./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0114971c55bb3ac56cba53b1f36a4abfb42729c079f90200b21654f0e6a33fd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:46:07,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:46:07,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 00:46:07,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:46:07,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:46:07,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:46:07,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:46:07,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:46:07,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:46:07,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:46:07,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:46:07,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:46:07,807 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:46:07,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:46:07,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:46:07,809 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:46:07,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:46:07,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:46:07,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:46:07,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:46:07,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:46:07,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:46:07,812 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 00:46:07,813 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:46:07,813 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:46:07,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:46:07,814 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:46:07,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:46:07,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:46:07,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:46:07,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:46:07,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:46:07,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:46:07,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:46:07,817 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:46:07,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:46:07,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:46:07,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:46:07,819 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:46:07,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:46:07,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:46:07,819 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_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0114971c55bb3ac56cba53b1f36a4abfb42729c079f90200b21654f0e6a33fd [2023-11-29 00:46:08,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:46:08,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:46:08,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:46:08,069 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:46:08,070 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:46:08,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2023-11-29 00:46:10,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:46:11,000 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:46:11,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2023-11-29 00:46:11,008 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/data/be3f875dd/788756760cfb4174bb7731e7261d0487/FLAGdd6fdb6bc [2023-11-29 00:46:11,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/data/be3f875dd/788756760cfb4174bb7731e7261d0487 [2023-11-29 00:46:11,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:46:11,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:46:11,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:46:11,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:46:11,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:46:11,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:46:11" (1/1) ... [2023-11-29 00:46:11,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8bd3a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11, skipping insertion in model container [2023-11-29 00:46:11,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:46:11" (1/1) ... [2023-11-29 00:46:11,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:46:11,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:46:11,228 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:46:11,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:46:11,260 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:46:11,261 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:46:11,266 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:46:11,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11 WrapperNode [2023-11-29 00:46:11,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:46:11,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:46:11,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:46:11,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:46:11,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11" (1/1) ... [2023-11-29 00:46:11,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11" (1/1) ... [2023-11-29 00:46:11,306 INFO L138 Inliner]: procedures = 20, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 111 [2023-11-29 00:46:11,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:46:11,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:46:11,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:46:11,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:46:11,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11" (1/1) ... [2023-11-29 00:46:11,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11" (1/1) ... [2023-11-29 00:46:11,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11" (1/1) ... [2023-11-29 00:46:11,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11" (1/1) ... [2023-11-29 00:46:11,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11" (1/1) ... [2023-11-29 00:46:11,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11" (1/1) ... [2023-11-29 00:46:11,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11" (1/1) ... [2023-11-29 00:46:11,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11" (1/1) ... [2023-11-29 00:46:11,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:46:11,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:46:11,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:46:11,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:46:11,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11" (1/1) ... [2023-11-29 00:46:11,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:46:11,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:11,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:46:11,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:46:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:46:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 00:46:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 00:46:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 00:46:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 00:46:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 00:46:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:46:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 00:46:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 00:46:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 00:46:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:46:11,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:46:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 00:46:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:46:11,415 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 00:46:11,524 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:46:11,526 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:46:11,851 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:46:11,906 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:46:11,906 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 00:46:11,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:46:11 BoogieIcfgContainer [2023-11-29 00:46:11,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:46:11,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:46:11,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:46:11,914 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:46:11,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:46:11" (1/3) ... [2023-11-29 00:46:11,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@283c4f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:46:11, skipping insertion in model container [2023-11-29 00:46:11,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:46:11" (2/3) ... [2023-11-29 00:46:11,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@283c4f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:46:11, skipping insertion in model container [2023-11-29 00:46:11,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:46:11" (3/3) ... [2023-11-29 00:46:11,917 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled.wvr.c [2023-11-29 00:46:11,925 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 00:46:11,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:46:11,936 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-29 00:46:11,936 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 00:46:12,007 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 00:46:12,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 213 places, 214 transitions, 442 flow [2023-11-29 00:46:12,119 INFO L124 PetriNetUnfolderBase]: 8/212 cut-off events. [2023-11-29 00:46:12,119 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 00:46:12,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 212 events. 8/212 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 319 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 130. Up to 2 conditions per place. [2023-11-29 00:46:12,125 INFO L82 GeneralOperation]: Start removeDead. Operand has 213 places, 214 transitions, 442 flow [2023-11-29 00:46:12,132 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 191 places, 191 transitions, 394 flow [2023-11-29 00:46:12,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:46:12,147 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a48828f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:46:12,147 INFO L358 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2023-11-29 00:46:12,152 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 00:46:12,152 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2023-11-29 00:46:12,152 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:46:12,152 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:12,153 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:12,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:12,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:12,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1073029107, now seen corresponding path program 1 times [2023-11-29 00:46:12,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:12,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438581733] [2023-11-29 00:46:12,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:12,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:12,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:12,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438581733] [2023-11-29 00:46:12,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438581733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:12,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:12,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:12,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889989152] [2023-11-29 00:46:12,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:12,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:12,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:12,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:12,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:12,424 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 214 [2023-11-29 00:46:12,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 191 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:12,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:12,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 214 [2023-11-29 00:46:12,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:12,546 INFO L124 PetriNetUnfolderBase]: 16/313 cut-off events. [2023-11-29 00:46:12,546 INFO L125 PetriNetUnfolderBase]: For 19/20 co-relation queries the response was YES. [2023-11-29 00:46:12,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 313 events. 16/313 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1001 event pairs, 8 based on Foata normal form. 10/271 useless extension candidates. Maximal degree in co-relation 204. Up to 34 conditions per place. [2023-11-29 00:46:12,552 INFO L140 encePairwiseOnDemand]: 200/214 looper letters, 15 selfloop transitions, 2 changer transitions 1/179 dead transitions. [2023-11-29 00:46:12,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 179 transitions, 404 flow [2023-11-29 00:46:12,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:12,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:12,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 575 transitions. [2023-11-29 00:46:12,568 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8956386292834891 [2023-11-29 00:46:12,569 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 575 transitions. [2023-11-29 00:46:12,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 575 transitions. [2023-11-29 00:46:12,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:12,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 575 transitions. [2023-11-29 00:46:12,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:12,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:12,588 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:12,590 INFO L175 Difference]: Start difference. First operand has 191 places, 191 transitions, 394 flow. Second operand 3 states and 575 transitions. [2023-11-29 00:46:12,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 179 transitions, 404 flow [2023-11-29 00:46:12,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 179 transitions, 396 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 00:46:12,599 INFO L231 Difference]: Finished difference. Result has 180 places, 178 transitions, 364 flow [2023-11-29 00:46:12,600 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=180, PETRI_TRANSITIONS=178} [2023-11-29 00:46:12,604 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -11 predicate places. [2023-11-29 00:46:12,604 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 178 transitions, 364 flow [2023-11-29 00:46:12,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:12,605 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:12,605 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:12,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:46:12,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:12,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:12,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1077111801, now seen corresponding path program 1 times [2023-11-29 00:46:12,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:12,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072180622] [2023-11-29 00:46:12,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:12,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:12,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:12,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072180622] [2023-11-29 00:46:12,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072180622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:12,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:12,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:12,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577392219] [2023-11-29 00:46:12,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:12,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:12,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:12,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:12,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:12,741 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 214 [2023-11-29 00:46:12,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 178 transitions, 364 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:12,743 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:12,743 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 214 [2023-11-29 00:46:12,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:12,813 INFO L124 PetriNetUnfolderBase]: 30/323 cut-off events. [2023-11-29 00:46:12,813 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2023-11-29 00:46:12,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 323 events. 30/323 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1232 event pairs, 23 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 378. Up to 67 conditions per place. [2023-11-29 00:46:12,817 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 17 selfloop transitions, 2 changer transitions 0/177 dead transitions. [2023-11-29 00:46:12,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 177 transitions, 400 flow [2023-11-29 00:46:12,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:12,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:12,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2023-11-29 00:46:12,821 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8722741433021807 [2023-11-29 00:46:12,821 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2023-11-29 00:46:12,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2023-11-29 00:46:12,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:12,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2023-11-29 00:46:12,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:12,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:12,827 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:12,828 INFO L175 Difference]: Start difference. First operand has 180 places, 178 transitions, 364 flow. Second operand 3 states and 560 transitions. [2023-11-29 00:46:12,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 177 transitions, 400 flow [2023-11-29 00:46:12,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 177 transitions, 396 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:46:12,833 INFO L231 Difference]: Finished difference. Result has 178 places, 177 transitions, 362 flow [2023-11-29 00:46:12,834 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=178, PETRI_TRANSITIONS=177} [2023-11-29 00:46:12,834 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -13 predicate places. [2023-11-29 00:46:12,835 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 177 transitions, 362 flow [2023-11-29 00:46:12,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:12,835 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:12,836 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:12,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:46:12,836 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:12,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:12,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1527214080, now seen corresponding path program 1 times [2023-11-29 00:46:12,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:12,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428773957] [2023-11-29 00:46:12,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:12,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:12,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:12,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:12,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428773957] [2023-11-29 00:46:12,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428773957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:12,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:12,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:12,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307784274] [2023-11-29 00:46:12,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:12,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:12,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:12,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:12,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:12,931 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 214 [2023-11-29 00:46:12,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 177 transitions, 362 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:12,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:12,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 214 [2023-11-29 00:46:12,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:13,003 INFO L124 PetriNetUnfolderBase]: 30/324 cut-off events. [2023-11-29 00:46:13,003 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-29 00:46:13,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 324 events. 30/324 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1387 event pairs, 23 based on Foata normal form. 0/273 useless extension candidates. Maximal degree in co-relation 365. Up to 65 conditions per place. [2023-11-29 00:46:13,006 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 17 selfloop transitions, 2 changer transitions 0/176 dead transitions. [2023-11-29 00:46:13,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 176 transitions, 398 flow [2023-11-29 00:46:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:13,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2023-11-29 00:46:13,009 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8722741433021807 [2023-11-29 00:46:13,010 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2023-11-29 00:46:13,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2023-11-29 00:46:13,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:13,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2023-11-29 00:46:13,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,015 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,015 INFO L175 Difference]: Start difference. First operand has 178 places, 177 transitions, 362 flow. Second operand 3 states and 560 transitions. [2023-11-29 00:46:13,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 176 transitions, 398 flow [2023-11-29 00:46:13,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 176 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:46:13,021 INFO L231 Difference]: Finished difference. Result has 177 places, 176 transitions, 360 flow [2023-11-29 00:46:13,021 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=177, PETRI_TRANSITIONS=176} [2023-11-29 00:46:13,022 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -14 predicate places. [2023-11-29 00:46:13,022 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 176 transitions, 360 flow [2023-11-29 00:46:13,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,023 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:13,023 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:13,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:46:13,023 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:13,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:13,024 INFO L85 PathProgramCache]: Analyzing trace with hash -793115182, now seen corresponding path program 1 times [2023-11-29 00:46:13,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:13,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392683904] [2023-11-29 00:46:13,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:13,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:13,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:13,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392683904] [2023-11-29 00:46:13,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392683904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:13,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:13,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:13,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041575324] [2023-11-29 00:46:13,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:13,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:13,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:13,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:13,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:13,087 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 214 [2023-11-29 00:46:13,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 176 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:13,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 214 [2023-11-29 00:46:13,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:13,175 INFO L124 PetriNetUnfolderBase]: 23/357 cut-off events. [2023-11-29 00:46:13,175 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2023-11-29 00:46:13,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 357 events. 23/357 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1357 event pairs, 15 based on Foata normal form. 0/300 useless extension candidates. Maximal degree in co-relation 375. Up to 48 conditions per place. [2023-11-29 00:46:13,178 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 13 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2023-11-29 00:46:13,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 175 transitions, 388 flow [2023-11-29 00:46:13,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 568 transitions. [2023-11-29 00:46:13,181 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8847352024922118 [2023-11-29 00:46:13,181 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 568 transitions. [2023-11-29 00:46:13,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 568 transitions. [2023-11-29 00:46:13,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:13,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 568 transitions. [2023-11-29 00:46:13,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,186 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,187 INFO L175 Difference]: Start difference. First operand has 177 places, 176 transitions, 360 flow. Second operand 3 states and 568 transitions. [2023-11-29 00:46:13,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 175 transitions, 388 flow [2023-11-29 00:46:13,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 175 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:46:13,191 INFO L231 Difference]: Finished difference. Result has 176 places, 175 transitions, 358 flow [2023-11-29 00:46:13,191 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=176, PETRI_TRANSITIONS=175} [2023-11-29 00:46:13,192 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -15 predicate places. [2023-11-29 00:46:13,192 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 175 transitions, 358 flow [2023-11-29 00:46:13,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,193 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:13,193 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:13,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:46:13,193 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:13,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:13,194 INFO L85 PathProgramCache]: Analyzing trace with hash 918044167, now seen corresponding path program 1 times [2023-11-29 00:46:13,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:13,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745804927] [2023-11-29 00:46:13,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:13,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:13,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:13,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745804927] [2023-11-29 00:46:13,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745804927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:13,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:13,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:13,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035210027] [2023-11-29 00:46:13,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:13,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:13,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:13,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:13,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:13,255 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 214 [2023-11-29 00:46:13,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 175 transitions, 358 flow. Second operand has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:13,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 214 [2023-11-29 00:46:13,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:13,322 INFO L124 PetriNetUnfolderBase]: 23/359 cut-off events. [2023-11-29 00:46:13,322 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2023-11-29 00:46:13,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 359 events. 23/359 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1255 event pairs, 2 based on Foata normal form. 2/303 useless extension candidates. Maximal degree in co-relation 367. Up to 36 conditions per place. [2023-11-29 00:46:13,325 INFO L140 encePairwiseOnDemand]: 206/214 looper letters, 15 selfloop transitions, 3 changer transitions 5/177 dead transitions. [2023-11-29 00:46:13,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 177 transitions, 409 flow [2023-11-29 00:46:13,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:13,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 566 transitions. [2023-11-29 00:46:13,333 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.881619937694704 [2023-11-29 00:46:13,333 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 566 transitions. [2023-11-29 00:46:13,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 566 transitions. [2023-11-29 00:46:13,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:13,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 566 transitions. [2023-11-29 00:46:13,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,338 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,338 INFO L175 Difference]: Start difference. First operand has 176 places, 175 transitions, 358 flow. Second operand 3 states and 566 transitions. [2023-11-29 00:46:13,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 177 transitions, 409 flow [2023-11-29 00:46:13,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 177 transitions, 405 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:46:13,343 INFO L231 Difference]: Finished difference. Result has 173 places, 170 transitions, 356 flow [2023-11-29 00:46:13,343 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=173, PETRI_TRANSITIONS=170} [2023-11-29 00:46:13,344 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -18 predicate places. [2023-11-29 00:46:13,344 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 170 transitions, 356 flow [2023-11-29 00:46:13,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,345 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:13,345 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:13,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:46:13,346 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:13,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:13,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1772163598, now seen corresponding path program 1 times [2023-11-29 00:46:13,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:13,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152900023] [2023-11-29 00:46:13,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:13,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:13,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:13,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152900023] [2023-11-29 00:46:13,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152900023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:13,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:13,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:13,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981191432] [2023-11-29 00:46:13,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:13,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:13,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:13,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:13,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:13,413 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 214 [2023-11-29 00:46:13,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 170 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:13,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 214 [2023-11-29 00:46:13,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:13,497 INFO L124 PetriNetUnfolderBase]: 55/487 cut-off events. [2023-11-29 00:46:13,497 INFO L125 PetriNetUnfolderBase]: For 37/42 co-relation queries the response was YES. [2023-11-29 00:46:13,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 653 conditions, 487 events. 55/487 cut-off events. For 37/42 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2261 event pairs, 23 based on Foata normal form. 0/409 useless extension candidates. Maximal degree in co-relation 408. Up to 83 conditions per place. [2023-11-29 00:46:13,501 INFO L140 encePairwiseOnDemand]: 205/214 looper letters, 19 selfloop transitions, 5 changer transitions 0/170 dead transitions. [2023-11-29 00:46:13,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 170 transitions, 407 flow [2023-11-29 00:46:13,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:13,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2023-11-29 00:46:13,504 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8722741433021807 [2023-11-29 00:46:13,504 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2023-11-29 00:46:13,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2023-11-29 00:46:13,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:13,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2023-11-29 00:46:13,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,510 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,510 INFO L175 Difference]: Start difference. First operand has 173 places, 170 transitions, 356 flow. Second operand 3 states and 560 transitions. [2023-11-29 00:46:13,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 170 transitions, 407 flow [2023-11-29 00:46:13,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 170 transitions, 404 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:46:13,514 INFO L231 Difference]: Finished difference. Result has 168 places, 167 transitions, 364 flow [2023-11-29 00:46:13,514 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=168, PETRI_TRANSITIONS=167} [2023-11-29 00:46:13,515 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -23 predicate places. [2023-11-29 00:46:13,515 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 167 transitions, 364 flow [2023-11-29 00:46:13,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,516 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:13,516 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:13,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:46:13,516 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:13,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:13,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1319910369, now seen corresponding path program 1 times [2023-11-29 00:46:13,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:13,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799940180] [2023-11-29 00:46:13,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:13,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:13,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:13,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799940180] [2023-11-29 00:46:13,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799940180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:13,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:13,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:13,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973041470] [2023-11-29 00:46:13,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:13,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:13,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:13,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:13,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:13,600 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 214 [2023-11-29 00:46:13,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 167 transitions, 364 flow. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:13,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 214 [2023-11-29 00:46:13,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:13,717 INFO L124 PetriNetUnfolderBase]: 74/512 cut-off events. [2023-11-29 00:46:13,717 INFO L125 PetriNetUnfolderBase]: For 65/73 co-relation queries the response was YES. [2023-11-29 00:46:13,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 710 conditions, 512 events. 74/512 cut-off events. For 65/73 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2627 event pairs, 14 based on Foata normal form. 0/451 useless extension candidates. Maximal degree in co-relation 393. Up to 93 conditions per place. [2023-11-29 00:46:13,722 INFO L140 encePairwiseOnDemand]: 205/214 looper letters, 22 selfloop transitions, 5 changer transitions 0/170 dead transitions. [2023-11-29 00:46:13,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 170 transitions, 431 flow [2023-11-29 00:46:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:13,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:13,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2023-11-29 00:46:13,725 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8753894080996885 [2023-11-29 00:46:13,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2023-11-29 00:46:13,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2023-11-29 00:46:13,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:13,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2023-11-29 00:46:13,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,731 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,731 INFO L175 Difference]: Start difference. First operand has 168 places, 167 transitions, 364 flow. Second operand 3 states and 562 transitions. [2023-11-29 00:46:13,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 170 transitions, 431 flow [2023-11-29 00:46:13,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 170 transitions, 426 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:46:13,737 INFO L231 Difference]: Finished difference. Result has 166 places, 164 transitions, 370 flow [2023-11-29 00:46:13,737 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=370, PETRI_PLACES=166, PETRI_TRANSITIONS=164} [2023-11-29 00:46:13,738 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -25 predicate places. [2023-11-29 00:46:13,738 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 164 transitions, 370 flow [2023-11-29 00:46:13,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,739 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:13,739 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:13,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:46:13,739 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:13,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:13,740 INFO L85 PathProgramCache]: Analyzing trace with hash -25358458, now seen corresponding path program 1 times [2023-11-29 00:46:13,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:13,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924999403] [2023-11-29 00:46:13,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:13,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:13,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:13,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924999403] [2023-11-29 00:46:13,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924999403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:13,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:13,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:13,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116782447] [2023-11-29 00:46:13,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:13,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:13,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:13,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:13,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:13,817 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 214 [2023-11-29 00:46:13,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 164 transitions, 370 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,818 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:13,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 214 [2023-11-29 00:46:13,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:13,918 INFO L124 PetriNetUnfolderBase]: 60/618 cut-off events. [2023-11-29 00:46:13,918 INFO L125 PetriNetUnfolderBase]: For 45/55 co-relation queries the response was YES. [2023-11-29 00:46:13,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 618 events. 60/618 cut-off events. For 45/55 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3264 event pairs, 20 based on Foata normal form. 2/559 useless extension candidates. Maximal degree in co-relation 397. Up to 117 conditions per place. [2023-11-29 00:46:13,923 INFO L140 encePairwiseOnDemand]: 210/214 looper letters, 15 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2023-11-29 00:46:13,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 165 transitions, 407 flow [2023-11-29 00:46:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 575 transitions. [2023-11-29 00:46:13,926 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8956386292834891 [2023-11-29 00:46:13,926 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 575 transitions. [2023-11-29 00:46:13,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 575 transitions. [2023-11-29 00:46:13,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:13,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 575 transitions. [2023-11-29 00:46:13,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,931 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,931 INFO L175 Difference]: Start difference. First operand has 166 places, 164 transitions, 370 flow. Second operand 3 states and 575 transitions. [2023-11-29 00:46:13,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 165 transitions, 407 flow [2023-11-29 00:46:13,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 165 transitions, 402 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:46:13,936 INFO L231 Difference]: Finished difference. Result has 166 places, 164 transitions, 375 flow [2023-11-29 00:46:13,936 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=375, PETRI_PLACES=166, PETRI_TRANSITIONS=164} [2023-11-29 00:46:13,937 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -25 predicate places. [2023-11-29 00:46:13,937 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 164 transitions, 375 flow [2023-11-29 00:46:13,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:13,937 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:13,938 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:13,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:46:13,938 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:13,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:13,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1636327001, now seen corresponding path program 1 times [2023-11-29 00:46:13,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:13,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135991837] [2023-11-29 00:46:13,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:13,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:13,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:13,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:13,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135991837] [2023-11-29 00:46:14,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135991837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:14,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:14,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:14,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574754131] [2023-11-29 00:46:14,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:14,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:14,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:14,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:14,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:14,033 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 214 [2023-11-29 00:46:14,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 164 transitions, 375 flow. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:14,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:14,035 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 214 [2023-11-29 00:46:14,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:14,154 INFO L124 PetriNetUnfolderBase]: 74/636 cut-off events. [2023-11-29 00:46:14,154 INFO L125 PetriNetUnfolderBase]: For 64/74 co-relation queries the response was YES. [2023-11-29 00:46:14,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 636 events. 74/636 cut-off events. For 64/74 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3392 event pairs, 35 based on Foata normal form. 0/575 useless extension candidates. Maximal degree in co-relation 465. Up to 124 conditions per place. [2023-11-29 00:46:14,159 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 21 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2023-11-29 00:46:14,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 166 transitions, 428 flow [2023-11-29 00:46:14,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:14,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:14,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2023-11-29 00:46:14,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.883177570093458 [2023-11-29 00:46:14,162 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2023-11-29 00:46:14,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2023-11-29 00:46:14,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:14,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2023-11-29 00:46:14,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:14,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:14,167 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:14,167 INFO L175 Difference]: Start difference. First operand has 166 places, 164 transitions, 375 flow. Second operand 3 states and 567 transitions. [2023-11-29 00:46:14,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 166 transitions, 428 flow [2023-11-29 00:46:14,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 166 transitions, 428 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 00:46:14,171 INFO L231 Difference]: Finished difference. Result has 167 places, 163 transitions, 377 flow [2023-11-29 00:46:14,172 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=377, PETRI_PLACES=167, PETRI_TRANSITIONS=163} [2023-11-29 00:46:14,173 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -24 predicate places. [2023-11-29 00:46:14,173 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 163 transitions, 377 flow [2023-11-29 00:46:14,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:14,173 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:14,173 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:14,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:46:14,174 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:14,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:14,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1103229644, now seen corresponding path program 1 times [2023-11-29 00:46:14,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:14,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023894342] [2023-11-29 00:46:14,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:14,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:14,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:14,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023894342] [2023-11-29 00:46:14,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023894342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:14,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:14,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:46:14,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792835516] [2023-11-29 00:46:14,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:14,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:46:14,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:14,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:46:14,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:46:14,829 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 214 [2023-11-29 00:46:14,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 163 transitions, 377 flow. Second operand has 6 states, 6 states have (on average 184.5) internal successors, (1107), 6 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:14,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:14,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 214 [2023-11-29 00:46:14,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:15,001 INFO L124 PetriNetUnfolderBase]: 150/906 cut-off events. [2023-11-29 00:46:15,001 INFO L125 PetriNetUnfolderBase]: For 95/107 co-relation queries the response was YES. [2023-11-29 00:46:15,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1362 conditions, 906 events. 150/906 cut-off events. For 95/107 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 5713 event pairs, 7 based on Foata normal form. 8/834 useless extension candidates. Maximal degree in co-relation 925. Up to 95 conditions per place. [2023-11-29 00:46:15,009 INFO L140 encePairwiseOnDemand]: 209/214 looper letters, 36 selfloop transitions, 4 changer transitions 0/186 dead transitions. [2023-11-29 00:46:15,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 186 transitions, 535 flow [2023-11-29 00:46:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:46:15,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:46:15,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1129 transitions. [2023-11-29 00:46:15,014 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8792834890965732 [2023-11-29 00:46:15,014 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1129 transitions. [2023-11-29 00:46:15,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1129 transitions. [2023-11-29 00:46:15,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:15,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1129 transitions. [2023-11-29 00:46:15,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 214.0) internal successors, (1498), 7 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,023 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 214.0) internal successors, (1498), 7 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,023 INFO L175 Difference]: Start difference. First operand has 167 places, 163 transitions, 377 flow. Second operand 6 states and 1129 transitions. [2023-11-29 00:46:15,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 186 transitions, 535 flow [2023-11-29 00:46:15,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 186 transitions, 531 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:46:15,029 INFO L231 Difference]: Finished difference. Result has 169 places, 162 transitions, 379 flow [2023-11-29 00:46:15,029 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=379, PETRI_PLACES=169, PETRI_TRANSITIONS=162} [2023-11-29 00:46:15,030 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -22 predicate places. [2023-11-29 00:46:15,030 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 162 transitions, 379 flow [2023-11-29 00:46:15,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.5) internal successors, (1107), 6 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,031 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:15,031 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:15,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:46:15,031 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:15,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:15,032 INFO L85 PathProgramCache]: Analyzing trace with hash 131866263, now seen corresponding path program 1 times [2023-11-29 00:46:15,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:15,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585644884] [2023-11-29 00:46:15,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:15,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:15,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:15,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:15,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585644884] [2023-11-29 00:46:15,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585644884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:15,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:15,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:15,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609820018] [2023-11-29 00:46:15,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:15,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:15,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:15,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:15,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:15,104 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 214 [2023-11-29 00:46:15,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 162 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:15,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 214 [2023-11-29 00:46:15,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:15,195 INFO L124 PetriNetUnfolderBase]: 59/494 cut-off events. [2023-11-29 00:46:15,195 INFO L125 PetriNetUnfolderBase]: For 62/65 co-relation queries the response was YES. [2023-11-29 00:46:15,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 742 conditions, 494 events. 59/494 cut-off events. For 62/65 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2515 event pairs, 23 based on Foata normal form. 0/459 useless extension candidates. Maximal degree in co-relation 549. Up to 106 conditions per place. [2023-11-29 00:46:15,199 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 21 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2023-11-29 00:46:15,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 164 transitions, 432 flow [2023-11-29 00:46:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:15,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:15,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2023-11-29 00:46:15,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.883177570093458 [2023-11-29 00:46:15,202 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2023-11-29 00:46:15,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2023-11-29 00:46:15,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:15,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2023-11-29 00:46:15,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,206 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,206 INFO L175 Difference]: Start difference. First operand has 169 places, 162 transitions, 379 flow. Second operand 3 states and 567 transitions. [2023-11-29 00:46:15,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 164 transitions, 432 flow [2023-11-29 00:46:15,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 164 transitions, 425 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 00:46:15,211 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 374 flow [2023-11-29 00:46:15,212 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=374, PETRI_PLACES=166, PETRI_TRANSITIONS=161} [2023-11-29 00:46:15,212 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -25 predicate places. [2023-11-29 00:46:15,212 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 374 flow [2023-11-29 00:46:15,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,213 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:15,213 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:15,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 00:46:15,213 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:15,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:15,214 INFO L85 PathProgramCache]: Analyzing trace with hash 647393503, now seen corresponding path program 1 times [2023-11-29 00:46:15,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:15,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822678778] [2023-11-29 00:46:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:15,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:15,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:15,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:15,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822678778] [2023-11-29 00:46:15,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822678778] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:15,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:15,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:15,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201912407] [2023-11-29 00:46:15,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:15,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:15,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:15,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:15,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:15,282 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 214 [2023-11-29 00:46:15,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 161 transitions, 374 flow. Second operand has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:15,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 214 [2023-11-29 00:46:15,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:15,380 INFO L124 PetriNetUnfolderBase]: 74/613 cut-off events. [2023-11-29 00:46:15,380 INFO L125 PetriNetUnfolderBase]: For 65/75 co-relation queries the response was YES. [2023-11-29 00:46:15,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 936 conditions, 613 events. 74/613 cut-off events. For 65/75 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3215 event pairs, 35 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 630. Up to 124 conditions per place. [2023-11-29 00:46:15,385 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 21 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2023-11-29 00:46:15,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 163 transitions, 427 flow [2023-11-29 00:46:15,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:15,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2023-11-29 00:46:15,388 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.883177570093458 [2023-11-29 00:46:15,388 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2023-11-29 00:46:15,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2023-11-29 00:46:15,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:15,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2023-11-29 00:46:15,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,393 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,393 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 374 flow. Second operand 3 states and 567 transitions. [2023-11-29 00:46:15,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 163 transitions, 427 flow [2023-11-29 00:46:15,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 163 transitions, 423 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:46:15,398 INFO L231 Difference]: Finished difference. Result has 165 places, 160 transitions, 372 flow [2023-11-29 00:46:15,398 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=372, PETRI_PLACES=165, PETRI_TRANSITIONS=160} [2023-11-29 00:46:15,399 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -26 predicate places. [2023-11-29 00:46:15,399 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 160 transitions, 372 flow [2023-11-29 00:46:15,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:15,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:15,399 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:15,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 00:46:15,400 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:15,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:15,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1319819772, now seen corresponding path program 1 times [2023-11-29 00:46:15,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:15,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465291213] [2023-11-29 00:46:15,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:15,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:16,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:16,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465291213] [2023-11-29 00:46:16,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465291213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:16,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:16,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:46:16,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530952417] [2023-11-29 00:46:16,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:16,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:46:16,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:16,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:46:16,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:46:16,149 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 214 [2023-11-29 00:46:16,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 160 transitions, 372 flow. Second operand has 6 states, 6 states have (on average 184.66666666666666) internal successors, (1108), 6 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:16,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:16,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 214 [2023-11-29 00:46:16,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:16,260 INFO L124 PetriNetUnfolderBase]: 49/480 cut-off events. [2023-11-29 00:46:16,260 INFO L125 PetriNetUnfolderBase]: For 41/44 co-relation queries the response was YES. [2023-11-29 00:46:16,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 480 events. 49/480 cut-off events. For 41/44 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2180 event pairs, 9 based on Foata normal form. 0/454 useless extension candidates. Maximal degree in co-relation 579. Up to 47 conditions per place. [2023-11-29 00:46:16,265 INFO L140 encePairwiseOnDemand]: 209/214 looper letters, 24 selfloop transitions, 4 changer transitions 0/171 dead transitions. [2023-11-29 00:46:16,265 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 171 transitions, 466 flow [2023-11-29 00:46:16,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:46:16,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:46:16,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1121 transitions. [2023-11-29 00:46:16,270 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8730529595015576 [2023-11-29 00:46:16,270 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1121 transitions. [2023-11-29 00:46:16,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1121 transitions. [2023-11-29 00:46:16,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:16,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1121 transitions. [2023-11-29 00:46:16,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 186.83333333333334) internal successors, (1121), 6 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:16,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 214.0) internal successors, (1498), 7 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:16,280 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 214.0) internal successors, (1498), 7 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:16,280 INFO L175 Difference]: Start difference. First operand has 165 places, 160 transitions, 372 flow. Second operand 6 states and 1121 transitions. [2023-11-29 00:46:16,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 171 transitions, 466 flow [2023-11-29 00:46:16,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 171 transitions, 462 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:46:16,285 INFO L231 Difference]: Finished difference. Result has 167 places, 159 transitions, 374 flow [2023-11-29 00:46:16,286 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=374, PETRI_PLACES=167, PETRI_TRANSITIONS=159} [2023-11-29 00:46:16,287 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -24 predicate places. [2023-11-29 00:46:16,287 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 159 transitions, 374 flow [2023-11-29 00:46:16,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.66666666666666) internal successors, (1108), 6 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:16,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:46:16,288 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:16,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 00:46:16,288 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2023-11-29 00:46:16,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:16,289 INFO L85 PathProgramCache]: Analyzing trace with hash -226945891, now seen corresponding path program 1 times [2023-11-29 00:46:16,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:16,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802657627] [2023-11-29 00:46:16,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:16,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:16,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:46:16,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:16,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802657627] [2023-11-29 00:46:16,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802657627] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:16,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:16,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:46:16,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227129098] [2023-11-29 00:46:16,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:16,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:46:16,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:16,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:46:16,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:46:16,376 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 214 [2023-11-29 00:46:16,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 159 transitions, 374 flow. Second operand has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:16,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:46:16,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 214 [2023-11-29 00:46:16,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:46:16,454 INFO L124 PetriNetUnfolderBase]: 58/482 cut-off events. [2023-11-29 00:46:16,455 INFO L125 PetriNetUnfolderBase]: For 59/62 co-relation queries the response was YES. [2023-11-29 00:46:16,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 482 events. 58/482 cut-off events. For 59/62 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2438 event pairs, 22 based on Foata normal form. 0/458 useless extension candidates. Maximal degree in co-relation 684. Up to 105 conditions per place. [2023-11-29 00:46:16,457 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 0 selfloop transitions, 0 changer transitions 161/161 dead transitions. [2023-11-29 00:46:16,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 161 transitions, 427 flow [2023-11-29 00:46:16,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:16,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:46:16,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2023-11-29 00:46:16,460 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.883177570093458 [2023-11-29 00:46:16,460 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2023-11-29 00:46:16,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2023-11-29 00:46:16,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:46:16,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2023-11-29 00:46:16,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:16,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:16,464 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:16,465 INFO L175 Difference]: Start difference. First operand has 167 places, 159 transitions, 374 flow. Second operand 3 states and 567 transitions. [2023-11-29 00:46:16,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 161 transitions, 427 flow [2023-11-29 00:46:16,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 161 transitions, 420 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 00:46:16,468 INFO L231 Difference]: Finished difference. Result has 164 places, 0 transitions, 0 flow [2023-11-29 00:46:16,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=164, PETRI_TRANSITIONS=0} [2023-11-29 00:46:16,469 INFO L281 CegarLoopForPetriNet]: 191 programPoint places, -27 predicate places. [2023-11-29 00:46:16,469 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 0 transitions, 0 flow [2023-11-29 00:46:16,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:46:16,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2023-11-29 00:46:16,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2023-11-29 00:46:16,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2023-11-29 00:46:16,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2023-11-29 00:46:16,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2023-11-29 00:46:16,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2023-11-29 00:46:16,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2023-11-29 00:46:16,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2023-11-29 00:46:16,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2023-11-29 00:46:16,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2023-11-29 00:46:16,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2023-11-29 00:46:16,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2023-11-29 00:46:16,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2023-11-29 00:46:16,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2023-11-29 00:46:16,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2023-11-29 00:46:16,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2023-11-29 00:46:16,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2023-11-29 00:46:16,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2023-11-29 00:46:16,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2023-11-29 00:46:16,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2023-11-29 00:46:16,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2023-11-29 00:46:16,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2023-11-29 00:46:16,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2023-11-29 00:46:16,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2023-11-29 00:46:16,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2023-11-29 00:46:16,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2023-11-29 00:46:16,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2023-11-29 00:46:16,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2023-11-29 00:46:16,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2023-11-29 00:46:16,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2023-11-29 00:46:16,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2023-11-29 00:46:16,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2023-11-29 00:46:16,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 54 remaining) [2023-11-29 00:46:16,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 54 remaining) [2023-11-29 00:46:16,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2023-11-29 00:46:16,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2023-11-29 00:46:16,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2023-11-29 00:46:16,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2023-11-29 00:46:16,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2023-11-29 00:46:16,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2023-11-29 00:46:16,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2023-11-29 00:46:16,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2023-11-29 00:46:16,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2023-11-29 00:46:16,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2023-11-29 00:46:16,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2023-11-29 00:46:16,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2023-11-29 00:46:16,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2023-11-29 00:46:16,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2023-11-29 00:46:16,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2023-11-29 00:46:16,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2023-11-29 00:46:16,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2023-11-29 00:46:16,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2023-11-29 00:46:16,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2023-11-29 00:46:16,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2023-11-29 00:46:16,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 00:46:16,478 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:16,484 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 00:46:16,484 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:46:16,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:46:16 BasicIcfg [2023-11-29 00:46:16,489 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:46:16,490 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:46:16,490 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:46:16,490 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:46:16,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:46:11" (3/4) ... [2023-11-29 00:46:16,492 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 00:46:16,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 00:46:16,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 00:46:16,500 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-29 00:46:16,500 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 00:46:16,500 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 00:46:16,501 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 00:46:16,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:46:16,587 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 00:46:16,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:46:16,587 INFO L158 Benchmark]: Toolchain (without parser) took 5564.14ms. Allocated memory was 146.8MB in the beginning and 222.3MB in the end (delta: 75.5MB). Free memory was 105.8MB in the beginning and 123.1MB in the end (delta: -17.3MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2023-11-29 00:46:16,588 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:46:16,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.81ms. Allocated memory is still 146.8MB. Free memory was 105.4MB in the beginning and 93.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 00:46:16,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.77ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 91.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:46:16,589 INFO L158 Benchmark]: Boogie Preprocessor took 31.39ms. Allocated memory is still 146.8MB. Free memory was 91.8MB in the beginning and 90.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:46:16,589 INFO L158 Benchmark]: RCFGBuilder took 568.78ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 106.4MB in the end (delta: -16.3MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-11-29 00:46:16,589 INFO L158 Benchmark]: TraceAbstraction took 4578.76ms. Allocated memory was 146.8MB in the beginning and 222.3MB in the end (delta: 75.5MB). Free memory was 105.6MB in the beginning and 128.3MB in the end (delta: -22.7MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2023-11-29 00:46:16,590 INFO L158 Benchmark]: Witness Printer took 97.05ms. Allocated memory is still 222.3MB. Free memory was 128.3MB in the beginning and 123.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:46:16,592 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.81ms. Allocated memory is still 146.8MB. Free memory was 105.4MB in the beginning and 93.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.77ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 91.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.39ms. Allocated memory is still 146.8MB. Free memory was 91.8MB in the beginning and 90.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 568.78ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 106.4MB in the end (delta: -16.3MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4578.76ms. Allocated memory was 146.8MB in the beginning and 222.3MB in the end (delta: 75.5MB). Free memory was 105.6MB in the beginning and 128.3MB in the end (delta: -22.7MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Witness Printer took 97.05ms. Allocated memory is still 222.3MB. Free memory was 128.3MB in the beginning and 123.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: 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: 48]: 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: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: 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, 287 locations, 54 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: 4.4s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 604 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 230 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 88 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 796 IncrementalHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 88 mSolverCounterUnsat, 93 mSDtfsCounter, 796 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=394occurred in iteration=0, InterpolantAutomatonStates: 48, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 831 NumberOfCodeBlocks, 831 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 817 ConstructedInterpolants, 0 QuantifiedInterpolants, 1003 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 00:46:16,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3258a96d-a5d1-458f-a831-f21cad43ba9e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE