./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-determinism.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_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/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_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/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_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/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 1dad5daa490be7069cef5ea8bf1cf3314a40a44a4796167c86226f70cfcf68a2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:47:47,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:47:48,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 06:47:48,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:47:48,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:47:48,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:47:48,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:47:48,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:47:48,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:47:48,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:47:48,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:47:48,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:47:48,074 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:47:48,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:47:48,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:47:48,076 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:47:48,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:47:48,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:47:48,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:47:48,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:47:48,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:47:48,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:47:48,080 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 06:47:48,080 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:47:48,080 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:47:48,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:47:48,081 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:47:48,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:47:48,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:47:48,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:47:48,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:47:48,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:47:48,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:47:48,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:47:48,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:47:48,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:47:48,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:47:48,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:47:48,085 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:47:48,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:47:48,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:47:48,086 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_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dad5daa490be7069cef5ea8bf1cf3314a40a44a4796167c86226f70cfcf68a2 [2023-11-29 06:47:48,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:47:48,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:47:48,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:47:48,331 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:47:48,331 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:47:48,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2023-11-29 06:47:51,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:47:51,255 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:47:51,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2023-11-29 06:47:51,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/bin/uautomizer-verify-BQ2R08f2Ya/data/a56d51452/b0196356bf6f43c59de73313a46f673e/FLAGad8c184b3 [2023-11-29 06:47:51,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/bin/uautomizer-verify-BQ2R08f2Ya/data/a56d51452/b0196356bf6f43c59de73313a46f673e [2023-11-29 06:47:51,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:47:51,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:47:51,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:47:51,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:47:51,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:47:51,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:47:51" (1/1) ... [2023-11-29 06:47:51,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1400ce1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51, skipping insertion in model container [2023-11-29 06:47:51,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:47:51" (1/1) ... [2023-11-29 06:47:51,309 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:47:51,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:47:51,478 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:47:51,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:47:51,515 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:47:51,515 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:47:51,521 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:47:51,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51 WrapperNode [2023-11-29 06:47:51,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:47:51,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:47:51,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:47:51,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:47:51,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51" (1/1) ... [2023-11-29 06:47:51,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51" (1/1) ... [2023-11-29 06:47:51,567 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 170 [2023-11-29 06:47:51,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:47:51,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:47:51,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:47:51,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:47:51,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51" (1/1) ... [2023-11-29 06:47:51,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51" (1/1) ... [2023-11-29 06:47:51,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51" (1/1) ... [2023-11-29 06:47:51,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51" (1/1) ... [2023-11-29 06:47:51,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51" (1/1) ... [2023-11-29 06:47:51,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51" (1/1) ... [2023-11-29 06:47:51,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51" (1/1) ... [2023-11-29 06:47:51,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51" (1/1) ... [2023-11-29 06:47:51,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:47:51,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:47:51,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:47:51,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:47:51,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51" (1/1) ... [2023-11-29 06:47:51,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:47:51,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:47:51,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:47:51,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:47:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:47:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 06:47:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 06:47:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 06:47:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 06:47:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 06:47:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 06:47:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 06:47:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 06:47:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 06:47:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:47:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 06:47:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 06:47:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 06:47:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:47:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:47:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 06:47:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:47:51,664 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 06:47:51,764 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:47:51,766 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:47:52,087 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:47:52,163 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:47:52,163 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 06:47:52,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:47:52 BoogieIcfgContainer [2023-11-29 06:47:52,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:47:52,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:47:52,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:47:52,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:47:52,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:47:51" (1/3) ... [2023-11-29 06:47:52,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671fa52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:47:52, skipping insertion in model container [2023-11-29 06:47:52,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:51" (2/3) ... [2023-11-29 06:47:52,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671fa52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:47:52, skipping insertion in model container [2023-11-29 06:47:52,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:47:52" (3/3) ... [2023-11-29 06:47:52,172 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2023-11-29 06:47:52,179 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 06:47:52,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:47:52,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2023-11-29 06:47:52,187 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 06:47:52,256 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-29 06:47:52,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 192 places, 188 transitions, 404 flow [2023-11-29 06:47:52,357 INFO L124 PetriNetUnfolderBase]: 9/184 cut-off events. [2023-11-29 06:47:52,358 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 06:47:52,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 184 events. 9/184 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 223 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 114. Up to 2 conditions per place. [2023-11-29 06:47:52,364 INFO L82 GeneralOperation]: Start removeDead. Operand has 192 places, 188 transitions, 404 flow [2023-11-29 06:47:52,370 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 164 places, 159 transitions, 342 flow [2023-11-29 06:47:52,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:47:52,386 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;@54c29f3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:47:52,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2023-11-29 06:47:52,392 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 06:47:52,392 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2023-11-29 06:47:52,392 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:47:52,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:47:52,393 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] [2023-11-29 06:47:52,394 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-11-29 06:47:52,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:52,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1788240346, now seen corresponding path program 1 times [2023-11-29 06:47:52,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:52,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919107450] [2023-11-29 06:47:52,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:52,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:52,578 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 06:47:52,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:52,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919107450] [2023-11-29 06:47:52,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919107450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:52,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:52,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:47:52,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826690545] [2023-11-29 06:47:52,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:52,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:47:52,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:52,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:47:52,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:47:52,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 188 [2023-11-29 06:47:52,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 159 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 0 states have call successors, (0), 0 states 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 06:47:52,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:47:52,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 188 [2023-11-29 06:47:52,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:47:52,973 INFO L124 PetriNetUnfolderBase]: 399/1421 cut-off events. [2023-11-29 06:47:52,973 INFO L125 PetriNetUnfolderBase]: For 160/172 co-relation queries the response was YES. [2023-11-29 06:47:52,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2107 conditions, 1421 events. 399/1421 cut-off events. For 160/172 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 9802 event pairs, 272 based on Foata normal form. 0/1231 useless extension candidates. Maximal degree in co-relation 1878. Up to 559 conditions per place. [2023-11-29 06:47:52,995 INFO L140 encePairwiseOnDemand]: 171/188 looper letters, 19 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2023-11-29 06:47:52,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 144 transitions, 354 flow [2023-11-29 06:47:52,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:47:52,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:47:53,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 483 transitions. [2023-11-29 06:47:53,010 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8563829787234043 [2023-11-29 06:47:53,011 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 483 transitions. [2023-11-29 06:47:53,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 483 transitions. [2023-11-29 06:47:53,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:47:53,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 483 transitions. [2023-11-29 06:47:53,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states 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 06:47:53,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 06:47:53,027 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 06:47:53,029 INFO L175 Difference]: Start difference. First operand has 164 places, 159 transitions, 342 flow. Second operand 3 states and 483 transitions. [2023-11-29 06:47:53,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 144 transitions, 354 flow [2023-11-29 06:47:53,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 144 transitions, 338 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-29 06:47:53,039 INFO L231 Difference]: Finished difference. Result has 147 places, 144 transitions, 300 flow [2023-11-29 06:47:53,041 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=147, PETRI_TRANSITIONS=144} [2023-11-29 06:47:53,045 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -17 predicate places. [2023-11-29 06:47:53,045 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 144 transitions, 300 flow [2023-11-29 06:47:53,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 0 states have call successors, (0), 0 states 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 06:47:53,046 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:47:53,046 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] [2023-11-29 06:47:53,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:47:53,047 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-11-29 06:47:53,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:53,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1574790170, now seen corresponding path program 1 times [2023-11-29 06:47:53,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:53,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782526271] [2023-11-29 06:47:53,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:53,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:53,117 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 06:47:53,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:53,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782526271] [2023-11-29 06:47:53,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782526271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:53,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:53,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:47:53,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634788192] [2023-11-29 06:47:53,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:53,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:47:53,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:53,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:47:53,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:47:53,140 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 188 [2023-11-29 06:47:53,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 144 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states 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 06:47:53,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:47:53,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 188 [2023-11-29 06:47:53,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:47:53,640 INFO L124 PetriNetUnfolderBase]: 1225/3186 cut-off events. [2023-11-29 06:47:53,640 INFO L125 PetriNetUnfolderBase]: For 86/165 co-relation queries the response was YES. [2023-11-29 06:47:53,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4921 conditions, 3186 events. 1225/3186 cut-off events. For 86/165 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 25232 event pairs, 747 based on Foata normal form. 0/2901 useless extension candidates. Maximal degree in co-relation 4892. Up to 1640 conditions per place. [2023-11-29 06:47:53,710 INFO L140 encePairwiseOnDemand]: 180/188 looper letters, 24 selfloop transitions, 4 changer transitions 0/147 dead transitions. [2023-11-29 06:47:53,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 147 transitions, 365 flow [2023-11-29 06:47:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:47:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:47:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2023-11-29 06:47:53,714 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8386524822695035 [2023-11-29 06:47:53,714 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 473 transitions. [2023-11-29 06:47:53,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 473 transitions. [2023-11-29 06:47:53,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:47:53,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 473 transitions. [2023-11-29 06:47:53,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states 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 06:47:53,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 06:47:53,720 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 06:47:53,720 INFO L175 Difference]: Start difference. First operand has 147 places, 144 transitions, 300 flow. Second operand 3 states and 473 transitions. [2023-11-29 06:47:53,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 147 transitions, 365 flow [2023-11-29 06:47:53,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 147 transitions, 361 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:47:53,725 INFO L231 Difference]: Finished difference. Result has 144 places, 144 transitions, 316 flow [2023-11-29 06:47:53,725 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=144, PETRI_TRANSITIONS=144} [2023-11-29 06:47:53,726 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -20 predicate places. [2023-11-29 06:47:53,726 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 144 transitions, 316 flow [2023-11-29 06:47:53,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states 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 06:47:53,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:47:53,727 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:53,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:47:53,727 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-11-29 06:47:53,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:53,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1085294247, now seen corresponding path program 1 times [2023-11-29 06:47:53,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:53,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628348399] [2023-11-29 06:47:53,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:53,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:54,271 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 06:47:54,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:54,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628348399] [2023-11-29 06:47:54,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628348399] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:54,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:54,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:47:54,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623254908] [2023-11-29 06:47:54,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:54,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:47:54,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:54,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:47:54,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:47:54,522 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 188 [2023-11-29 06:47:54,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 144 transitions, 316 flow. Second operand has 6 states, 6 states have (on average 151.83333333333334) internal successors, (911), 6 states have internal predecessors, (911), 0 states have call successors, (0), 0 states 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 06:47:54,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:47:54,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 188 [2023-11-29 06:47:54,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:47:54,655 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([575] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][71], [201#(= |#race~N~0| 0), 145#L90-4true, 31#L51-2true, 129#L62-2true, Black: 199#true, 48#L41-2true, 204#true]) [2023-11-29 06:47:54,655 INFO L294 olderBase$Statistics]: this new event has 62 ancestors and is cut-off event [2023-11-29 06:47:54,655 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-11-29 06:47:54,655 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-11-29 06:47:54,655 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-11-29 06:47:54,729 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [201#(= |#race~N~0| 0), 111#$Ultimate##0true, 15#L91-4true, 180#L72-2true, 31#L51-2true, Black: 199#true, 48#L41-2true, 204#true]) [2023-11-29 06:47:54,729 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:54,729 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:54,729 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:54,729 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:54,733 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [201#(= |#race~N~0| 0), 15#L91-4true, 180#L72-2true, Black: 199#true, 48#L41-2true, 129#L62-2true, 174#$Ultimate##0true, 204#true]) [2023-11-29 06:47:54,733 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:54,733 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:54,733 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:54,733 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:54,740 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [201#(= |#race~N~0| 0), 9#$Ultimate##0true, 15#L91-4true, 180#L72-2true, 31#L51-2true, 129#L62-2true, Black: 199#true, 204#true]) [2023-11-29 06:47:54,741 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:54,741 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:54,741 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:54,741 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:54,798 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [201#(= |#race~N~0| 0), 15#L91-4true, 180#L72-2true, 31#L51-2true, 129#L62-2true, Black: 199#true, 48#L41-2true, 204#true]) [2023-11-29 06:47:54,798 INFO L294 olderBase$Statistics]: this new event has 71 ancestors and is cut-off event [2023-11-29 06:47:54,798 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-11-29 06:47:54,798 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2023-11-29 06:47:54,798 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2023-11-29 06:47:54,930 INFO L124 PetriNetUnfolderBase]: 929/2358 cut-off events. [2023-11-29 06:47:54,931 INFO L125 PetriNetUnfolderBase]: For 14/19 co-relation queries the response was YES. [2023-11-29 06:47:54,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3723 conditions, 2358 events. 929/2358 cut-off events. For 14/19 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 17766 event pairs, 116 based on Foata normal form. 4/2085 useless extension candidates. Maximal degree in co-relation 2697. Up to 395 conditions per place. [2023-11-29 06:47:54,964 INFO L140 encePairwiseOnDemand]: 183/188 looper letters, 31 selfloop transitions, 4 changer transitions 0/159 dead transitions. [2023-11-29 06:47:54,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 159 transitions, 416 flow [2023-11-29 06:47:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:47:54,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:47:54,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 936 transitions. [2023-11-29 06:47:54,968 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8297872340425532 [2023-11-29 06:47:54,968 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 936 transitions. [2023-11-29 06:47:54,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 936 transitions. [2023-11-29 06:47:54,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:47:54,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 936 transitions. [2023-11-29 06:47:54,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:47:54,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states 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 06:47:54,976 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states 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 06:47:54,976 INFO L175 Difference]: Start difference. First operand has 144 places, 144 transitions, 316 flow. Second operand 6 states and 936 transitions. [2023-11-29 06:47:54,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 159 transitions, 416 flow [2023-11-29 06:47:54,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 159 transitions, 416 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:47:54,981 INFO L231 Difference]: Finished difference. Result has 148 places, 143 transitions, 322 flow [2023-11-29 06:47:54,981 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=322, PETRI_PLACES=148, PETRI_TRANSITIONS=143} [2023-11-29 06:47:54,982 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -16 predicate places. [2023-11-29 06:47:54,982 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 143 transitions, 322 flow [2023-11-29 06:47:54,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 151.83333333333334) internal successors, (911), 6 states have internal predecessors, (911), 0 states have call successors, (0), 0 states 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 06:47:54,984 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:47:54,984 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 06:47:54,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:47:54,984 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-11-29 06:47:54,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:54,985 INFO L85 PathProgramCache]: Analyzing trace with hash -548968787, now seen corresponding path program 1 times [2023-11-29 06:47:54,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:54,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732412675] [2023-11-29 06:47:54,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:54,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:55,551 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 06:47:55,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:55,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732412675] [2023-11-29 06:47:55,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732412675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:55,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:55,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:47:55,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475245671] [2023-11-29 06:47:55,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:55,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:47:55,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:55,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:47:55,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:47:55,747 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 188 [2023-11-29 06:47:55,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 143 transitions, 322 flow. Second operand has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 0 states have call successors, (0), 0 states 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 06:47:55,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:47:55,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 188 [2023-11-29 06:47:55,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:47:55,826 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([575] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][71], [211#true, 201#(= |#race~N~0| 0), 145#L90-4true, 31#L51-2true, 129#L62-2true, Black: 199#true, 48#L41-2true, 204#true]) [2023-11-29 06:47:55,827 INFO L294 olderBase$Statistics]: this new event has 62 ancestors and is cut-off event [2023-11-29 06:47:55,827 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-11-29 06:47:55,827 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-11-29 06:47:55,827 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-11-29 06:47:55,858 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [211#true, 201#(= |#race~N~0| 0), 111#$Ultimate##0true, 15#L91-4true, 180#L72-2true, 31#L51-2true, 48#L41-2true, Black: 199#true, 204#true]) [2023-11-29 06:47:55,858 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:55,858 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:55,858 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:55,858 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:55,860 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [211#true, 201#(= |#race~N~0| 0), 15#L91-4true, 180#L72-2true, 48#L41-2true, Black: 199#true, 129#L62-2true, 174#$Ultimate##0true, 204#true]) [2023-11-29 06:47:55,860 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:55,860 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:55,861 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:55,861 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:55,862 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [211#true, 201#(= |#race~N~0| 0), 9#$Ultimate##0true, 15#L91-4true, 180#L72-2true, 31#L51-2true, 129#L62-2true, Black: 199#true, 204#true]) [2023-11-29 06:47:55,862 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:55,862 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:55,863 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:55,863 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:55,896 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [211#true, 201#(= |#race~N~0| 0), 15#L91-4true, 180#L72-2true, 31#L51-2true, 48#L41-2true, Black: 199#true, 129#L62-2true, 204#true]) [2023-11-29 06:47:55,896 INFO L294 olderBase$Statistics]: this new event has 71 ancestors and is cut-off event [2023-11-29 06:47:55,897 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-11-29 06:47:55,897 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2023-11-29 06:47:55,897 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2023-11-29 06:47:55,988 INFO L124 PetriNetUnfolderBase]: 481/1434 cut-off events. [2023-11-29 06:47:55,989 INFO L125 PetriNetUnfolderBase]: For 26/43 co-relation queries the response was YES. [2023-11-29 06:47:55,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2214 conditions, 1434 events. 481/1434 cut-off events. For 26/43 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 9319 event pairs, 116 based on Foata normal form. 8/1272 useless extension candidates. Maximal degree in co-relation 1826. Up to 219 conditions per place. [2023-11-29 06:47:56,005 INFO L140 encePairwiseOnDemand]: 183/188 looper letters, 27 selfloop transitions, 4 changer transitions 0/154 dead transitions. [2023-11-29 06:47:56,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 154 transitions, 406 flow [2023-11-29 06:47:56,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:47:56,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:47:56,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 932 transitions. [2023-11-29 06:47:56,009 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8262411347517731 [2023-11-29 06:47:56,009 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 932 transitions. [2023-11-29 06:47:56,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 932 transitions. [2023-11-29 06:47:56,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:47:56,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 932 transitions. [2023-11-29 06:47:56,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 155.33333333333334) internal successors, (932), 6 states have internal predecessors, (932), 0 states have call successors, (0), 0 states 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 06:47:56,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states 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 06:47:56,018 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states 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 06:47:56,018 INFO L175 Difference]: Start difference. First operand has 148 places, 143 transitions, 322 flow. Second operand 6 states and 932 transitions. [2023-11-29 06:47:56,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 154 transitions, 406 flow [2023-11-29 06:47:56,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 154 transitions, 399 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:47:56,022 INFO L231 Difference]: Finished difference. Result has 148 places, 142 transitions, 321 flow [2023-11-29 06:47:56,023 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=321, PETRI_PLACES=148, PETRI_TRANSITIONS=142} [2023-11-29 06:47:56,023 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -16 predicate places. [2023-11-29 06:47:56,024 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 142 transitions, 321 flow [2023-11-29 06:47:56,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 0 states have call successors, (0), 0 states 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 06:47:56,025 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:47:56,025 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:47:56,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:47:56,025 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-11-29 06:47:56,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:56,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1692319980, now seen corresponding path program 1 times [2023-11-29 06:47:56,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:56,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445389159] [2023-11-29 06:47:56,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:56,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:56,501 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 06:47:56,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:56,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445389159] [2023-11-29 06:47:56,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445389159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:56,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:56,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:47:56,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846952985] [2023-11-29 06:47:56,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:56,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:47:56,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:56,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:47:56,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:47:56,679 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 188 [2023-11-29 06:47:56,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 142 transitions, 321 flow. Second operand has 6 states, 6 states have (on average 152.16666666666666) internal successors, (913), 6 states have internal predecessors, (913), 0 states have call successors, (0), 0 states 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 06:47:56,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:47:56,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 188 [2023-11-29 06:47:56,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:47:56,748 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([575] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][71], [211#true, 201#(= |#race~N~0| 0), 145#L90-4true, 31#L51-2true, 48#L41-2true, 129#L62-2true, Black: 199#true, 218#true]) [2023-11-29 06:47:56,749 INFO L294 olderBase$Statistics]: this new event has 62 ancestors and is cut-off event [2023-11-29 06:47:56,749 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-11-29 06:47:56,749 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-11-29 06:47:56,749 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-11-29 06:47:56,781 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [211#true, 201#(= |#race~N~0| 0), 111#$Ultimate##0true, 15#L91-4true, 180#L72-2true, 31#L51-2true, 48#L41-2true, Black: 199#true, 218#true]) [2023-11-29 06:47:56,781 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:56,781 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:56,781 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:56,781 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:56,783 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [211#true, 201#(= |#race~N~0| 0), 15#L91-4true, 180#L72-2true, Black: 199#true, 48#L41-2true, 129#L62-2true, 218#true, 174#$Ultimate##0true]) [2023-11-29 06:47:56,783 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:56,784 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:56,784 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:56,784 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:56,785 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [211#true, 201#(= |#race~N~0| 0), 9#$Ultimate##0true, 15#L91-4true, 180#L72-2true, 31#L51-2true, Black: 199#true, 129#L62-2true, 218#true]) [2023-11-29 06:47:56,785 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:56,786 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:56,786 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:56,786 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:56,796 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [211#true, 201#(= |#race~N~0| 0), 15#L91-4true, 180#L72-2true, 31#L51-2true, 129#L62-2true, Black: 199#true, 48#L41-2true, 218#true]) [2023-11-29 06:47:56,797 INFO L294 olderBase$Statistics]: this new event has 71 ancestors and is cut-off event [2023-11-29 06:47:56,797 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-11-29 06:47:56,797 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2023-11-29 06:47:56,797 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2023-11-29 06:47:56,894 INFO L124 PetriNetUnfolderBase]: 339/1240 cut-off events. [2023-11-29 06:47:56,894 INFO L125 PetriNetUnfolderBase]: For 34/51 co-relation queries the response was YES. [2023-11-29 06:47:56,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1822 conditions, 1240 events. 339/1240 cut-off events. For 34/51 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 8068 event pairs, 121 based on Foata normal form. 4/1107 useless extension candidates. Maximal degree in co-relation 1500. Up to 238 conditions per place. [2023-11-29 06:47:56,906 INFO L140 encePairwiseOnDemand]: 183/188 looper letters, 23 selfloop transitions, 4 changer transitions 0/149 dead transitions. [2023-11-29 06:47:56,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 149 transitions, 389 flow [2023-11-29 06:47:56,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:47:56,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:47:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 928 transitions. [2023-11-29 06:47:56,910 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8226950354609929 [2023-11-29 06:47:56,910 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 928 transitions. [2023-11-29 06:47:56,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 928 transitions. [2023-11-29 06:47:56,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:47:56,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 928 transitions. [2023-11-29 06:47:56,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 154.66666666666666) internal successors, (928), 6 states have internal predecessors, (928), 0 states have call successors, (0), 0 states 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 06:47:56,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states 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 06:47:56,917 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states 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 06:47:56,917 INFO L175 Difference]: Start difference. First operand has 148 places, 142 transitions, 321 flow. Second operand 6 states and 928 transitions. [2023-11-29 06:47:56,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 149 transitions, 389 flow [2023-11-29 06:47:56,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 149 transitions, 382 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:47:56,921 INFO L231 Difference]: Finished difference. Result has 148 places, 141 transitions, 320 flow [2023-11-29 06:47:56,922 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=320, PETRI_PLACES=148, PETRI_TRANSITIONS=141} [2023-11-29 06:47:56,922 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -16 predicate places. [2023-11-29 06:47:56,923 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 141 transitions, 320 flow [2023-11-29 06:47:56,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 152.16666666666666) internal successors, (913), 6 states have internal predecessors, (913), 0 states have call successors, (0), 0 states 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 06:47:56,923 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:47:56,923 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:56,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:47:56,924 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-11-29 06:47:56,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:56,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1804636278, now seen corresponding path program 1 times [2023-11-29 06:47:56,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:56,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257989722] [2023-11-29 06:47:56,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:56,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:57,444 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 06:47:57,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:57,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257989722] [2023-11-29 06:47:57,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257989722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:57,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:57,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:47:57,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387180909] [2023-11-29 06:47:57,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:57,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:47:57,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:57,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:47:57,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:47:57,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 188 [2023-11-29 06:47:57,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 141 transitions, 320 flow. Second operand has 6 states, 6 states have (on average 152.33333333333334) internal successors, (914), 6 states have internal predecessors, (914), 0 states have call successors, (0), 0 states 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 06:47:57,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:47:57,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 188 [2023-11-29 06:47:57,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:47:57,697 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([575] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][71], [201#(= |#race~N~0| 0), 225#true, 145#L90-4true, 31#L51-2true, 48#L41-2true, 129#L62-2true, Black: 199#true, 218#true]) [2023-11-29 06:47:57,698 INFO L294 olderBase$Statistics]: this new event has 62 ancestors and is cut-off event [2023-11-29 06:47:57,698 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-11-29 06:47:57,698 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-11-29 06:47:57,698 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-11-29 06:47:57,730 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [201#(= |#race~N~0| 0), 225#true, 111#$Ultimate##0true, 15#L91-4true, 180#L72-2true, 31#L51-2true, 48#L41-2true, Black: 199#true, 218#true]) [2023-11-29 06:47:57,730 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:57,730 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:57,730 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:57,730 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:57,732 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [201#(= |#race~N~0| 0), 225#true, 15#L91-4true, 180#L72-2true, Black: 199#true, 48#L41-2true, 129#L62-2true, 218#true, 174#$Ultimate##0true]) [2023-11-29 06:47:57,732 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:57,732 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:57,732 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:57,733 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:57,734 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [201#(= |#race~N~0| 0), 225#true, 9#$Ultimate##0true, 15#L91-4true, 180#L72-2true, 31#L51-2true, Black: 199#true, 129#L62-2true, 218#true]) [2023-11-29 06:47:57,734 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:57,734 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:57,734 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:57,734 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:57,745 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [201#(= |#race~N~0| 0), 225#true, 15#L91-4true, 180#L72-2true, 31#L51-2true, Black: 199#true, 48#L41-2true, 129#L62-2true, 218#true]) [2023-11-29 06:47:57,745 INFO L294 olderBase$Statistics]: this new event has 71 ancestors and is cut-off event [2023-11-29 06:47:57,745 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-11-29 06:47:57,745 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2023-11-29 06:47:57,745 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2023-11-29 06:47:57,814 INFO L124 PetriNetUnfolderBase]: 310/1194 cut-off events. [2023-11-29 06:47:57,815 INFO L125 PetriNetUnfolderBase]: For 37/46 co-relation queries the response was YES. [2023-11-29 06:47:57,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1722 conditions, 1194 events. 310/1194 cut-off events. For 37/46 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7806 event pairs, 122 based on Foata normal form. 0/1058 useless extension candidates. Maximal degree in co-relation 1613. Up to 244 conditions per place. [2023-11-29 06:47:57,827 INFO L140 encePairwiseOnDemand]: 183/188 looper letters, 19 selfloop transitions, 4 changer transitions 0/144 dead transitions. [2023-11-29 06:47:57,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 144 transitions, 372 flow [2023-11-29 06:47:57,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:47:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:47:57,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 924 transitions. [2023-11-29 06:47:57,830 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8191489361702128 [2023-11-29 06:47:57,831 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 924 transitions. [2023-11-29 06:47:57,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 924 transitions. [2023-11-29 06:47:57,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:47:57,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 924 transitions. [2023-11-29 06:47:57,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 154.0) internal successors, (924), 6 states have internal predecessors, (924), 0 states have call successors, (0), 0 states 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 06:47:57,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states 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 06:47:57,838 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states 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 06:47:57,838 INFO L175 Difference]: Start difference. First operand has 148 places, 141 transitions, 320 flow. Second operand 6 states and 924 transitions. [2023-11-29 06:47:57,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 144 transitions, 372 flow [2023-11-29 06:47:57,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 144 transitions, 365 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:47:57,842 INFO L231 Difference]: Finished difference. Result has 148 places, 140 transitions, 319 flow [2023-11-29 06:47:57,842 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=319, PETRI_PLACES=148, PETRI_TRANSITIONS=140} [2023-11-29 06:47:57,843 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -16 predicate places. [2023-11-29 06:47:57,843 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 140 transitions, 319 flow [2023-11-29 06:47:57,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 152.33333333333334) internal successors, (914), 6 states have internal predecessors, (914), 0 states have call successors, (0), 0 states 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 06:47:57,844 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:47:57,844 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:57,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:47:57,844 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-11-29 06:47:57,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:57,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1152979666, now seen corresponding path program 1 times [2023-11-29 06:47:57,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:57,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908637343] [2023-11-29 06:47:57,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:57,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:57,910 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 06:47:57,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:57,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908637343] [2023-11-29 06:47:57,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908637343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:57,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:57,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:47:57,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888504043] [2023-11-29 06:47:57,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:57,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:47:57,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:57,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:47:57,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:47:57,922 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2023-11-29 06:47:57,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 140 transitions, 319 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states 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 06:47:57,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:47:57,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2023-11-29 06:47:57,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:47:57,982 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([575] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][71], [225#true, 201#(= |#race~N~0| 0), 145#L90-4true, 31#L51-2true, 48#L41-2true, 129#L62-2true, Black: 199#true, 232#true]) [2023-11-29 06:47:57,982 INFO L294 olderBase$Statistics]: this new event has 62 ancestors and is cut-off event [2023-11-29 06:47:57,982 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-11-29 06:47:57,982 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-11-29 06:47:57,982 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-11-29 06:47:58,011 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [225#true, 201#(= |#race~N~0| 0), 111#$Ultimate##0true, 15#L91-4true, 180#L72-2true, 31#L51-2true, 48#L41-2true, Black: 199#true, 232#true]) [2023-11-29 06:47:58,012 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:58,012 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:58,012 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:58,012 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:58,014 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [225#true, 201#(= |#race~N~0| 0), 15#L91-4true, 180#L72-2true, Black: 199#true, 48#L41-2true, 129#L62-2true, 174#$Ultimate##0true, 232#true]) [2023-11-29 06:47:58,014 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:58,014 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:58,014 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:58,014 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:58,016 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [225#true, 201#(= |#race~N~0| 0), 9#$Ultimate##0true, 15#L91-4true, 180#L72-2true, 31#L51-2true, 129#L62-2true, Black: 199#true, 232#true]) [2023-11-29 06:47:58,016 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:58,016 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:58,016 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:58,016 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:58,026 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [225#true, 201#(= |#race~N~0| 0), 15#L91-4true, 180#L72-2true, 31#L51-2true, Black: 199#true, 48#L41-2true, 129#L62-2true, 232#true]) [2023-11-29 06:47:58,026 INFO L294 olderBase$Statistics]: this new event has 71 ancestors and is cut-off event [2023-11-29 06:47:58,026 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-11-29 06:47:58,026 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2023-11-29 06:47:58,026 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2023-11-29 06:47:58,081 INFO L124 PetriNetUnfolderBase]: 305/1183 cut-off events. [2023-11-29 06:47:58,082 INFO L125 PetriNetUnfolderBase]: For 38/48 co-relation queries the response was YES. [2023-11-29 06:47:58,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1687 conditions, 1183 events. 305/1183 cut-off events. For 38/48 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7779 event pairs, 122 based on Foata normal form. 0/1048 useless extension candidates. Maximal degree in co-relation 1656. Up to 243 conditions per place. [2023-11-29 06:47:58,093 INFO L140 encePairwiseOnDemand]: 186/188 looper letters, 13 selfloop transitions, 1 changer transitions 0/139 dead transitions. [2023-11-29 06:47:58,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 139 transitions, 345 flow [2023-11-29 06:47:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:47:58,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:47:58,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 486 transitions. [2023-11-29 06:47:58,096 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8617021276595744 [2023-11-29 06:47:58,096 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 486 transitions. [2023-11-29 06:47:58,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 486 transitions. [2023-11-29 06:47:58,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:47:58,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 486 transitions. [2023-11-29 06:47:58,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states 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 06:47:58,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 06:47:58,099 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 06:47:58,099 INFO L175 Difference]: Start difference. First operand has 148 places, 140 transitions, 319 flow. Second operand 3 states and 486 transitions. [2023-11-29 06:47:58,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 139 transitions, 345 flow [2023-11-29 06:47:58,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 139 transitions, 338 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:47:58,103 INFO L231 Difference]: Finished difference. Result has 145 places, 139 transitions, 312 flow [2023-11-29 06:47:58,103 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=145, PETRI_TRANSITIONS=139} [2023-11-29 06:47:58,104 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -19 predicate places. [2023-11-29 06:47:58,104 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 139 transitions, 312 flow [2023-11-29 06:47:58,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states 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 06:47:58,105 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:47:58,105 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:58,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:47:58,105 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-11-29 06:47:58,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:47:58,105 INFO L85 PathProgramCache]: Analyzing trace with hash -782532646, now seen corresponding path program 1 times [2023-11-29 06:47:58,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:47:58,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018942375] [2023-11-29 06:47:58,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:47:58,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:47:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:47:58,165 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 06:47:58,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:47:58,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018942375] [2023-11-29 06:47:58,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018942375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:47:58,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:47:58,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:47:58,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094458322] [2023-11-29 06:47:58,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:47:58,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:47:58,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:47:58,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:47:58,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:47:58,170 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2023-11-29 06:47:58,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 139 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states 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 06:47:58,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:47:58,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2023-11-29 06:47:58,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:47:58,230 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([575] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][71], [201#(= |#race~N~0| 0), 236#true, 145#L90-4true, 31#L51-2true, 48#L41-2true, 129#L62-2true, Black: 199#true, 232#true]) [2023-11-29 06:47:58,230 INFO L294 olderBase$Statistics]: this new event has 62 ancestors and is cut-off event [2023-11-29 06:47:58,230 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-11-29 06:47:58,230 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-11-29 06:47:58,231 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-11-29 06:47:58,261 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [201#(= |#race~N~0| 0), 111#$Ultimate##0true, 15#L91-4true, 236#true, 180#L72-2true, 31#L51-2true, 48#L41-2true, Black: 199#true, 232#true]) [2023-11-29 06:47:58,261 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:58,261 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:58,261 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:58,261 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:58,263 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [201#(= |#race~N~0| 0), 15#L91-4true, 236#true, 180#L72-2true, Black: 199#true, 48#L41-2true, 129#L62-2true, 174#$Ultimate##0true, 232#true]) [2023-11-29 06:47:58,263 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:58,263 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:58,264 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:58,264 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:58,265 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [201#(= |#race~N~0| 0), 9#$Ultimate##0true, 15#L91-4true, 236#true, 180#L72-2true, 31#L51-2true, 129#L62-2true, Black: 199#true, 232#true]) [2023-11-29 06:47:58,265 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2023-11-29 06:47:58,265 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:58,265 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-11-29 06:47:58,266 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-11-29 06:47:58,276 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([592] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][93], [201#(= |#race~N~0| 0), 15#L91-4true, 236#true, 180#L72-2true, 31#L51-2true, Black: 199#true, 48#L41-2true, 129#L62-2true, 232#true]) [2023-11-29 06:47:58,276 INFO L294 olderBase$Statistics]: this new event has 71 ancestors and is cut-off event [2023-11-29 06:47:58,276 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-11-29 06:47:58,276 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2023-11-29 06:47:58,276 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2023-11-29 06:47:58,327 INFO L124 PetriNetUnfolderBase]: 305/1182 cut-off events. [2023-11-29 06:47:58,328 INFO L125 PetriNetUnfolderBase]: For 38/48 co-relation queries the response was YES. [2023-11-29 06:47:58,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 1182 events. 305/1182 cut-off events. For 38/48 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7779 event pairs, 122 based on Foata normal form. 1/1048 useless extension candidates. Maximal degree in co-relation 1671. Up to 243 conditions per place. [2023-11-29 06:47:58,335 INFO L140 encePairwiseOnDemand]: 186/188 looper letters, 0 selfloop transitions, 0 changer transitions 138/138 dead transitions. [2023-11-29 06:47:58,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 138 transitions, 336 flow [2023-11-29 06:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:47:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:47:58,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 485 transitions. [2023-11-29 06:47:58,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8599290780141844 [2023-11-29 06:47:58,338 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 485 transitions. [2023-11-29 06:47:58,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 485 transitions. [2023-11-29 06:47:58,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:47:58,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 485 transitions. [2023-11-29 06:47:58,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states 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 06:47:58,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 06:47:58,342 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states 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 06:47:58,342 INFO L175 Difference]: Start difference. First operand has 145 places, 139 transitions, 312 flow. Second operand 3 states and 485 transitions. [2023-11-29 06:47:58,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 138 transitions, 336 flow [2023-11-29 06:47:58,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 138 transitions, 335 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:47:58,344 INFO L231 Difference]: Finished difference. Result has 145 places, 0 transitions, 0 flow [2023-11-29 06:47:58,345 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=309, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=145, PETRI_TRANSITIONS=0} [2023-11-29 06:47:58,345 INFO L281 CegarLoopForPetriNet]: 164 programPoint places, -19 predicate places. [2023-11-29 06:47:58,346 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 0 transitions, 0 flow [2023-11-29 06:47:58,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states 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 06:47:58,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2023-11-29 06:47:58,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2023-11-29 06:47:58,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2023-11-29 06:47:58,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2023-11-29 06:47:58,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2023-11-29 06:47:58,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2023-11-29 06:47:58,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2023-11-29 06:47:58,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2023-11-29 06:47:58,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2023-11-29 06:47:58,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2023-11-29 06:47:58,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2023-11-29 06:47:58,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2023-11-29 06:47:58,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2023-11-29 06:47:58,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2023-11-29 06:47:58,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2023-11-29 06:47:58,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2023-11-29 06:47:58,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2023-11-29 06:47:58,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 39 remaining) [2023-11-29 06:47:58,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 39 remaining) [2023-11-29 06:47:58,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 39 remaining) [2023-11-29 06:47:58,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 39 remaining) [2023-11-29 06:47:58,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2023-11-29 06:47:58,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (16 of 39 remaining) [2023-11-29 06:47:58,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (15 of 39 remaining) [2023-11-29 06:47:58,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining) [2023-11-29 06:47:58,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2023-11-29 06:47:58,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2023-11-29 06:47:58,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2023-11-29 06:47:58,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2023-11-29 06:47:58,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2023-11-29 06:47:58,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2023-11-29 06:47:58,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2023-11-29 06:47:58,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2023-11-29 06:47:58,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2023-11-29 06:47:58,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2023-11-29 06:47:58,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2023-11-29 06:47:58,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2023-11-29 06:47:58,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2023-11-29 06:47:58,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2023-11-29 06:47:58,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:47:58,359 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:47:58,365 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 06:47:58,365 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:47:58,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:47:58 BasicIcfg [2023-11-29 06:47:58,371 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:47:58,371 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:47:58,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:47:58,371 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:47:58,372 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:47:52" (3/4) ... [2023-11-29 06:47:58,373 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:47:58,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 06:47:58,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 06:47:58,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 06:47:58,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-29 06:47:58,381 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-29 06:47:58,381 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 06:47:58,382 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:47:58,382 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:47:58,466 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:47:58,466 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:47:58,466 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:47:58,467 INFO L158 Benchmark]: Toolchain (without parser) took 7189.98ms. Allocated memory was 161.5MB in the beginning and 260.0MB in the end (delta: 98.6MB). Free memory was 116.3MB in the beginning and 58.3MB in the end (delta: 58.0MB). Peak memory consumption was 158.7MB. Max. memory is 16.1GB. [2023-11-29 06:47:58,467 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:47:58,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.62ms. Allocated memory is still 161.5MB. Free memory was 115.9MB in the beginning and 103.9MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:47:58,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.87ms. Allocated memory is still 161.5MB. Free memory was 103.9MB in the beginning and 101.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:47:58,468 INFO L158 Benchmark]: Boogie Preprocessor took 36.98ms. Allocated memory is still 161.5MB. Free memory was 101.7MB in the beginning and 99.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:47:58,468 INFO L158 Benchmark]: RCFGBuilder took 559.56ms. Allocated memory is still 161.5MB. Free memory was 99.7MB in the beginning and 118.5MB in the end (delta: -18.8MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-11-29 06:47:58,469 INFO L158 Benchmark]: TraceAbstraction took 6203.44ms. Allocated memory was 161.5MB in the beginning and 260.0MB in the end (delta: 98.6MB). Free memory was 118.5MB in the beginning and 63.6MB in the end (delta: 54.9MB). Peak memory consumption was 154.6MB. Max. memory is 16.1GB. [2023-11-29 06:47:58,469 INFO L158 Benchmark]: Witness Printer took 95.17ms. Allocated memory is still 260.0MB. Free memory was 63.6MB in the beginning and 58.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:47:58,471 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.62ms. Allocated memory is still 161.5MB. Free memory was 115.9MB in the beginning and 103.9MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.87ms. Allocated memory is still 161.5MB. Free memory was 103.9MB in the beginning and 101.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.98ms. Allocated memory is still 161.5MB. Free memory was 101.7MB in the beginning and 99.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 559.56ms. Allocated memory is still 161.5MB. Free memory was 99.7MB in the beginning and 118.5MB in the end (delta: -18.8MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6203.44ms. Allocated memory was 161.5MB in the beginning and 260.0MB in the end (delta: 98.6MB). Free memory was 118.5MB in the beginning and 63.6MB in the end (delta: 54.9MB). Peak memory consumption was 154.6MB. Max. memory is 16.1GB. * Witness Printer took 95.17ms. Allocated memory is still 260.0MB. Free memory was 63.6MB in the beginning and 58.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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 9 procedures, 250 locations, 39 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: 6.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 467 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 261 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 225 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 915 IncrementalHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 225 mSolverCounterUnsat, 26 mSDtfsCounter, 915 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=342occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 2.2s InterpolantComputationTime, 588 NumberOfCodeBlocks, 588 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 580 ConstructedInterpolants, 0 QuantifiedInterpolants, 912 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 06:47:58,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd4744c-4eb7-4486-afac-9d3f47bb45f8/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