./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/barrier_3t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/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_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/barrier_3t.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/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_43c24238-6884-4ce8-9c42-1ed4902e32b2/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 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:22:39,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:22:39,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-28 20:22:39,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:22:39,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:22:39,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:22:39,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:22:39,946 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:22:39,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:22:39,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:22:39,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:22:39,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:22:39,949 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:22:39,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:22:39,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:22:39,950 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:22:39,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:22:39,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:22:39,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:22:39,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:22:39,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:22:39,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:22:39,953 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-28 20:22:39,954 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 20:22:39,954 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:22:39,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:22:39,955 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:22:39,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:22:39,956 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:22:39,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:22:39,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:22:39,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:22:39,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:22:39,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:22:39,957 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:22:39,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 20:22:39,958 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:22:39,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:22:39,958 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:22:39,958 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:22:39,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:22:39,959 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_43c24238-6884-4ce8-9c42-1ed4902e32b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc [2023-11-28 20:22:40,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:22:40,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:22:40,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:22:40,223 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:22:40,224 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:22:40,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread-divine/barrier_3t.i [2023-11-28 20:22:42,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:22:43,233 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:22:43,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/sv-benchmarks/c/pthread-divine/barrier_3t.i [2023-11-28 20:22:43,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/data/83cc6e281/3440cd8de76b4f6a86d1cfc24c90db38/FLAG81c54d7a5 [2023-11-28 20:22:43,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/data/83cc6e281/3440cd8de76b4f6a86d1cfc24c90db38 [2023-11-28 20:22:43,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:22:43,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:22:43,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:22:43,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:22:43,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:22:43,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:22:43" (1/1) ... [2023-11-28 20:22:43,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4840b7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43, skipping insertion in model container [2023-11-28 20:22:43,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:22:43" (1/1) ... [2023-11-28 20:22:43,329 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:22:43,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:22:43,676 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:22:43,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:22:43,779 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:22:43,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43 WrapperNode [2023-11-28 20:22:43,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:22:43,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:22:43,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:22:43,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:22:43,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43" (1/1) ... [2023-11-28 20:22:43,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43" (1/1) ... [2023-11-28 20:22:43,866 INFO L138 Inliner]: procedures = 174, calls = 99, calls flagged for inlining = 19, calls inlined = 31, statements flattened = 1079 [2023-11-28 20:22:43,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:22:43,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:22:43,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:22:43,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:22:43,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43" (1/1) ... [2023-11-28 20:22:43,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43" (1/1) ... [2023-11-28 20:22:43,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43" (1/1) ... [2023-11-28 20:22:43,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43" (1/1) ... [2023-11-28 20:22:43,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43" (1/1) ... [2023-11-28 20:22:43,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43" (1/1) ... [2023-11-28 20:22:43,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43" (1/1) ... [2023-11-28 20:22:43,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43" (1/1) ... [2023-11-28 20:22:43,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:22:43,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:22:43,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:22:43,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:22:43,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43" (1/1) ... [2023-11-28 20:22:43,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:22:43,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:22:44,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:22:44,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:22:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-28 20:22:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-28 20:22:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-28 20:22:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2023-11-28 20:22:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2023-11-28 20:22:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:22:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-28 20:22:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 20:22:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-28 20:22:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 20:22:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-28 20:22:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-28 20:22:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:22:44,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:22:44,041 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-28 20:22:44,217 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:22:44,219 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:22:45,515 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:22:45,571 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:22:45,571 INFO L309 CfgBuilder]: Removed 20 assume(true) statements. [2023-11-28 20:22:45,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:22:45 BoogieIcfgContainer [2023-11-28 20:22:45,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:22:45,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:22:45,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:22:45,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:22:45,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:22:43" (1/3) ... [2023-11-28 20:22:45,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e5834d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:22:45, skipping insertion in model container [2023-11-28 20:22:45,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:43" (2/3) ... [2023-11-28 20:22:45,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e5834d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:22:45, skipping insertion in model container [2023-11-28 20:22:45,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:22:45" (3/3) ... [2023-11-28 20:22:45,583 INFO L112 eAbstractionObserver]: Analyzing ICFG barrier_3t.i [2023-11-28 20:22:45,592 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-28 20:22:45,603 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:22:45,603 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 98 error locations. [2023-11-28 20:22:45,603 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-28 20:22:45,852 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-28 20:22:45,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1139 places, 1229 transitions, 2465 flow [2023-11-28 20:22:46,805 INFO L124 PetriNetUnfolderBase]: 141/1812 cut-off events. [2023-11-28 20:22:46,805 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-28 20:22:46,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1817 conditions, 1812 events. 141/1812 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 7322 event pairs, 0 based on Foata normal form. 0/1523 useless extension candidates. Maximal degree in co-relation 1101. Up to 4 conditions per place. [2023-11-28 20:22:46,858 INFO L82 GeneralOperation]: Start removeDead. Operand has 1139 places, 1229 transitions, 2465 flow [2023-11-28 20:22:46,897 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1139 places, 1229 transitions, 2465 flow [2023-11-28 20:22:46,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:22:46,912 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;@75d0f9c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:22:46,912 INFO L358 AbstractCegarLoop]: Starting to check reachability of 143 error locations. [2023-11-28 20:22:46,920 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-28 20:22:46,920 INFO L124 PetriNetUnfolderBase]: 1/53 cut-off events. [2023-11-28 20:22:46,920 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-28 20:22:46,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:22:46,921 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] [2023-11-28 20:22:46,921 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2023-11-28 20:22:46,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:46,926 INFO L85 PathProgramCache]: Analyzing trace with hash -367881406, now seen corresponding path program 1 times [2023-11-28 20:22:46,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:46,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356372786] [2023-11-28 20:22:46,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:46,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:22:47,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:47,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356372786] [2023-11-28 20:22:47,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356372786] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:47,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:47,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:22:47,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655806676] [2023-11-28 20:22:47,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:47,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:22:47,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:47,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:22:47,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:22:49,643 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 885 out of 1229 [2023-11-28 20:22:49,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1139 places, 1229 transitions, 2465 flow. Second operand has 6 states, 6 states have (on average 886.5) internal successors, (5319), 6 states have internal predecessors, (5319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:22:49,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:22:49,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 885 of 1229 [2023-11-28 20:22:49,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:23:08,074 INFO L124 PetriNetUnfolderBase]: 17834/84665 cut-off events. [2023-11-28 20:23:08,074 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2023-11-28 20:23:08,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116709 conditions, 84665 events. 17834/84665 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 1039397 event pairs, 15609 based on Foata normal form. 7960/82273 useless extension candidates. Maximal degree in co-relation 115901. Up to 32034 conditions per place. [2023-11-28 20:23:08,384 INFO L140 encePairwiseOnDemand]: 1157/1229 looper letters, 272 selfloop transitions, 5 changer transitions 3/1116 dead transitions. [2023-11-28 20:23:08,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1097 places, 1116 transitions, 2793 flow [2023-11-28 20:23:08,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:23:08,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:23:08,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5654 transitions. [2023-11-28 20:23:08,413 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7667480336316789 [2023-11-28 20:23:08,414 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5654 transitions. [2023-11-28 20:23:08,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5654 transitions. [2023-11-28 20:23:08,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:23:08,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5654 transitions. [2023-11-28 20:23:08,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 942.3333333333334) internal successors, (5654), 6 states have internal predecessors, (5654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:08,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:08,466 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:08,468 INFO L175 Difference]: Start difference. First operand has 1139 places, 1229 transitions, 2465 flow. Second operand 6 states and 5654 transitions. [2023-11-28 20:23:08,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1097 places, 1116 transitions, 2793 flow [2023-11-28 20:23:08,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1097 places, 1116 transitions, 2793 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-28 20:23:08,502 INFO L231 Difference]: Finished difference. Result has 1097 places, 1113 transitions, 2243 flow [2023-11-28 20:23:08,507 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1229, PETRI_DIFFERENCE_MINUEND_FLOW=2239, PETRI_DIFFERENCE_MINUEND_PLACES=1092, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2243, PETRI_PLACES=1097, PETRI_TRANSITIONS=1113} [2023-11-28 20:23:08,511 INFO L281 CegarLoopForPetriNet]: 1139 programPoint places, -42 predicate places. [2023-11-28 20:23:08,511 INFO L495 AbstractCegarLoop]: Abstraction has has 1097 places, 1113 transitions, 2243 flow [2023-11-28 20:23:08,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 886.5) internal successors, (5319), 6 states have internal predecessors, (5319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:08,516 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:23:08,516 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] [2023-11-28 20:23:08,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 20:23:08,517 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2023-11-28 20:23:08,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:08,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1976258855, now seen corresponding path program 1 times [2023-11-28 20:23:08,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:23:08,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062250564] [2023-11-28 20:23:08,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:08,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:23:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:08,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:23:08,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:23:08,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062250564] [2023-11-28 20:23:08,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062250564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:08,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:08,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:23:08,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519461739] [2023-11-28 20:23:08,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:08,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:23:08,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:23:08,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:23:08,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:23:08,636 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1127 out of 1229 [2023-11-28 20:23:08,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1097 places, 1113 transitions, 2243 flow. Second operand has 3 states, 3 states have (on average 1128.3333333333333) internal successors, (3385), 3 states have internal predecessors, (3385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:08,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:23:08,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1127 of 1229 [2023-11-28 20:23:08,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:23:10,906 INFO L124 PetriNetUnfolderBase]: 563/9906 cut-off events. [2023-11-28 20:23:10,906 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-28 20:23:10,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10531 conditions, 9906 events. 563/9906 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 91256 event pairs, 210 based on Foata normal form. 1/8494 useless extension candidates. Maximal degree in co-relation 10442. Up to 608 conditions per place. [2023-11-28 20:23:10,997 INFO L140 encePairwiseOnDemand]: 1226/1229 looper letters, 35 selfloop transitions, 2 changer transitions 0/1114 dead transitions. [2023-11-28 20:23:10,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1096 places, 1114 transitions, 2319 flow [2023-11-28 20:23:10,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:23:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:23:11,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3419 transitions. [2023-11-28 20:23:11,005 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9273121779224301 [2023-11-28 20:23:11,006 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3419 transitions. [2023-11-28 20:23:11,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3419 transitions. [2023-11-28 20:23:11,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:23:11,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3419 transitions. [2023-11-28 20:23:11,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1139.6666666666667) internal successors, (3419), 3 states have internal predecessors, (3419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:11,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1229.0) internal successors, (4916), 4 states have internal predecessors, (4916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:11,027 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1229.0) internal successors, (4916), 4 states have internal predecessors, (4916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:11,028 INFO L175 Difference]: Start difference. First operand has 1097 places, 1113 transitions, 2243 flow. Second operand 3 states and 3419 transitions. [2023-11-28 20:23:11,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1096 places, 1114 transitions, 2319 flow [2023-11-28 20:23:11,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1091 places, 1114 transitions, 2309 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-28 20:23:11,044 INFO L231 Difference]: Finished difference. Result has 1092 places, 1114 transitions, 2245 flow [2023-11-28 20:23:11,045 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1229, PETRI_DIFFERENCE_MINUEND_FLOW=2233, PETRI_DIFFERENCE_MINUEND_PLACES=1089, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2245, PETRI_PLACES=1092, PETRI_TRANSITIONS=1114} [2023-11-28 20:23:11,046 INFO L281 CegarLoopForPetriNet]: 1139 programPoint places, -47 predicate places. [2023-11-28 20:23:11,046 INFO L495 AbstractCegarLoop]: Abstraction has has 1092 places, 1114 transitions, 2245 flow [2023-11-28 20:23:11,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1128.3333333333333) internal successors, (3385), 3 states have internal predecessors, (3385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:11,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:23:11,049 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] [2023-11-28 20:23:11,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 20:23:11,049 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2023-11-28 20:23:11,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:11,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1100288994, now seen corresponding path program 1 times [2023-11-28 20:23:11,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:23:11,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505352782] [2023-11-28 20:23:11,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:11,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:23:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:11,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:23:11,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:23:11,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505352782] [2023-11-28 20:23:11,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505352782] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:11,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:11,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:23:11,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964535343] [2023-11-28 20:23:11,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:11,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:23:11,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:23:11,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:23:11,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:23:13,622 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 885 out of 1229 [2023-11-28 20:23:13,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1092 places, 1114 transitions, 2245 flow. Second operand has 6 states, 6 states have (on average 886.5) internal successors, (5319), 6 states have internal predecessors, (5319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:13,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:23:13,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 885 of 1229 [2023-11-28 20:23:13,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:23:33,025 INFO L124 PetriNetUnfolderBase]: 17834/84689 cut-off events. [2023-11-28 20:23:33,026 INFO L125 PetriNetUnfolderBase]: For 7/10 co-relation queries the response was YES. [2023-11-28 20:23:33,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116748 conditions, 84689 events. 17834/84689 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 1038969 event pairs, 15609 based on Foata normal form. 0/74339 useless extension candidates. Maximal degree in co-relation 116664. Up to 32037 conditions per place. [2023-11-28 20:23:33,338 INFO L140 encePairwiseOnDemand]: 1223/1229 looper letters, 273 selfloop transitions, 5 changer transitions 0/1113 dead transitions. [2023-11-28 20:23:33,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1096 places, 1113 transitions, 2799 flow [2023-11-28 20:23:33,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:23:33,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:23:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5588 transitions. [2023-11-28 20:23:33,358 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7577976674803363 [2023-11-28 20:23:33,358 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5588 transitions. [2023-11-28 20:23:33,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5588 transitions. [2023-11-28 20:23:33,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:23:33,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5588 transitions. [2023-11-28 20:23:33,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 931.3333333333334) internal successors, (5588), 6 states have internal predecessors, (5588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:33,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:33,401 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:33,401 INFO L175 Difference]: Start difference. First operand has 1092 places, 1114 transitions, 2245 flow. Second operand 6 states and 5588 transitions. [2023-11-28 20:23:33,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1096 places, 1113 transitions, 2799 flow [2023-11-28 20:23:33,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1095 places, 1113 transitions, 2797 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 20:23:33,427 INFO L231 Difference]: Finished difference. Result has 1095 places, 1113 transitions, 2251 flow [2023-11-28 20:23:33,429 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1229, PETRI_DIFFERENCE_MINUEND_FLOW=2241, PETRI_DIFFERENCE_MINUEND_PLACES=1090, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2251, PETRI_PLACES=1095, PETRI_TRANSITIONS=1113} [2023-11-28 20:23:33,430 INFO L281 CegarLoopForPetriNet]: 1139 programPoint places, -44 predicate places. [2023-11-28 20:23:33,430 INFO L495 AbstractCegarLoop]: Abstraction has has 1095 places, 1113 transitions, 2251 flow [2023-11-28 20:23:33,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 886.5) internal successors, (5319), 6 states have internal predecessors, (5319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:33,432 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:23:33,433 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] [2023-11-28 20:23:33,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 20:23:33,433 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2023-11-28 20:23:33,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:33,434 INFO L85 PathProgramCache]: Analyzing trace with hash 607785149, now seen corresponding path program 1 times [2023-11-28 20:23:33,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:23:33,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164228238] [2023-11-28 20:23:33,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:33,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:23:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:33,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:23:33,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:23:33,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164228238] [2023-11-28 20:23:33,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164228238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:33,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:33,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:23:33,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577979058] [2023-11-28 20:23:33,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:33,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:23:33,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:23:33,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:23:33,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:23:35,524 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 885 out of 1229 [2023-11-28 20:23:35,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1095 places, 1113 transitions, 2251 flow. Second operand has 6 states, 6 states have (on average 886.5) internal successors, (5319), 6 states have internal predecessors, (5319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:35,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:23:35,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 885 of 1229 [2023-11-28 20:23:35,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:23:53,169 INFO L124 PetriNetUnfolderBase]: 17834/84687 cut-off events. [2023-11-28 20:23:53,169 INFO L125 PetriNetUnfolderBase]: For 6/9 co-relation queries the response was YES. [2023-11-28 20:23:53,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116755 conditions, 84687 events. 17834/84687 cut-off events. For 6/9 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 1039042 event pairs, 15609 based on Foata normal form. 0/74339 useless extension candidates. Maximal degree in co-relation 116657. Up to 32037 conditions per place. [2023-11-28 20:23:53,498 INFO L140 encePairwiseOnDemand]: 1223/1229 looper letters, 273 selfloop transitions, 5 changer transitions 0/1112 dead transitions. [2023-11-28 20:23:53,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1099 places, 1112 transitions, 2805 flow [2023-11-28 20:23:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:23:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:23:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5588 transitions. [2023-11-28 20:23:53,512 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7577976674803363 [2023-11-28 20:23:53,512 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5588 transitions. [2023-11-28 20:23:53,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5588 transitions. [2023-11-28 20:23:53,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:23:53,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5588 transitions. [2023-11-28 20:23:53,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 931.3333333333334) internal successors, (5588), 6 states have internal predecessors, (5588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:53,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:53,540 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:53,540 INFO L175 Difference]: Start difference. First operand has 1095 places, 1113 transitions, 2251 flow. Second operand 6 states and 5588 transitions. [2023-11-28 20:23:53,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1099 places, 1112 transitions, 2805 flow [2023-11-28 20:23:53,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1094 places, 1112 transitions, 2795 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-28 20:23:53,570 INFO L231 Difference]: Finished difference. Result has 1094 places, 1112 transitions, 2249 flow [2023-11-28 20:23:53,572 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1229, PETRI_DIFFERENCE_MINUEND_FLOW=2239, PETRI_DIFFERENCE_MINUEND_PLACES=1089, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2249, PETRI_PLACES=1094, PETRI_TRANSITIONS=1112} [2023-11-28 20:23:53,573 INFO L281 CegarLoopForPetriNet]: 1139 programPoint places, -45 predicate places. [2023-11-28 20:23:53,574 INFO L495 AbstractCegarLoop]: Abstraction has has 1094 places, 1112 transitions, 2249 flow [2023-11-28 20:23:53,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 886.5) internal successors, (5319), 6 states have internal predecessors, (5319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:53,575 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:23:53,576 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] [2023-11-28 20:23:53,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-28 20:23:53,576 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2023-11-28 20:23:53,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:53,577 INFO L85 PathProgramCache]: Analyzing trace with hash 239899695, now seen corresponding path program 1 times [2023-11-28 20:23:53,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:23:53,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708647095] [2023-11-28 20:23:53,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:53,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:23:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:23:53,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:23:53,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708647095] [2023-11-28 20:23:53,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708647095] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:23:53,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210083747] [2023-11-28 20:23:53,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:53,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:23:53,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:23:53,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:23:53,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-28 20:23:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:53,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:23:53,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:53,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:23:53,964 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:23:54,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:23:54,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210083747] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:23:54,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 20:23:54,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-11-28 20:23:54,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784188167] [2023-11-28 20:23:54,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 20:23:54,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:23:54,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:23:54,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:23:54,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:23:54,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1126 out of 1229 [2023-11-28 20:23:54,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1094 places, 1112 transitions, 2249 flow. Second operand has 6 states, 6 states have (on average 1128.1666666666667) internal successors, (6769), 6 states have internal predecessors, (6769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:54,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:23:54,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1126 of 1229 [2023-11-28 20:23:54,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:23:56,435 INFO L124 PetriNetUnfolderBase]: 555/9924 cut-off events. [2023-11-28 20:23:56,435 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-28 20:23:56,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10557 conditions, 9924 events. 555/9924 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 90899 event pairs, 210 based on Foata normal form. 2/8525 useless extension candidates. Maximal degree in co-relation 10409. Up to 599 conditions per place. [2023-11-28 20:23:56,510 INFO L140 encePairwiseOnDemand]: 1225/1229 looper letters, 37 selfloop transitions, 5 changer transitions 0/1116 dead transitions. [2023-11-28 20:23:56,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1098 places, 1116 transitions, 2343 flow [2023-11-28 20:23:56,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:23:56,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-28 20:23:56,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5674 transitions. [2023-11-28 20:23:56,521 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9233523189585029 [2023-11-28 20:23:56,521 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5674 transitions. [2023-11-28 20:23:56,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5674 transitions. [2023-11-28 20:23:56,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:23:56,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5674 transitions. [2023-11-28 20:23:56,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1134.8) internal successors, (5674), 5 states have internal predecessors, (5674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:56,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1229.0) internal successors, (7374), 6 states have internal predecessors, (7374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:56,545 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1229.0) internal successors, (7374), 6 states have internal predecessors, (7374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:56,545 INFO L175 Difference]: Start difference. First operand has 1094 places, 1112 transitions, 2249 flow. Second operand 5 states and 5674 transitions. [2023-11-28 20:23:56,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1098 places, 1116 transitions, 2343 flow [2023-11-28 20:23:56,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1093 places, 1116 transitions, 2333 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-28 20:23:56,569 INFO L231 Difference]: Finished difference. Result has 1096 places, 1114 transitions, 2269 flow [2023-11-28 20:23:56,572 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1229, PETRI_DIFFERENCE_MINUEND_FLOW=2239, PETRI_DIFFERENCE_MINUEND_PLACES=1089, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2269, PETRI_PLACES=1096, PETRI_TRANSITIONS=1114} [2023-11-28 20:23:56,572 INFO L281 CegarLoopForPetriNet]: 1139 programPoint places, -43 predicate places. [2023-11-28 20:23:56,573 INFO L495 AbstractCegarLoop]: Abstraction has has 1096 places, 1114 transitions, 2269 flow [2023-11-28 20:23:56,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1128.1666666666667) internal successors, (6769), 6 states have internal predecessors, (6769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:56,575 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:23:56,575 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:56,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-28 20:23:56,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c24238-6884-4ce8-9c42-1ed4902e32b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:23:56,776 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2023-11-28 20:23:56,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:56,777 INFO L85 PathProgramCache]: Analyzing trace with hash 186058303, now seen corresponding path program 2 times [2023-11-28 20:23:56,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:23:56,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467386503] [2023-11-28 20:23:56,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:56,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:23:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:57,471 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-28 20:23:57,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:23:57,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467386503] [2023-11-28 20:23:57,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467386503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:57,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:57,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:23:57,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679929816] [2023-11-28 20:23:57,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:57,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:23:57,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:23:57,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:23:57,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:23:58,827 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 890 out of 1229 [2023-11-28 20:23:58,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1096 places, 1114 transitions, 2269 flow. Second operand has 6 states, 6 states have (on average 893.3333333333334) internal successors, (5360), 6 states have internal predecessors, (5360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:23:58,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:23:58,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 890 of 1229 [2023-11-28 20:23:58,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:24:17,812 INFO L124 PetriNetUnfolderBase]: 17618/84447 cut-off events. [2023-11-28 20:24:17,812 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-11-28 20:24:17,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116083 conditions, 84447 events. 17618/84447 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 1037480 event pairs, 15367 based on Foata normal form. 0/74175 useless extension candidates. Maximal degree in co-relation 115903. Up to 31603 conditions per place. [2023-11-28 20:24:18,136 INFO L140 encePairwiseOnDemand]: 1223/1229 looper letters, 267 selfloop transitions, 5 changer transitions 0/1113 dead transitions. [2023-11-28 20:24:18,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1100 places, 1113 transitions, 2811 flow [2023-11-28 20:24:18,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:24:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:24:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5613 transitions. [2023-11-28 20:24:18,151 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7611879576891782 [2023-11-28 20:24:18,151 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5613 transitions. [2023-11-28 20:24:18,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5613 transitions. [2023-11-28 20:24:18,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:24:18,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5613 transitions. [2023-11-28 20:24:18,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 935.5) internal successors, (5613), 6 states have internal predecessors, (5613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:24:18,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:24:18,181 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:24:18,182 INFO L175 Difference]: Start difference. First operand has 1096 places, 1114 transitions, 2269 flow. Second operand 6 states and 5613 transitions. [2023-11-28 20:24:18,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1100 places, 1113 transitions, 2811 flow [2023-11-28 20:24:18,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1099 places, 1113 transitions, 2805 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-11-28 20:24:18,201 INFO L231 Difference]: Finished difference. Result has 1099 places, 1113 transitions, 2271 flow [2023-11-28 20:24:18,203 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1229, PETRI_DIFFERENCE_MINUEND_FLOW=2261, PETRI_DIFFERENCE_MINUEND_PLACES=1094, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2271, PETRI_PLACES=1099, PETRI_TRANSITIONS=1113} [2023-11-28 20:24:18,204 INFO L281 CegarLoopForPetriNet]: 1139 programPoint places, -40 predicate places. [2023-11-28 20:24:18,204 INFO L495 AbstractCegarLoop]: Abstraction has has 1099 places, 1113 transitions, 2271 flow [2023-11-28 20:24:18,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 893.3333333333334) internal successors, (5360), 6 states have internal predecessors, (5360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:24:18,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:24:18,206 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:24:18,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-28 20:24:18,206 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2023-11-28 20:24:18,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:24:18,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1343323722, now seen corresponding path program 1 times [2023-11-28 20:24:18,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:24:18,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977178778] [2023-11-28 20:24:18,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:18,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:24:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-28 20:24:18,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:24:18,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977178778] [2023-11-28 20:24:18,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977178778] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:24:18,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:24:18,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:24:18,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498414984] [2023-11-28 20:24:18,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:24:18,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:24:18,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:24:18,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:24:18,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:24:20,124 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 890 out of 1229 [2023-11-28 20:24:20,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1099 places, 1113 transitions, 2271 flow. Second operand has 6 states, 6 states have (on average 893.3333333333334) internal successors, (5360), 6 states have internal predecessors, (5360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:24:20,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:24:20,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 890 of 1229 [2023-11-28 20:24:20,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:24:39,721 INFO L124 PetriNetUnfolderBase]: 17618/84446 cut-off events. [2023-11-28 20:24:39,721 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-28 20:24:39,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116085 conditions, 84446 events. 17618/84446 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 1037512 event pairs, 15367 based on Foata normal form. 0/74175 useless extension candidates. Maximal degree in co-relation 115907. Up to 31603 conditions per place. [2023-11-28 20:24:40,035 INFO L140 encePairwiseOnDemand]: 1223/1229 looper letters, 267 selfloop transitions, 5 changer transitions 0/1112 dead transitions. [2023-11-28 20:24:40,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1103 places, 1112 transitions, 2813 flow [2023-11-28 20:24:40,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:24:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:24:40,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5613 transitions. [2023-11-28 20:24:40,047 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7611879576891782 [2023-11-28 20:24:40,047 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5613 transitions. [2023-11-28 20:24:40,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5613 transitions. [2023-11-28 20:24:40,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:24:40,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5613 transitions. [2023-11-28 20:24:40,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 935.5) internal successors, (5613), 6 states have internal predecessors, (5613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:24:40,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:24:40,064 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:24:40,064 INFO L175 Difference]: Start difference. First operand has 1099 places, 1113 transitions, 2271 flow. Second operand 6 states and 5613 transitions. [2023-11-28 20:24:40,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1103 places, 1112 transitions, 2813 flow [2023-11-28 20:24:40,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1098 places, 1112 transitions, 2803 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-28 20:24:40,081 INFO L231 Difference]: Finished difference. Result has 1098 places, 1112 transitions, 2269 flow [2023-11-28 20:24:40,082 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1229, PETRI_DIFFERENCE_MINUEND_FLOW=2259, PETRI_DIFFERENCE_MINUEND_PLACES=1093, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2269, PETRI_PLACES=1098, PETRI_TRANSITIONS=1112} [2023-11-28 20:24:40,083 INFO L281 CegarLoopForPetriNet]: 1139 programPoint places, -41 predicate places. [2023-11-28 20:24:40,083 INFO L495 AbstractCegarLoop]: Abstraction has has 1098 places, 1112 transitions, 2269 flow [2023-11-28 20:24:40,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 893.3333333333334) internal successors, (5360), 6 states have internal predecessors, (5360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:24:40,083 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:24:40,084 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:24:40,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-28 20:24:40,084 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2023-11-28 20:24:40,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:24:40,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1939525335, now seen corresponding path program 1 times [2023-11-28 20:24:40,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:24:40,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364536226] [2023-11-28 20:24:40,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:40,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:24:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:40,711 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-28 20:24:40,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:24:40,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364536226] [2023-11-28 20:24:40,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364536226] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:24:40,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:24:40,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:24:40,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786050780] [2023-11-28 20:24:40,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:24:40,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:24:40,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:24:40,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:24:40,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:24:41,804 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 890 out of 1229 [2023-11-28 20:24:41,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1098 places, 1112 transitions, 2269 flow. Second operand has 6 states, 6 states have (on average 893.3333333333334) internal successors, (5360), 6 states have internal predecessors, (5360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:24:41,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:24:41,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 890 of 1229 [2023-11-28 20:24:41,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:25:00,691 INFO L124 PetriNetUnfolderBase]: 17584/84250 cut-off events. [2023-11-28 20:25:00,692 INFO L125 PetriNetUnfolderBase]: For 12/15 co-relation queries the response was YES. [2023-11-28 20:25:00,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115853 conditions, 84250 events. 17584/84250 cut-off events. For 12/15 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 1035605 event pairs, 15367 based on Foata normal form. 0/73955 useless extension candidates. Maximal degree in co-relation 115675. Up to 31567 conditions per place. [2023-11-28 20:25:01,015 INFO L140 encePairwiseOnDemand]: 1223/1229 looper letters, 267 selfloop transitions, 5 changer transitions 0/1111 dead transitions. [2023-11-28 20:25:01,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1102 places, 1111 transitions, 2811 flow [2023-11-28 20:25:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:25:01,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:25:01,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5613 transitions. [2023-11-28 20:25:01,026 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7611879576891782 [2023-11-28 20:25:01,026 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5613 transitions. [2023-11-28 20:25:01,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5613 transitions. [2023-11-28 20:25:01,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:25:01,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5613 transitions. [2023-11-28 20:25:01,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 935.5) internal successors, (5613), 6 states have internal predecessors, (5613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:01,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:01,039 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:01,039 INFO L175 Difference]: Start difference. First operand has 1098 places, 1112 transitions, 2269 flow. Second operand 6 states and 5613 transitions. [2023-11-28 20:25:01,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1102 places, 1111 transitions, 2811 flow [2023-11-28 20:25:01,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1097 places, 1111 transitions, 2801 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-28 20:25:01,055 INFO L231 Difference]: Finished difference. Result has 1097 places, 1111 transitions, 2267 flow [2023-11-28 20:25:01,057 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1229, PETRI_DIFFERENCE_MINUEND_FLOW=2257, PETRI_DIFFERENCE_MINUEND_PLACES=1092, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2267, PETRI_PLACES=1097, PETRI_TRANSITIONS=1111} [2023-11-28 20:25:01,058 INFO L281 CegarLoopForPetriNet]: 1139 programPoint places, -42 predicate places. [2023-11-28 20:25:01,058 INFO L495 AbstractCegarLoop]: Abstraction has has 1097 places, 1111 transitions, 2267 flow [2023-11-28 20:25:01,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 893.3333333333334) internal successors, (5360), 6 states have internal predecessors, (5360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:01,059 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:25:01,059 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:25:01,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-28 20:25:01,059 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2023-11-28 20:25:01,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:25:01,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1182003474, now seen corresponding path program 1 times [2023-11-28 20:25:01,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:25:01,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652185012] [2023-11-28 20:25:01,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:25:01,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:25:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:25:01,229 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-28 20:25:01,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:25:01,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652185012] [2023-11-28 20:25:01,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652185012] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:25:01,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:25:01,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:25:01,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191103973] [2023-11-28 20:25:01,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:25:01,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:25:01,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:25:01,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:25:01,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:25:01,965 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 893 out of 1229 [2023-11-28 20:25:01,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1097 places, 1111 transitions, 2267 flow. Second operand has 3 states, 3 states have (on average 898.6666666666666) internal successors, (2696), 3 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:01,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:25:01,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 893 of 1229 [2023-11-28 20:25:01,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:25:20,770 INFO L124 PetriNetUnfolderBase]: 17584/84249 cut-off events. [2023-11-28 20:25:20,771 INFO L125 PetriNetUnfolderBase]: For 12/15 co-relation queries the response was YES. [2023-11-28 20:25:20,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115849 conditions, 84249 events. 17584/84249 cut-off events. For 12/15 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 1035419 event pairs, 15367 based on Foata normal form. 0/73955 useless extension candidates. Maximal degree in co-relation 115671. Up to 31567 conditions per place. [2023-11-28 20:25:21,092 INFO L140 encePairwiseOnDemand]: 1226/1229 looper letters, 267 selfloop transitions, 2 changer transitions 0/1110 dead transitions. [2023-11-28 20:25:21,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1098 places, 1110 transitions, 2803 flow [2023-11-28 20:25:21,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:25:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:25:21,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2949 transitions. [2023-11-28 20:25:21,100 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7998372660699756 [2023-11-28 20:25:21,100 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2949 transitions. [2023-11-28 20:25:21,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2949 transitions. [2023-11-28 20:25:21,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:25:21,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2949 transitions. [2023-11-28 20:25:21,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 983.0) internal successors, (2949), 3 states have internal predecessors, (2949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:21,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1229.0) internal successors, (4916), 4 states have internal predecessors, (4916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:21,110 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1229.0) internal successors, (4916), 4 states have internal predecessors, (4916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:21,110 INFO L175 Difference]: Start difference. First operand has 1097 places, 1111 transitions, 2267 flow. Second operand 3 states and 2949 transitions. [2023-11-28 20:25:21,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1098 places, 1110 transitions, 2803 flow [2023-11-28 20:25:21,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1093 places, 1110 transitions, 2793 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-28 20:25:21,128 INFO L231 Difference]: Finished difference. Result has 1093 places, 1110 transitions, 2259 flow [2023-11-28 20:25:21,130 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1229, PETRI_DIFFERENCE_MINUEND_FLOW=2255, PETRI_DIFFERENCE_MINUEND_PLACES=1091, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2259, PETRI_PLACES=1093, PETRI_TRANSITIONS=1110} [2023-11-28 20:25:21,130 INFO L281 CegarLoopForPetriNet]: 1139 programPoint places, -46 predicate places. [2023-11-28 20:25:21,130 INFO L495 AbstractCegarLoop]: Abstraction has has 1093 places, 1110 transitions, 2259 flow [2023-11-28 20:25:21,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 898.6666666666666) internal successors, (2696), 3 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:21,131 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:25:21,131 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:25:21,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-28 20:25:21,131 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2023-11-28 20:25:21,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:25:21,132 INFO L85 PathProgramCache]: Analyzing trace with hash -2077582293, now seen corresponding path program 1 times [2023-11-28 20:25:21,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:25:21,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617699144] [2023-11-28 20:25:21,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:25:21,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:25:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:25:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-28 20:25:21,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:25:21,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617699144] [2023-11-28 20:25:21,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617699144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:25:21,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:25:21,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:25:21,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584198767] [2023-11-28 20:25:21,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:25:21,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:25:21,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:25:21,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:25:21,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:25:21,293 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1127 out of 1229 [2023-11-28 20:25:21,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1093 places, 1110 transitions, 2259 flow. Second operand has 3 states, 3 states have (on average 1128.3333333333333) internal successors, (3385), 3 states have internal predecessors, (3385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:21,296 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:25:21,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1127 of 1229 [2023-11-28 20:25:21,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:25:23,202 INFO L124 PetriNetUnfolderBase]: 461/8844 cut-off events. [2023-11-28 20:25:23,203 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-28 20:25:23,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9414 conditions, 8844 events. 461/8844 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 78051 event pairs, 0 based on Foata normal form. 1/7645 useless extension candidates. Maximal degree in co-relation 9271. Up to 526 conditions per place. [2023-11-28 20:25:23,270 INFO L140 encePairwiseOnDemand]: 1226/1229 looper letters, 48 selfloop transitions, 2 changer transitions 0/1124 dead transitions. [2023-11-28 20:25:23,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1095 places, 1124 transitions, 2387 flow [2023-11-28 20:25:23,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:25:23,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 20:25:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3432 transitions. [2023-11-28 20:25:23,277 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9308380797396257 [2023-11-28 20:25:23,277 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3432 transitions. [2023-11-28 20:25:23,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3432 transitions. [2023-11-28 20:25:23,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:25:23,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3432 transitions. [2023-11-28 20:25:23,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1144.0) internal successors, (3432), 3 states have internal predecessors, (3432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:23,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1229.0) internal successors, (4916), 4 states have internal predecessors, (4916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:23,362 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1229.0) internal successors, (4916), 4 states have internal predecessors, (4916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:23,362 INFO L175 Difference]: Start difference. First operand has 1093 places, 1110 transitions, 2259 flow. Second operand 3 states and 3432 transitions. [2023-11-28 20:25:23,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1095 places, 1124 transitions, 2387 flow [2023-11-28 20:25:23,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1093 places, 1124 transitions, 2383 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:25:23,376 INFO L231 Difference]: Finished difference. Result has 1094 places, 1110 transitions, 2263 flow [2023-11-28 20:25:23,378 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1229, PETRI_DIFFERENCE_MINUEND_FLOW=2255, PETRI_DIFFERENCE_MINUEND_PLACES=1091, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2263, PETRI_PLACES=1094, PETRI_TRANSITIONS=1110} [2023-11-28 20:25:23,379 INFO L281 CegarLoopForPetriNet]: 1139 programPoint places, -45 predicate places. [2023-11-28 20:25:23,379 INFO L495 AbstractCegarLoop]: Abstraction has has 1094 places, 1110 transitions, 2263 flow [2023-11-28 20:25:23,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1128.3333333333333) internal successors, (3385), 3 states have internal predecessors, (3385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:23,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:25:23,380 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:25:23,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-28 20:25:23,380 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting worker_fnErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2023-11-28 20:25:23,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:25:23,381 INFO L85 PathProgramCache]: Analyzing trace with hash -596608623, now seen corresponding path program 1 times [2023-11-28 20:25:23,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:25:23,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592790508] [2023-11-28 20:25:23,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:25:23,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:25:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:25:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-28 20:25:23,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:25:23,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592790508] [2023-11-28 20:25:23,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592790508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:25:23,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:25:23,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:25:23,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838862666] [2023-11-28 20:25:23,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:25:23,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:25:23,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:25:23,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:25:23,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:25:26,151 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1019 out of 1229 [2023-11-28 20:25:26,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1094 places, 1110 transitions, 2263 flow. Second operand has 6 states, 6 states have (on average 1024.3333333333333) internal successors, (6146), 6 states have internal predecessors, (6146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:26,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:25:26,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1019 of 1229 [2023-11-28 20:25:26,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 20:25:34,450 INFO L124 PetriNetUnfolderBase]: 5030/36651 cut-off events. [2023-11-28 20:25:34,450 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-11-28 20:25:34,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44758 conditions, 36651 events. 5030/36651 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 424552 event pairs, 3029 based on Foata normal form. 0/31603 useless extension candidates. Maximal degree in co-relation 44579. Up to 7667 conditions per place. [2023-11-28 20:25:34,622 INFO L140 encePairwiseOnDemand]: 1181/1229 looper letters, 199 selfloop transitions, 170 changer transitions 0/1335 dead transitions. [2023-11-28 20:25:34,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1099 places, 1335 transitions, 3451 flow [2023-11-28 20:25:34,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:25:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 20:25:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6484 transitions. [2023-11-28 20:25:34,633 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8793056685652292 [2023-11-28 20:25:34,633 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6484 transitions. [2023-11-28 20:25:34,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6484 transitions. [2023-11-28 20:25:34,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:25:34,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6484 transitions. [2023-11-28 20:25:34,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1080.6666666666667) internal successors, (6484), 6 states have internal predecessors, (6484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:34,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:34,645 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1229.0) internal successors, (8603), 7 states have internal predecessors, (8603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:34,645 INFO L175 Difference]: Start difference. First operand has 1094 places, 1110 transitions, 2263 flow. Second operand 6 states and 6484 transitions. [2023-11-28 20:25:34,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1099 places, 1335 transitions, 3451 flow [2023-11-28 20:25:34,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1097 places, 1335 transitions, 3447 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 20:25:34,664 INFO L231 Difference]: Finished difference. Result has 1102 places, 1279 transitions, 3371 flow [2023-11-28 20:25:34,666 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1229, PETRI_DIFFERENCE_MINUEND_FLOW=2259, PETRI_DIFFERENCE_MINUEND_PLACES=1092, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1063, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3371, PETRI_PLACES=1102, PETRI_TRANSITIONS=1279} [2023-11-28 20:25:34,666 INFO L281 CegarLoopForPetriNet]: 1139 programPoint places, -37 predicate places. [2023-11-28 20:25:34,666 INFO L495 AbstractCegarLoop]: Abstraction has has 1102 places, 1279 transitions, 3371 flow [2023-11-28 20:25:34,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1024.3333333333333) internal successors, (6146), 6 states have internal predecessors, (6146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:34,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:25:34,667 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:25:34,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-28 20:25:34,667 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2023-11-28 20:25:34,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:25:34,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1858074060, now seen corresponding path program 1 times [2023-11-28 20:25:34,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:25:34,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199062854] [2023-11-28 20:25:34,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:25:34,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:25:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:25:34,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:25:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:25:34,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:25:34,917 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-28 20:25:34,918 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (142 of 143 remaining) [2023-11-28 20:25:34,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (141 of 143 remaining) [2023-11-28 20:25:34,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (140 of 143 remaining) [2023-11-28 20:25:34,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (139 of 143 remaining) [2023-11-28 20:25:34,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (138 of 143 remaining) [2023-11-28 20:25:34,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (137 of 143 remaining) [2023-11-28 20:25:34,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (136 of 143 remaining) [2023-11-28 20:25:34,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (135 of 143 remaining) [2023-11-28 20:25:34,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (134 of 143 remaining) [2023-11-28 20:25:34,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (133 of 143 remaining) [2023-11-28 20:25:34,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (132 of 143 remaining) [2023-11-28 20:25:34,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (131 of 143 remaining) [2023-11-28 20:25:34,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (130 of 143 remaining) [2023-11-28 20:25:34,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (129 of 143 remaining) [2023-11-28 20:25:34,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (128 of 143 remaining) [2023-11-28 20:25:34,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (127 of 143 remaining) [2023-11-28 20:25:34,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (126 of 143 remaining) [2023-11-28 20:25:34,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (125 of 143 remaining) [2023-11-28 20:25:34,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (124 of 143 remaining) [2023-11-28 20:25:34,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (123 of 143 remaining) [2023-11-28 20:25:34,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (122 of 143 remaining) [2023-11-28 20:25:34,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (121 of 143 remaining) [2023-11-28 20:25:34,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (120 of 143 remaining) [2023-11-28 20:25:34,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (119 of 143 remaining) [2023-11-28 20:25:34,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (118 of 143 remaining) [2023-11-28 20:25:34,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (117 of 143 remaining) [2023-11-28 20:25:34,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (116 of 143 remaining) [2023-11-28 20:25:34,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (115 of 143 remaining) [2023-11-28 20:25:34,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (114 of 143 remaining) [2023-11-28 20:25:34,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (113 of 143 remaining) [2023-11-28 20:25:34,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (112 of 143 remaining) [2023-11-28 20:25:34,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (111 of 143 remaining) [2023-11-28 20:25:34,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (110 of 143 remaining) [2023-11-28 20:25:34,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (109 of 143 remaining) [2023-11-28 20:25:34,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (108 of 143 remaining) [2023-11-28 20:25:34,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (107 of 143 remaining) [2023-11-28 20:25:34,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (106 of 143 remaining) [2023-11-28 20:25:34,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (105 of 143 remaining) [2023-11-28 20:25:34,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (104 of 143 remaining) [2023-11-28 20:25:34,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (103 of 143 remaining) [2023-11-28 20:25:34,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (102 of 143 remaining) [2023-11-28 20:25:34,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (101 of 143 remaining) [2023-11-28 20:25:34,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (100 of 143 remaining) [2023-11-28 20:25:34,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (99 of 143 remaining) [2023-11-28 20:25:34,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (98 of 143 remaining) [2023-11-28 20:25:34,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (97 of 143 remaining) [2023-11-28 20:25:34,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONDATA_RACE (96 of 143 remaining) [2023-11-28 20:25:34,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONDATA_RACE (95 of 143 remaining) [2023-11-28 20:25:34,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONDATA_RACE (94 of 143 remaining) [2023-11-28 20:25:34,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONDATA_RACE (93 of 143 remaining) [2023-11-28 20:25:34,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONDATA_RACE (92 of 143 remaining) [2023-11-28 20:25:34,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONDATA_RACE (91 of 143 remaining) [2023-11-28 20:25:34,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONDATA_RACE (90 of 143 remaining) [2023-11-28 20:25:34,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONDATA_RACE (89 of 143 remaining) [2023-11-28 20:25:34,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONDATA_RACE (88 of 143 remaining) [2023-11-28 20:25:34,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (87 of 143 remaining) [2023-11-28 20:25:34,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (86 of 143 remaining) [2023-11-28 20:25:34,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (85 of 143 remaining) [2023-11-28 20:25:34,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (84 of 143 remaining) [2023-11-28 20:25:34,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (83 of 143 remaining) [2023-11-28 20:25:34,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (82 of 143 remaining) [2023-11-28 20:25:34,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (81 of 143 remaining) [2023-11-28 20:25:34,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (80 of 143 remaining) [2023-11-28 20:25:34,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (79 of 143 remaining) [2023-11-28 20:25:34,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (78 of 143 remaining) [2023-11-28 20:25:34,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (77 of 143 remaining) [2023-11-28 20:25:34,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (76 of 143 remaining) [2023-11-28 20:25:34,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (75 of 143 remaining) [2023-11-28 20:25:34,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (74 of 143 remaining) [2023-11-28 20:25:34,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (73 of 143 remaining) [2023-11-28 20:25:34,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (72 of 143 remaining) [2023-11-28 20:25:34,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (71 of 143 remaining) [2023-11-28 20:25:34,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (70 of 143 remaining) [2023-11-28 20:25:34,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (69 of 143 remaining) [2023-11-28 20:25:34,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (68 of 143 remaining) [2023-11-28 20:25:34,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (67 of 143 remaining) [2023-11-28 20:25:34,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (66 of 143 remaining) [2023-11-28 20:25:34,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (65 of 143 remaining) [2023-11-28 20:25:34,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (64 of 143 remaining) [2023-11-28 20:25:34,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (63 of 143 remaining) [2023-11-28 20:25:34,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (62 of 143 remaining) [2023-11-28 20:25:34,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (61 of 143 remaining) [2023-11-28 20:25:34,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (60 of 143 remaining) [2023-11-28 20:25:34,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (59 of 143 remaining) [2023-11-28 20:25:34,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (58 of 143 remaining) [2023-11-28 20:25:34,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (57 of 143 remaining) [2023-11-28 20:25:34,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr34ASSERT_VIOLATIONDATA_RACE (56 of 143 remaining) [2023-11-28 20:25:34,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (55 of 143 remaining) [2023-11-28 20:25:34,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr35ASSERT_VIOLATIONDATA_RACE (54 of 143 remaining) [2023-11-28 20:25:34,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (53 of 143 remaining) [2023-11-28 20:25:34,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr36ASSERT_VIOLATIONDATA_RACE (52 of 143 remaining) [2023-11-28 20:25:34,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (51 of 143 remaining) [2023-11-28 20:25:34,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr37ASSERT_VIOLATIONDATA_RACE (50 of 143 remaining) [2023-11-28 20:25:34,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr38ASSERT_VIOLATIONDATA_RACE (49 of 143 remaining) [2023-11-28 20:25:34,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr39ASSERT_VIOLATIONDATA_RACE (48 of 143 remaining) [2023-11-28 20:25:34,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr40ASSERT_VIOLATIONDATA_RACE (47 of 143 remaining) [2023-11-28 20:25:34,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr41ASSERT_VIOLATIONDATA_RACE (46 of 143 remaining) [2023-11-28 20:25:34,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr43ASSERT_VIOLATIONDATA_RACE (45 of 143 remaining) [2023-11-28 20:25:34,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr42ASSERT_VIOLATIONDATA_RACE (44 of 143 remaining) [2023-11-28 20:25:34,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (43 of 143 remaining) [2023-11-28 20:25:34,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (42 of 143 remaining) [2023-11-28 20:25:34,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (41 of 143 remaining) [2023-11-28 20:25:34,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (40 of 143 remaining) [2023-11-28 20:25:34,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (39 of 143 remaining) [2023-11-28 20:25:34,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (38 of 143 remaining) [2023-11-28 20:25:34,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (37 of 143 remaining) [2023-11-28 20:25:34,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (36 of 143 remaining) [2023-11-28 20:25:34,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (35 of 143 remaining) [2023-11-28 20:25:34,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (34 of 143 remaining) [2023-11-28 20:25:34,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (33 of 143 remaining) [2023-11-28 20:25:34,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (32 of 143 remaining) [2023-11-28 20:25:34,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (31 of 143 remaining) [2023-11-28 20:25:34,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (30 of 143 remaining) [2023-11-28 20:25:34,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (29 of 143 remaining) [2023-11-28 20:25:34,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (28 of 143 remaining) [2023-11-28 20:25:34,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (27 of 143 remaining) [2023-11-28 20:25:34,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (26 of 143 remaining) [2023-11-28 20:25:34,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (25 of 143 remaining) [2023-11-28 20:25:34,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (24 of 143 remaining) [2023-11-28 20:25:34,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (23 of 143 remaining) [2023-11-28 20:25:34,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (22 of 143 remaining) [2023-11-28 20:25:34,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (21 of 143 remaining) [2023-11-28 20:25:34,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (20 of 143 remaining) [2023-11-28 20:25:34,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (19 of 143 remaining) [2023-11-28 20:25:34,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (18 of 143 remaining) [2023-11-28 20:25:34,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (17 of 143 remaining) [2023-11-28 20:25:34,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (16 of 143 remaining) [2023-11-28 20:25:34,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (15 of 143 remaining) [2023-11-28 20:25:34,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (14 of 143 remaining) [2023-11-28 20:25:34,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (13 of 143 remaining) [2023-11-28 20:25:34,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr34ASSERT_VIOLATIONDATA_RACE (12 of 143 remaining) [2023-11-28 20:25:34,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (11 of 143 remaining) [2023-11-28 20:25:34,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr35ASSERT_VIOLATIONDATA_RACE (10 of 143 remaining) [2023-11-28 20:25:34,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (9 of 143 remaining) [2023-11-28 20:25:34,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr36ASSERT_VIOLATIONDATA_RACE (8 of 143 remaining) [2023-11-28 20:25:34,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (7 of 143 remaining) [2023-11-28 20:25:34,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr37ASSERT_VIOLATIONDATA_RACE (6 of 143 remaining) [2023-11-28 20:25:34,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr38ASSERT_VIOLATIONDATA_RACE (5 of 143 remaining) [2023-11-28 20:25:34,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr39ASSERT_VIOLATIONDATA_RACE (4 of 143 remaining) [2023-11-28 20:25:34,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr40ASSERT_VIOLATIONDATA_RACE (3 of 143 remaining) [2023-11-28 20:25:34,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr41ASSERT_VIOLATIONDATA_RACE (2 of 143 remaining) [2023-11-28 20:25:34,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr43ASSERT_VIOLATIONDATA_RACE (1 of 143 remaining) [2023-11-28 20:25:34,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr42ASSERT_VIOLATIONDATA_RACE (0 of 143 remaining) [2023-11-28 20:25:34,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-28 20:25:34,938 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:25:34,940 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-28 20:25:34,940 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-28 20:25:35,100 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-28 20:25:35,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1615 places, 1744 transitions, 3504 flow [2023-11-28 20:25:36,775 INFO L124 PetriNetUnfolderBase]: 238/2981 cut-off events. [2023-11-28 20:25:36,775 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-28 20:25:36,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2993 conditions, 2981 events. 238/2981 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 15883 event pairs, 0 based on Foata normal form. 0/2500 useless extension candidates. Maximal degree in co-relation 1814. Up to 8 conditions per place. [2023-11-28 20:25:36,904 INFO L82 GeneralOperation]: Start removeDead. Operand has 1615 places, 1744 transitions, 3504 flow [2023-11-28 20:25:36,960 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1615 places, 1744 transitions, 3504 flow [2023-11-28 20:25:36,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:25:36,962 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;@75d0f9c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:25:36,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 187 error locations. [2023-11-28 20:25:36,965 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-28 20:25:36,966 INFO L124 PetriNetUnfolderBase]: 1/53 cut-off events. [2023-11-28 20:25:36,966 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-28 20:25:36,966 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 20:25:36,966 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] [2023-11-28 20:25:36,966 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 184 more)] === [2023-11-28 20:25:36,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:25:36,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1585652206, now seen corresponding path program 1 times [2023-11-28 20:25:36,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:25:36,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263845611] [2023-11-28 20:25:36,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:25:36,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:25:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:25:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:25:37,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:25:37,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263845611] [2023-11-28 20:25:37,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263845611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:25:37,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:25:37,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:25:37,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426124062] [2023-11-28 20:25:37,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:25:37,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:25:37,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:25:37,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:25:37,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:25:38,851 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1249 out of 1744 [2023-11-28 20:25:38,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1615 places, 1744 transitions, 3504 flow. Second operand has 6 states, 6 states have (on average 1250.5) internal successors, (7503), 6 states have internal predecessors, (7503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:25:38,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 20:25:38,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1249 of 1744 [2023-11-28 20:25:38,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand