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (2 of 117 remaining) [2024-10-31 22:13:31,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (1 of 117 remaining) [2024-10-31 22:13:31,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (0 of 117 remaining) [2024-10-31 22:13:31,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-31 22:13:31,407 INFO L407 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] [2024-10-31 22:13:31,417 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:13:31,418 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:13:31,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:13:31 BasicIcfg [2024-10-31 22:13:31,426 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:13:31,426 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:13:31,426 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:13:31,426 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:13:31,427 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:19" (3/4) ... [2024-10-31 22:13:31,429 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:13:31,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-31 22:13:31,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-31 22:13:31,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-10-31 22:13:31,445 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 22:13:31,445 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:13:31,446 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:13:31,567 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:13:31,568 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:13:31,568 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:13:31,568 INFO L158 Benchmark]: Toolchain (without parser) took 13741.38ms. Allocated memory was 161.5MB in the beginning and 453.0MB in the end (delta: 291.5MB). Free memory was 122.9MB in the beginning and 403.3MB in the end (delta: -280.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-10-31 22:13:31,569 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 161.5MB. Free memory was 129.9MB in the beginning and 129.8MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:13:31,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.30ms. Allocated memory is still 161.5MB. Free memory was 122.4MB in the beginning and 107.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:13:31,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.05ms. Allocated memory is still 161.5MB. Free memory was 107.7MB in the beginning and 104.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:13:31,570 INFO L158 Benchmark]: Boogie Preprocessor took 60.76ms. Allocated memory is still 161.5MB. Free memory was 104.6MB in the beginning and 101.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:31,570 INFO L158 Benchmark]: RCFGBuilder took 1652.29ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 101.4MB in the beginning and 120.2MB in the end (delta: -18.8MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2024-10-31 22:13:31,571 INFO L158 Benchmark]: TraceAbstraction took 11467.08ms. Allocated memory was 199.2MB in the beginning and 453.0MB in the end (delta: 253.8MB). Free memory was 119.2MB in the beginning and 410.7MB in the end (delta: -291.5MB). Peak memory consumption was 170.9MB. Max. memory is 16.1GB. [2024-10-31 22:13:31,571 INFO L158 Benchmark]: Witness Printer took 141.67ms. Allocated memory is still 453.0MB. Free memory was 410.7MB in the beginning and 403.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:13:31,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 161.5MB. Free memory was 129.9MB in the beginning and 129.8MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.30ms. Allocated memory is still 161.5MB. Free memory was 122.4MB in the beginning and 107.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.05ms. Allocated memory is still 161.5MB. Free memory was 107.7MB in the beginning and 104.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.76ms. Allocated memory is still 161.5MB. Free memory was 104.6MB in the beginning and 101.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1652.29ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 101.4MB in the beginning and 120.2MB in the end (delta: -18.8MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. * TraceAbstraction took 11467.08ms. Allocated memory was 199.2MB in the beginning and 453.0MB in the end (delta: 253.8MB). Free memory was 119.2MB in the beginning and 410.7MB in the end (delta: -291.5MB). Peak memory consumption was 170.9MB. Max. memory is 16.1GB. * Witness Printer took 141.67ms. Allocated memory is still 453.0MB. Free memory was 410.7MB in the beginning and 403.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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: 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: 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: 78]: 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: 78]: 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: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: 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: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 480 locations, 117 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: 11.3s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1087 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 594 mSDsluCounter, 297 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 177 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1700 IncrementalHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 177 mSolverCounterUnsat, 111 mSDtfsCounter, 1700 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=720occurred in iteration=0, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 3058 NumberOfCodeBlocks, 3058 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 3033 ConstructedInterpolants, 0 QuantifiedInterpolants, 3979 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 3/3 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 67 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 22:13:31,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3ad5b0-b92e-44fe-96ac-3e9064073523/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE