./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/mult-dist.wvr.c --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_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/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_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/mult-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/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_196c075c-8a07-4d28-826b-724a9f6be660/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 c31f1603fd15e011308b2e8fcd1cd45b23f0b00ac0b8b466c4f212460081639c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:35:44,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:35:44,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 01:35:44,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:35:44,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:35:44,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:35:44,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:35:44,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:35:44,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:35:44,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:35:44,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:35:44,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:35:44,599 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:35:44,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:35:44,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:35:44,601 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:35:44,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:35:44,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:35:44,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:35:44,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:35:44,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:35:44,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:35:44,604 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 01:35:44,605 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:35:44,605 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:35:44,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:35:44,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:35:44,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:35:44,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:35:44,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:35:44,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:35:44,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:35:44,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:35:44,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:35:44,609 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:35:44,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:35:44,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:35:44,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:35:44,611 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:35:44,611 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:35:44,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:35:44,611 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_196c075c-8a07-4d28-826b-724a9f6be660/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c31f1603fd15e011308b2e8fcd1cd45b23f0b00ac0b8b466c4f212460081639c [2023-11-29 01:35:44,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:35:44,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:35:44,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:35:44,883 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:35:44,884 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:35:44,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/mult-dist.wvr.c [2023-11-29 01:35:47,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:35:47,910 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:35:47,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/sv-benchmarks/c/weaver/mult-dist.wvr.c [2023-11-29 01:35:47,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya/data/111d6034d/d766e86695a14d9ea54238c54830975f/FLAG96726f9d9 [2023-11-29 01:35:47,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya/data/111d6034d/d766e86695a14d9ea54238c54830975f [2023-11-29 01:35:47,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:35:47,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:35:47,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:35:47,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:35:47,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:35:47,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:35:47" (1/1) ... [2023-11-29 01:35:47,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25adb3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:47, skipping insertion in model container [2023-11-29 01:35:47,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:35:47" (1/1) ... [2023-11-29 01:35:47,967 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:35:48,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:35:48,146 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:35:48,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:35:48,185 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:35:48,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:48 WrapperNode [2023-11-29 01:35:48,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:35:48,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:35:48,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:35:48,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:35:48,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:48" (1/1) ... [2023-11-29 01:35:48,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:48" (1/1) ... [2023-11-29 01:35:48,227 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-29 01:35:48,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:35:48,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:35:48,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:35:48,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:35:48,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:48" (1/1) ... [2023-11-29 01:35:48,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:48" (1/1) ... [2023-11-29 01:35:48,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:48" (1/1) ... [2023-11-29 01:35:48,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:48" (1/1) ... [2023-11-29 01:35:48,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:48" (1/1) ... [2023-11-29 01:35:48,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:48" (1/1) ... [2023-11-29 01:35:48,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:48" (1/1) ... [2023-11-29 01:35:48,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:48" (1/1) ... [2023-11-29 01:35:48,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:35:48,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:35:48,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:35:48,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:35:48,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:48" (1/1) ... [2023-11-29 01:35:48,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:35:48,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:35:48,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:35:48,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:35:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:35:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 01:35:48,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 01:35:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 01:35:48,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 01:35:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 01:35:48,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 01:35:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 01:35:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:35:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 01:35:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:35:48,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:35:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 01:35:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:35:48,326 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 01:35:48,438 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:35:48,441 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:35:48,758 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:35:48,773 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:35:48,774 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 01:35:48,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:35:48 BoogieIcfgContainer [2023-11-29 01:35:48,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:35:48,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:35:48,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:35:48,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:35:48,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:35:47" (1/3) ... [2023-11-29 01:35:48,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a52f585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:35:48, skipping insertion in model container [2023-11-29 01:35:48,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:35:48" (2/3) ... [2023-11-29 01:35:48,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a52f585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:35:48, skipping insertion in model container [2023-11-29 01:35:48,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:35:48" (3/3) ... [2023-11-29 01:35:48,786 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.c [2023-11-29 01:35:48,795 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 01:35:48,806 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:35:48,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-29 01:35:48,807 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 01:35:48,897 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 01:35:48,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 204 places, 201 transitions, 423 flow [2023-11-29 01:35:49,021 INFO L124 PetriNetUnfolderBase]: 7/198 cut-off events. [2023-11-29 01:35:49,022 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 01:35:49,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 198 events. 7/198 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 299 event pairs, 0 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2023-11-29 01:35:49,029 INFO L82 GeneralOperation]: Start removeDead. Operand has 204 places, 201 transitions, 423 flow [2023-11-29 01:35:49,035 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 179 places, 175 transitions, 368 flow [2023-11-29 01:35:49,044 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:35:49,050 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;@3c032b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:35:49,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-11-29 01:35:49,056 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 01:35:49,056 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-29 01:35:49,056 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:35:49,056 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:49,057 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] [2023-11-29 01:35:49,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:49,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:49,062 INFO L85 PathProgramCache]: Analyzing trace with hash -728342709, now seen corresponding path program 1 times [2023-11-29 01:35:49,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:49,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582309090] [2023-11-29 01:35:49,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:49,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:49,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:49,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582309090] [2023-11-29 01:35:49,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582309090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:49,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:49,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:35:49,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878779611] [2023-11-29 01:35:49,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:49,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:35:49,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:49,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:35:49,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:35:49,317 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 201 [2023-11-29 01:35:49,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 175 transitions, 368 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:49,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 201 [2023-11-29 01:35:49,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:49,412 INFO L124 PetriNetUnfolderBase]: 11/266 cut-off events. [2023-11-29 01:35:49,413 INFO L125 PetriNetUnfolderBase]: For 20/23 co-relation queries the response was YES. [2023-11-29 01:35:49,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 266 events. 11/266 cut-off events. For 20/23 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 835 event pairs, 5 based on Foata normal form. 8/232 useless extension candidates. Maximal degree in co-relation 195. Up to 25 conditions per place. [2023-11-29 01:35:49,419 INFO L140 encePairwiseOnDemand]: 195/201 looper letters, 11 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2023-11-29 01:35:49,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 171 transitions, 386 flow [2023-11-29 01:35:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:49,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2023-11-29 01:35:49,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286898839137645 [2023-11-29 01:35:49,435 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2023-11-29 01:35:49,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2023-11-29 01:35:49,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:49,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2023-11-29 01:35:49,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,454 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,456 INFO L175 Difference]: Start difference. First operand has 179 places, 175 transitions, 368 flow. Second operand 3 states and 560 transitions. [2023-11-29 01:35:49,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 171 transitions, 386 flow [2023-11-29 01:35:49,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 171 transitions, 374 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 01:35:49,465 INFO L231 Difference]: Finished difference. Result has 174 places, 171 transitions, 352 flow [2023-11-29 01:35:49,467 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=174, PETRI_TRANSITIONS=171} [2023-11-29 01:35:49,470 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -5 predicate places. [2023-11-29 01:35:49,470 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 171 transitions, 352 flow [2023-11-29 01:35:49,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,471 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:49,471 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] [2023-11-29 01:35:49,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:35:49,472 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:49,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:49,473 INFO L85 PathProgramCache]: Analyzing trace with hash -448231644, now seen corresponding path program 1 times [2023-11-29 01:35:49,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:49,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020556600] [2023-11-29 01:35:49,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:49,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:49,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:49,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:49,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020556600] [2023-11-29 01:35:49,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020556600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:49,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:49,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:35:49,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554947832] [2023-11-29 01:35:49,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:49,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:35:49,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:49,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:35:49,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:35:49,571 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 201 [2023-11-29 01:35:49,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 171 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:49,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 201 [2023-11-29 01:35:49,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:49,640 INFO L124 PetriNetUnfolderBase]: 17/331 cut-off events. [2023-11-29 01:35:49,640 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 01:35:49,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 331 events. 17/331 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1090 event pairs, 7 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 343. Up to 32 conditions per place. [2023-11-29 01:35:49,646 INFO L140 encePairwiseOnDemand]: 198/201 looper letters, 11 selfloop transitions, 2 changer transitions 0/170 dead transitions. [2023-11-29 01:35:49,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 170 transitions, 376 flow [2023-11-29 01:35:49,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:49,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions. [2023-11-29 01:35:49,650 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9237147595356551 [2023-11-29 01:35:49,650 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 557 transitions. [2023-11-29 01:35:49,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 557 transitions. [2023-11-29 01:35:49,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:49,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 557 transitions. [2023-11-29 01:35:49,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,657 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,657 INFO L175 Difference]: Start difference. First operand has 174 places, 171 transitions, 352 flow. Second operand 3 states and 557 transitions. [2023-11-29 01:35:49,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 170 transitions, 376 flow [2023-11-29 01:35:49,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 170 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:35:49,664 INFO L231 Difference]: Finished difference. Result has 173 places, 170 transitions, 350 flow [2023-11-29 01:35:49,664 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=173, PETRI_TRANSITIONS=170} [2023-11-29 01:35:49,665 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -6 predicate places. [2023-11-29 01:35:49,665 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 170 transitions, 350 flow [2023-11-29 01:35:49,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,666 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:49,667 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] [2023-11-29 01:35:49,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:35:49,667 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:49,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:49,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1849728135, now seen corresponding path program 1 times [2023-11-29 01:35:49,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:49,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123953372] [2023-11-29 01:35:49,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:49,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:49,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:49,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123953372] [2023-11-29 01:35:49,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123953372] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:49,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:49,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:35:49,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174057430] [2023-11-29 01:35:49,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:49,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:35:49,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:49,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:35:49,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:35:49,777 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 201 [2023-11-29 01:35:49,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 170 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:49,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 201 [2023-11-29 01:35:49,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:49,841 INFO L124 PetriNetUnfolderBase]: 22/365 cut-off events. [2023-11-29 01:35:49,842 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 01:35:49,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 365 events. 22/365 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1551 event pairs, 15 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 381. Up to 40 conditions per place. [2023-11-29 01:35:49,846 INFO L140 encePairwiseOnDemand]: 198/201 looper letters, 12 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2023-11-29 01:35:49,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 169 transitions, 376 flow [2023-11-29 01:35:49,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:49,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:49,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2023-11-29 01:35:49,849 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9203980099502488 [2023-11-29 01:35:49,849 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 555 transitions. [2023-11-29 01:35:49,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 555 transitions. [2023-11-29 01:35:49,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:49,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 555 transitions. [2023-11-29 01:35:49,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,855 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,855 INFO L175 Difference]: Start difference. First operand has 173 places, 170 transitions, 350 flow. Second operand 3 states and 555 transitions. [2023-11-29 01:35:49,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 169 transitions, 376 flow [2023-11-29 01:35:49,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 169 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:35:49,859 INFO L231 Difference]: Finished difference. Result has 172 places, 169 transitions, 348 flow [2023-11-29 01:35:49,860 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=172, PETRI_TRANSITIONS=169} [2023-11-29 01:35:49,860 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -7 predicate places. [2023-11-29 01:35:49,861 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 169 transitions, 348 flow [2023-11-29 01:35:49,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:49,862 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:35:49,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:35:49,862 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:49,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:49,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1539662491, now seen corresponding path program 1 times [2023-11-29 01:35:49,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:49,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883246131] [2023-11-29 01:35:49,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:49,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:49,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:49,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:49,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883246131] [2023-11-29 01:35:49,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883246131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:49,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:49,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:35:49,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123568402] [2023-11-29 01:35:49,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:49,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:35:49,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:49,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:35:49,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:35:49,940 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-29 01:35:49,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 169 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:49,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:49,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-29 01:35:49,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:50,008 INFO L124 PetriNetUnfolderBase]: 24/409 cut-off events. [2023-11-29 01:35:50,008 INFO L125 PetriNetUnfolderBase]: For 7/17 co-relation queries the response was YES. [2023-11-29 01:35:50,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 409 events. 24/409 cut-off events. For 7/17 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1748 event pairs, 8 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 421. Up to 40 conditions per place. [2023-11-29 01:35:50,012 INFO L140 encePairwiseOnDemand]: 197/201 looper letters, 13 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2023-11-29 01:35:50,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 171 transitions, 384 flow [2023-11-29 01:35:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:50,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:50,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 566 transitions. [2023-11-29 01:35:50,014 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9386401326699834 [2023-11-29 01:35:50,014 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 566 transitions. [2023-11-29 01:35:50,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 566 transitions. [2023-11-29 01:35:50,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:50,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 566 transitions. [2023-11-29 01:35:50,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,019 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,019 INFO L175 Difference]: Start difference. First operand has 172 places, 169 transitions, 348 flow. Second operand 3 states and 566 transitions. [2023-11-29 01:35:50,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 171 transitions, 384 flow [2023-11-29 01:35:50,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 171 transitions, 380 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:35:50,022 INFO L231 Difference]: Finished difference. Result has 171 places, 169 transitions, 354 flow [2023-11-29 01:35:50,023 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=171, PETRI_TRANSITIONS=169} [2023-11-29 01:35:50,024 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -8 predicate places. [2023-11-29 01:35:50,024 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 169 transitions, 354 flow [2023-11-29 01:35:50,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,025 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:50,025 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] [2023-11-29 01:35:50,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:35:50,025 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:50,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:50,026 INFO L85 PathProgramCache]: Analyzing trace with hash -2129049614, now seen corresponding path program 1 times [2023-11-29 01:35:50,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:50,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915959607] [2023-11-29 01:35:50,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:50,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:50,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:50,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:50,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915959607] [2023-11-29 01:35:50,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915959607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:50,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:50,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:35:50,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589992941] [2023-11-29 01:35:50,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:50,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:35:50,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:50,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:35:50,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:35:50,096 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-29 01:35:50,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 169 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:50,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-29 01:35:50,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:50,149 INFO L124 PetriNetUnfolderBase]: 16/247 cut-off events. [2023-11-29 01:35:50,149 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2023-11-29 01:35:50,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 247 events. 16/247 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 778 event pairs, 2 based on Foata normal form. 1/219 useless extension candidates. Maximal degree in co-relation 215. Up to 14 conditions per place. [2023-11-29 01:35:50,152 INFO L140 encePairwiseOnDemand]: 196/201 looper letters, 10 selfloop transitions, 3 changer transitions 0/169 dead transitions. [2023-11-29 01:35:50,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 169 transitions, 382 flow [2023-11-29 01:35:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:50,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2023-11-29 01:35:50,155 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2023-11-29 01:35:50,156 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 564 transitions. [2023-11-29 01:35:50,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 564 transitions. [2023-11-29 01:35:50,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:50,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 564 transitions. [2023-11-29 01:35:50,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,161 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,161 INFO L175 Difference]: Start difference. First operand has 171 places, 169 transitions, 354 flow. Second operand 3 states and 564 transitions. [2023-11-29 01:35:50,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 169 transitions, 382 flow [2023-11-29 01:35:50,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 169 transitions, 382 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 01:35:50,165 INFO L231 Difference]: Finished difference. Result has 171 places, 167 transitions, 356 flow [2023-11-29 01:35:50,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=171, PETRI_TRANSITIONS=167} [2023-11-29 01:35:50,167 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -8 predicate places. [2023-11-29 01:35:50,167 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 167 transitions, 356 flow [2023-11-29 01:35:50,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:50,168 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] [2023-11-29 01:35:50,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 01:35:50,168 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:50,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:50,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1612230988, now seen corresponding path program 1 times [2023-11-29 01:35:50,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:50,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635488233] [2023-11-29 01:35:50,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:50,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:50,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:50,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:50,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635488233] [2023-11-29 01:35:50,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635488233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:50,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:50,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:35:50,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298226767] [2023-11-29 01:35:50,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:50,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:35:50,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:50,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:35:50,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:35:50,235 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 201 [2023-11-29 01:35:50,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 167 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:50,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 201 [2023-11-29 01:35:50,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:50,423 INFO L124 PetriNetUnfolderBase]: 121/1035 cut-off events. [2023-11-29 01:35:50,423 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2023-11-29 01:35:50,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1272 conditions, 1035 events. 121/1035 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 7121 event pairs, 32 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 1076. Up to 166 conditions per place. [2023-11-29 01:35:50,438 INFO L140 encePairwiseOnDemand]: 195/201 looper letters, 18 selfloop transitions, 3 changer transitions 0/172 dead transitions. [2023-11-29 01:35:50,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 172 transitions, 413 flow [2023-11-29 01:35:50,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:50,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:50,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2023-11-29 01:35:50,441 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2023-11-29 01:35:50,441 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 564 transitions. [2023-11-29 01:35:50,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 564 transitions. [2023-11-29 01:35:50,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:50,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 564 transitions. [2023-11-29 01:35:50,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,448 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,449 INFO L175 Difference]: Start difference. First operand has 171 places, 167 transitions, 356 flow. Second operand 3 states and 564 transitions. [2023-11-29 01:35:50,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 172 transitions, 413 flow [2023-11-29 01:35:50,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 172 transitions, 407 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:35:50,454 INFO L231 Difference]: Finished difference. Result has 169 places, 167 transitions, 365 flow [2023-11-29 01:35:50,455 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=365, PETRI_PLACES=169, PETRI_TRANSITIONS=167} [2023-11-29 01:35:50,456 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -10 predicate places. [2023-11-29 01:35:50,456 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 167 transitions, 365 flow [2023-11-29 01:35:50,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,457 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:50,457 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:35:50,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 01:35:50,458 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:50,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:50,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1361812826, now seen corresponding path program 1 times [2023-11-29 01:35:50,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:50,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314262475] [2023-11-29 01:35:50,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:50,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:50,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:50,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314262475] [2023-11-29 01:35:50,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314262475] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:50,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:50,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:35:50,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794865000] [2023-11-29 01:35:50,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:50,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:35:50,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:50,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:35:50,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:35:50,521 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-29 01:35:50,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 167 transitions, 365 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:50,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-29 01:35:50,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:50,632 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][116], [235#(= |#race~b~0| 0), 221#(= |#race~a~0| 0), 70#L41-2true, Black: 228#true, 41#L74-4true, 230#(= |#race~c~0| 0), 121#L49-3true, 150#L57-4true, Black: 219#true]) [2023-11-29 01:35:50,633 INFO L294 olderBase$Statistics]: this new event has 83 ancestors and is cut-off event [2023-11-29 01:35:50,633 INFO L297 olderBase$Statistics]: existing Event has 96 ancestors and is cut-off event [2023-11-29 01:35:50,633 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-29 01:35:50,633 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-29 01:35:50,686 INFO L124 PetriNetUnfolderBase]: 131/987 cut-off events. [2023-11-29 01:35:50,686 INFO L125 PetriNetUnfolderBase]: For 30/53 co-relation queries the response was YES. [2023-11-29 01:35:50,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1268 conditions, 987 events. 131/987 cut-off events. For 30/53 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 6936 event pairs, 42 based on Foata normal form. 0/852 useless extension candidates. Maximal degree in co-relation 999. Up to 151 conditions per place. [2023-11-29 01:35:50,699 INFO L140 encePairwiseOnDemand]: 197/201 looper letters, 13 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2023-11-29 01:35:50,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 169 transitions, 401 flow [2023-11-29 01:35:50,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:50,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:50,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 566 transitions. [2023-11-29 01:35:50,702 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9386401326699834 [2023-11-29 01:35:50,702 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 566 transitions. [2023-11-29 01:35:50,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 566 transitions. [2023-11-29 01:35:50,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:50,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 566 transitions. [2023-11-29 01:35:50,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,708 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,708 INFO L175 Difference]: Start difference. First operand has 169 places, 167 transitions, 365 flow. Second operand 3 states and 566 transitions. [2023-11-29 01:35:50,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 169 transitions, 401 flow [2023-11-29 01:35:50,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 169 transitions, 401 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 01:35:50,730 INFO L231 Difference]: Finished difference. Result has 170 places, 167 transitions, 375 flow [2023-11-29 01:35:50,731 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=375, PETRI_PLACES=170, PETRI_TRANSITIONS=167} [2023-11-29 01:35:50,731 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -9 predicate places. [2023-11-29 01:35:50,732 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 167 transitions, 375 flow [2023-11-29 01:35:50,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,732 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:50,732 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] [2023-11-29 01:35:50,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 01:35:50,733 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:50,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:50,733 INFO L85 PathProgramCache]: Analyzing trace with hash -494687049, now seen corresponding path program 1 times [2023-11-29 01:35:50,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:50,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556960433] [2023-11-29 01:35:50,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:50,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:50,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:50,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:50,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556960433] [2023-11-29 01:35:50,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556960433] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:50,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:50,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:35:50,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813408441] [2023-11-29 01:35:50,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:50,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:35:50,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:50,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:35:50,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:35:50,792 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-29 01:35:50,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 167 transitions, 375 flow. Second operand has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:50,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-29 01:35:50,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:50,862 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][102], [146#L49-2true, 235#(= |#race~b~0| 0), Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 238#true, 230#(= |#race~c~0| 0), Black: 233#true, 150#L57-4true, Black: 219#true]) [2023-11-29 01:35:50,862 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 01:35:50,862 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:50,863 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:50,863 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-29 01:35:50,895 INFO L124 PetriNetUnfolderBase]: 73/608 cut-off events. [2023-11-29 01:35:50,895 INFO L125 PetriNetUnfolderBase]: For 19/23 co-relation queries the response was YES. [2023-11-29 01:35:50,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 797 conditions, 608 events. 73/608 cut-off events. For 19/23 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3356 event pairs, 10 based on Foata normal form. 0/542 useless extension candidates. Maximal degree in co-relation 627. Up to 42 conditions per place. [2023-11-29 01:35:50,902 INFO L140 encePairwiseOnDemand]: 196/201 looper letters, 10 selfloop transitions, 3 changer transitions 0/167 dead transitions. [2023-11-29 01:35:50,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 167 transitions, 403 flow [2023-11-29 01:35:50,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:50,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:50,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2023-11-29 01:35:50,905 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2023-11-29 01:35:50,905 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 564 transitions. [2023-11-29 01:35:50,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 564 transitions. [2023-11-29 01:35:50,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:50,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 564 transitions. [2023-11-29 01:35:50,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,910 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,910 INFO L175 Difference]: Start difference. First operand has 170 places, 167 transitions, 375 flow. Second operand 3 states and 564 transitions. [2023-11-29 01:35:50,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 167 transitions, 403 flow [2023-11-29 01:35:50,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 167 transitions, 403 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 01:35:50,915 INFO L231 Difference]: Finished difference. Result has 170 places, 165 transitions, 377 flow [2023-11-29 01:35:50,915 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=377, PETRI_PLACES=170, PETRI_TRANSITIONS=165} [2023-11-29 01:35:50,916 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -9 predicate places. [2023-11-29 01:35:50,916 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 165 transitions, 377 flow [2023-11-29 01:35:50,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,916 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:50,916 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] [2023-11-29 01:35:50,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 01:35:50,917 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:50,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:50,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1437014025, now seen corresponding path program 1 times [2023-11-29 01:35:50,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:50,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950521611] [2023-11-29 01:35:50,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:50,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:50,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:50,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950521611] [2023-11-29 01:35:50,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950521611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:50,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:50,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:35:50,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045402221] [2023-11-29 01:35:50,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:50,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:35:50,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:50,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:35:50,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:35:50,982 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-29 01:35:50,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 165 transitions, 377 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:50,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-29 01:35:50,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:51,057 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][102], [146#L49-2true, 235#(= |#race~b~0| 0), 41#L74-4true, 221#(= |#race~a~0| 0), 70#L41-2true, Black: 228#true, 242#true, 238#true, 230#(= |#race~c~0| 0), Black: 233#true, Black: 219#true, 150#L57-4true]) [2023-11-29 01:35:51,058 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 01:35:51,058 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:51,058 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:51,058 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-29 01:35:51,069 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([459] L49-8-->L49-2: Formula: (= |v_#race~b~0_1| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_1|} AuxVars[] AssignedVars[#race~b~0][107], [146#L49-2true, 235#(= |#race~b~0| 0), 41#L74-4true, Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 242#true, 238#true, 230#(= |#race~c~0| 0), Black: 233#true, 150#L57-4true, Black: 219#true]) [2023-11-29 01:35:51,069 INFO L294 olderBase$Statistics]: this new event has 97 ancestors and is cut-off event [2023-11-29 01:35:51,069 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:51,070 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:51,070 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-29 01:35:51,084 INFO L124 PetriNetUnfolderBase]: 64/565 cut-off events. [2023-11-29 01:35:51,084 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2023-11-29 01:35:51,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 749 conditions, 565 events. 64/565 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3041 event pairs, 13 based on Foata normal form. 0/504 useless extension candidates. Maximal degree in co-relation 561. Up to 40 conditions per place. [2023-11-29 01:35:51,091 INFO L140 encePairwiseOnDemand]: 198/201 looper letters, 12 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2023-11-29 01:35:51,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 166 transitions, 409 flow [2023-11-29 01:35:51,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:51,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:51,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2023-11-29 01:35:51,094 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2023-11-29 01:35:51,094 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 564 transitions. [2023-11-29 01:35:51,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 564 transitions. [2023-11-29 01:35:51,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:51,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 564 transitions. [2023-11-29 01:35:51,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:51,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:51,099 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:51,099 INFO L175 Difference]: Start difference. First operand has 170 places, 165 transitions, 377 flow. Second operand 3 states and 564 transitions. [2023-11-29 01:35:51,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 166 transitions, 409 flow [2023-11-29 01:35:51,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 166 transitions, 403 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:35:51,104 INFO L231 Difference]: Finished difference. Result has 169 places, 164 transitions, 373 flow [2023-11-29 01:35:51,104 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=373, PETRI_PLACES=169, PETRI_TRANSITIONS=164} [2023-11-29 01:35:51,105 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -10 predicate places. [2023-11-29 01:35:51,105 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 164 transitions, 373 flow [2023-11-29 01:35:51,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:51,106 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:51,106 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] [2023-11-29 01:35:51,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 01:35:51,106 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:51,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:51,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1502839108, now seen corresponding path program 1 times [2023-11-29 01:35:51,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:51,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834522060] [2023-11-29 01:35:51,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:51,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:51,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:51,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834522060] [2023-11-29 01:35:51,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834522060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:51,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:51,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:35:51,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879307232] [2023-11-29 01:35:51,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:51,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:35:51,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:51,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:35:51,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:35:51,173 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-29 01:35:51,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 164 transitions, 373 flow. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:51,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:51,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-29 01:35:51,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:51,263 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [146#L49-2true, 235#(= |#race~b~0| 0), Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 242#true, 230#(= |#race~c~0| 0), 246#true, Black: 233#true, Black: 219#true, 150#L57-4true]) [2023-11-29 01:35:51,264 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 01:35:51,264 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:51,264 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-29 01:35:51,264 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:51,302 INFO L124 PetriNetUnfolderBase]: 81/590 cut-off events. [2023-11-29 01:35:51,303 INFO L125 PetriNetUnfolderBase]: For 24/29 co-relation queries the response was YES. [2023-11-29 01:35:51,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 809 conditions, 590 events. 81/590 cut-off events. For 24/29 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3254 event pairs, 19 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 688. Up to 59 conditions per place. [2023-11-29 01:35:51,311 INFO L140 encePairwiseOnDemand]: 198/201 looper letters, 12 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2023-11-29 01:35:51,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 165 transitions, 405 flow [2023-11-29 01:35:51,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2023-11-29 01:35:51,314 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2023-11-29 01:35:51,314 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 564 transitions. [2023-11-29 01:35:51,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 564 transitions. [2023-11-29 01:35:51,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:51,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 564 transitions. [2023-11-29 01:35:51,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:51,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:51,320 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:51,320 INFO L175 Difference]: Start difference. First operand has 169 places, 164 transitions, 373 flow. Second operand 3 states and 564 transitions. [2023-11-29 01:35:51,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 165 transitions, 405 flow [2023-11-29 01:35:51,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 165 transitions, 401 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:35:51,325 INFO L231 Difference]: Finished difference. Result has 168 places, 163 transitions, 371 flow [2023-11-29 01:35:51,326 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=371, PETRI_PLACES=168, PETRI_TRANSITIONS=163} [2023-11-29 01:35:51,327 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -11 predicate places. [2023-11-29 01:35:51,327 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 163 transitions, 371 flow [2023-11-29 01:35:51,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:51,328 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:51,328 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] [2023-11-29 01:35:51,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 01:35:51,328 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:51,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:51,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1863851744, now seen corresponding path program 1 times [2023-11-29 01:35:51,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:51,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91831253] [2023-11-29 01:35:51,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:51,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:51,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:51,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91831253] [2023-11-29 01:35:51,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91831253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:51,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:51,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:35:51,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580164338] [2023-11-29 01:35:51,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:51,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:35:51,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:51,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:35:51,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:35:51,971 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 201 [2023-11-29 01:35:51,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 163 transitions, 371 flow. Second operand has 6 states, 6 states have (on average 181.66666666666666) internal successors, (1090), 6 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:51,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:51,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 201 [2023-11-29 01:35:51,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:52,028 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [146#L49-2true, 235#(= |#race~b~0| 0), Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 250#true, 246#true, 230#(= |#race~c~0| 0), Black: 233#true, Black: 219#true, 150#L57-4true]) [2023-11-29 01:35:52,028 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 01:35:52,028 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:52,028 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-29 01:35:52,029 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:52,041 INFO L124 PetriNetUnfolderBase]: 44/453 cut-off events. [2023-11-29 01:35:52,041 INFO L125 PetriNetUnfolderBase]: For 7/14 co-relation queries the response was YES. [2023-11-29 01:35:52,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 453 events. 44/453 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2151 event pairs, 5 based on Foata normal form. 4/411 useless extension candidates. Maximal degree in co-relation 462. Up to 31 conditions per place. [2023-11-29 01:35:52,045 INFO L140 encePairwiseOnDemand]: 196/201 looper letters, 9 selfloop transitions, 4 changer transitions 0/162 dead transitions. [2023-11-29 01:35:52,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 162 transitions, 395 flow [2023-11-29 01:35:52,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:35:52,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:35:52,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1094 transitions. [2023-11-29 01:35:52,050 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9071310116086235 [2023-11-29 01:35:52,050 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1094 transitions. [2023-11-29 01:35:52,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1094 transitions. [2023-11-29 01:35:52,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:52,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1094 transitions. [2023-11-29 01:35:52,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.33333333333334) internal successors, (1094), 6 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,056 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,057 INFO L175 Difference]: Start difference. First operand has 168 places, 163 transitions, 371 flow. Second operand 6 states and 1094 transitions. [2023-11-29 01:35:52,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 162 transitions, 395 flow [2023-11-29 01:35:52,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 162 transitions, 391 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:35:52,061 INFO L231 Difference]: Finished difference. Result has 170 places, 162 transitions, 373 flow [2023-11-29 01:35:52,061 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=373, PETRI_PLACES=170, PETRI_TRANSITIONS=162} [2023-11-29 01:35:52,061 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -9 predicate places. [2023-11-29 01:35:52,062 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 162 transitions, 373 flow [2023-11-29 01:35:52,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.66666666666666) internal successors, (1090), 6 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,062 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:52,062 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] [2023-11-29 01:35:52,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 01:35:52,063 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:52,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:52,063 INFO L85 PathProgramCache]: Analyzing trace with hash 684508002, now seen corresponding path program 1 times [2023-11-29 01:35:52,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:52,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613123582] [2023-11-29 01:35:52,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:52,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:52,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:52,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613123582] [2023-11-29 01:35:52,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613123582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:52,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:52,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:35:52,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613730075] [2023-11-29 01:35:52,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:52,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:35:52,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:52,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:35:52,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:35:52,107 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-29 01:35:52,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 162 transitions, 373 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:52,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-29 01:35:52,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:52,158 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [146#L49-2true, 235#(= |#race~b~0| 0), 250#true, Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 257#true, 230#(= |#race~c~0| 0), Black: 233#true, Black: 219#true, 150#L57-4true]) [2023-11-29 01:35:52,158 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 01:35:52,158 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:52,158 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:52,158 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-29 01:35:52,186 INFO L124 PetriNetUnfolderBase]: 71/550 cut-off events. [2023-11-29 01:35:52,186 INFO L125 PetriNetUnfolderBase]: For 24/27 co-relation queries the response was YES. [2023-11-29 01:35:52,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 747 conditions, 550 events. 71/550 cut-off events. For 24/27 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2895 event pairs, 8 based on Foata normal form. 3/507 useless extension candidates. Maximal degree in co-relation 670. Up to 49 conditions per place. [2023-11-29 01:35:52,191 INFO L140 encePairwiseOnDemand]: 196/201 looper letters, 8 selfloop transitions, 2 changer transitions 7/162 dead transitions. [2023-11-29 01:35:52,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 162 transitions, 399 flow [2023-11-29 01:35:52,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:52,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2023-11-29 01:35:52,194 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9336650082918739 [2023-11-29 01:35:52,194 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 563 transitions. [2023-11-29 01:35:52,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 563 transitions. [2023-11-29 01:35:52,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:52,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 563 transitions. [2023-11-29 01:35:52,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,198 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,198 INFO L175 Difference]: Start difference. First operand has 170 places, 162 transitions, 373 flow. Second operand 3 states and 563 transitions. [2023-11-29 01:35:52,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 162 transitions, 399 flow [2023-11-29 01:35:52,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 162 transitions, 392 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 01:35:52,202 INFO L231 Difference]: Finished difference. Result has 166 places, 153 transitions, 351 flow [2023-11-29 01:35:52,202 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=166, PETRI_TRANSITIONS=153} [2023-11-29 01:35:52,203 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -13 predicate places. [2023-11-29 01:35:52,203 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 153 transitions, 351 flow [2023-11-29 01:35:52,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,204 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:52,204 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] [2023-11-29 01:35:52,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 01:35:52,204 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:52,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:52,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1543930873, now seen corresponding path program 1 times [2023-11-29 01:35:52,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:52,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235076980] [2023-11-29 01:35:52,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:52,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:52,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:52,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235076980] [2023-11-29 01:35:52,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235076980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:52,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:52,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:35:52,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347117472] [2023-11-29 01:35:52,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:52,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:35:52,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:52,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:35:52,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:35:52,263 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-29 01:35:52,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 153 transitions, 351 flow. Second operand has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:52,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-29 01:35:52,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:52,318 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [146#L49-2true, 235#(= |#race~b~0| 0), Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 257#true, 230#(= |#race~c~0| 0), Black: 233#true, 150#L57-4true, Black: 219#true, 261#true]) [2023-11-29 01:35:52,318 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 01:35:52,319 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:52,319 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:52,319 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-29 01:35:52,342 INFO L124 PetriNetUnfolderBase]: 69/546 cut-off events. [2023-11-29 01:35:52,342 INFO L125 PetriNetUnfolderBase]: For 43/46 co-relation queries the response was YES. [2023-11-29 01:35:52,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 773 conditions, 546 events. 69/546 cut-off events. For 43/46 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2864 event pairs, 17 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 699. Up to 59 conditions per place. [2023-11-29 01:35:52,346 INFO L140 encePairwiseOnDemand]: 198/201 looper letters, 10 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2023-11-29 01:35:52,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 154 transitions, 379 flow [2023-11-29 01:35:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:52,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2023-11-29 01:35:52,349 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9320066334991708 [2023-11-29 01:35:52,349 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2023-11-29 01:35:52,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2023-11-29 01:35:52,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:52,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2023-11-29 01:35:52,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,353 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,353 INFO L175 Difference]: Start difference. First operand has 166 places, 153 transitions, 351 flow. Second operand 3 states and 562 transitions. [2023-11-29 01:35:52,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 154 transitions, 379 flow [2023-11-29 01:35:52,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 154 transitions, 375 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:35:52,357 INFO L231 Difference]: Finished difference. Result has 158 places, 152 transitions, 349 flow [2023-11-29 01:35:52,358 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=349, PETRI_PLACES=158, PETRI_TRANSITIONS=152} [2023-11-29 01:35:52,358 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -21 predicate places. [2023-11-29 01:35:52,358 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 152 transitions, 349 flow [2023-11-29 01:35:52,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,359 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:52,359 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] [2023-11-29 01:35:52,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 01:35:52,359 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:52,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:52,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1433959620, now seen corresponding path program 1 times [2023-11-29 01:35:52,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:52,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901397913] [2023-11-29 01:35:52,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:52,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:52,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:52,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:52,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901397913] [2023-11-29 01:35:52,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901397913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:52,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:52,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:35:52,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039661948] [2023-11-29 01:35:52,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:52,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:35:52,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:52,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:35:52,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:35:52,937 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 201 [2023-11-29 01:35:52,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 152 transitions, 349 flow. Second operand has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:52,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:52,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 201 [2023-11-29 01:35:52,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:52,988 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [146#L49-2true, 265#true, 235#(= |#race~b~0| 0), Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 230#(= |#race~c~0| 0), Black: 233#true, Black: 219#true, 150#L57-4true, 261#true]) [2023-11-29 01:35:52,988 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 01:35:52,988 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:52,988 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-29 01:35:52,988 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:53,000 INFO L124 PetriNetUnfolderBase]: 44/419 cut-off events. [2023-11-29 01:35:53,000 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2023-11-29 01:35:53,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 419 events. 44/419 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1943 event pairs, 5 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 476. Up to 31 conditions per place. [2023-11-29 01:35:53,004 INFO L140 encePairwiseOnDemand]: 196/201 looper letters, 8 selfloop transitions, 4 changer transitions 0/151 dead transitions. [2023-11-29 01:35:53,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 151 transitions, 371 flow [2023-11-29 01:35:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:35:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:35:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1093 transitions. [2023-11-29 01:35:53,008 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.906301824212272 [2023-11-29 01:35:53,008 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1093 transitions. [2023-11-29 01:35:53,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1093 transitions. [2023-11-29 01:35:53,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:53,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1093 transitions. [2023-11-29 01:35:53,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:53,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:53,015 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:53,015 INFO L175 Difference]: Start difference. First operand has 158 places, 152 transitions, 349 flow. Second operand 6 states and 1093 transitions. [2023-11-29 01:35:53,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 151 transitions, 371 flow [2023-11-29 01:35:53,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 151 transitions, 367 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:35:53,018 INFO L231 Difference]: Finished difference. Result has 160 places, 151 transitions, 351 flow [2023-11-29 01:35:53,019 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=343, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=351, PETRI_PLACES=160, PETRI_TRANSITIONS=151} [2023-11-29 01:35:53,019 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -19 predicate places. [2023-11-29 01:35:53,020 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 151 transitions, 351 flow [2023-11-29 01:35:53,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:53,020 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:53,020 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:35:53,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 01:35:53,021 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 01:35:53,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:53,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1734919865, now seen corresponding path program 1 times [2023-11-29 01:35:53,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:53,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895602938] [2023-11-29 01:35:53,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:53,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:53,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:53,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:53,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895602938] [2023-11-29 01:35:53,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895602938] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:53,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:53,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:35:53,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907789970] [2023-11-29 01:35:53,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:53,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:35:53,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:53,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:35:53,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:35:53,583 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 201 [2023-11-29 01:35:53,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 151 transitions, 351 flow. Second operand has 6 states, 6 states have (on average 182.0) internal successors, (1092), 6 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:53,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:53,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 201 [2023-11-29 01:35:53,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:53,635 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [265#true, 146#L49-2true, 235#(= |#race~b~0| 0), Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 230#(= |#race~c~0| 0), Black: 233#true, 272#true, Black: 219#true, 150#L57-4true]) [2023-11-29 01:35:53,635 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 01:35:53,635 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:53,635 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 01:35:53,635 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-29 01:35:53,645 INFO L124 PetriNetUnfolderBase]: 44/417 cut-off events. [2023-11-29 01:35:53,645 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2023-11-29 01:35:53,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 546 conditions, 417 events. 44/417 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1943 event pairs, 5 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 490. Up to 31 conditions per place. [2023-11-29 01:35:53,647 INFO L140 encePairwiseOnDemand]: 196/201 looper letters, 0 selfloop transitions, 0 changer transitions 150/150 dead transitions. [2023-11-29 01:35:53,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 150 transitions, 373 flow [2023-11-29 01:35:53,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:35:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:35:53,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1093 transitions. [2023-11-29 01:35:53,651 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.906301824212272 [2023-11-29 01:35:53,651 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1093 transitions. [2023-11-29 01:35:53,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1093 transitions. [2023-11-29 01:35:53,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:53,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1093 transitions. [2023-11-29 01:35:53,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:53,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:53,658 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:53,658 INFO L175 Difference]: Start difference. First operand has 160 places, 151 transitions, 351 flow. Second operand 6 states and 1093 transitions. [2023-11-29 01:35:53,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 150 transitions, 373 flow [2023-11-29 01:35:53,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 150 transitions, 366 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 01:35:53,661 INFO L231 Difference]: Finished difference. Result has 160 places, 0 transitions, 0 flow [2023-11-29 01:35:53,661 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=160, PETRI_TRANSITIONS=0} [2023-11-29 01:35:53,661 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -19 predicate places. [2023-11-29 01:35:53,662 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 0 transitions, 0 flow [2023-11-29 01:35:53,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.0) internal successors, (1092), 6 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:53,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining) [2023-11-29 01:35:53,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2023-11-29 01:35:53,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2023-11-29 01:35:53,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2023-11-29 01:35:53,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2023-11-29 01:35:53,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining) [2023-11-29 01:35:53,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining) [2023-11-29 01:35:53,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining) [2023-11-29 01:35:53,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining) [2023-11-29 01:35:53,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining) [2023-11-29 01:35:53,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2023-11-29 01:35:53,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2023-11-29 01:35:53,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2023-11-29 01:35:53,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2023-11-29 01:35:53,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2023-11-29 01:35:53,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2023-11-29 01:35:53,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2023-11-29 01:35:53,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2023-11-29 01:35:53,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining) [2023-11-29 01:35:53,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2023-11-29 01:35:53,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2023-11-29 01:35:53,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2023-11-29 01:35:53,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 38 remaining) [2023-11-29 01:35:53,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 38 remaining) [2023-11-29 01:35:53,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining) [2023-11-29 01:35:53,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 38 remaining) [2023-11-29 01:35:53,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining) [2023-11-29 01:35:53,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining) [2023-11-29 01:35:53,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining) [2023-11-29 01:35:53,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2023-11-29 01:35:53,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2023-11-29 01:35:53,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining) [2023-11-29 01:35:53,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2023-11-29 01:35:53,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2023-11-29 01:35:53,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2023-11-29 01:35:53,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2023-11-29 01:35:53,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2023-11-29 01:35:53,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2023-11-29 01:35:53,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 01:35:53,670 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:35:53,675 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 01:35:53,675 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:35:53,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:35:53 BasicIcfg [2023-11-29 01:35:53,681 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:35:53,681 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:35:53,681 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:35:53,682 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:35:53,682 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:35:48" (3/4) ... [2023-11-29 01:35:53,684 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:35:53,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 01:35:53,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 01:35:53,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 01:35:53,693 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-29 01:35:53,693 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 01:35:53,693 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 01:35:53,693 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:35:53,781 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:35:53,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:35:53,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:35:53,783 INFO L158 Benchmark]: Toolchain (without parser) took 5846.17ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 105.5MB in the beginning and 88.1MB in the end (delta: 17.4MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2023-11-29 01:35:53,783 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:35:53,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.27ms. Allocated memory is still 151.0MB. Free memory was 105.5MB in the beginning and 93.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 01:35:53,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.87ms. Allocated memory is still 151.0MB. Free memory was 93.8MB in the beginning and 91.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:35:53,784 INFO L158 Benchmark]: Boogie Preprocessor took 30.64ms. Allocated memory is still 151.0MB. Free memory was 91.8MB in the beginning and 90.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:35:53,784 INFO L158 Benchmark]: RCFGBuilder took 516.05ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 90.1MB in the beginning and 146.1MB in the end (delta: -55.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-29 01:35:53,785 INFO L158 Benchmark]: TraceAbstraction took 4901.98ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 145.2MB in the beginning and 93.3MB in the end (delta: 51.8MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2023-11-29 01:35:53,785 INFO L158 Benchmark]: Witness Printer took 100.63ms. Allocated memory is still 220.2MB. Free memory was 93.3MB in the beginning and 88.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 01:35:53,787 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.27ms. Allocated memory is still 151.0MB. Free memory was 105.5MB in the beginning and 93.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.87ms. Allocated memory is still 151.0MB. Free memory was 93.8MB in the beginning and 91.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.64ms. Allocated memory is still 151.0MB. Free memory was 91.8MB in the beginning and 90.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.05ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 90.1MB in the beginning and 146.1MB in the end (delta: -55.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4901.98ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 145.2MB in the beginning and 93.3MB in the end (delta: 51.8MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. * Witness Printer took 100.63ms. Allocated memory is still 220.2MB. Free memory was 93.3MB in the beginning and 88.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 276 locations, 38 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.7s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 437 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 151 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 778 IncrementalHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 151 mSolverCounterUnsat, 61 mSDtfsCounter, 778 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=377occurred in iteration=8, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 822 NumberOfCodeBlocks, 822 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 807 ConstructedInterpolants, 0 QuantifiedInterpolants, 1074 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 01:35:53,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196c075c-8a07-4d28-826b-724a9f6be660/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE