./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 c8ce32899aa465c1eaa89b234122d94aaf792bb347295ccb743670e04bba6b8e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:11:32,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:11:32,357 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 23:11:32,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:11:32,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:11:32,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:11:32,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:11:32,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:11:32,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:11:32,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:11:32,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:11:32,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:11:32,391 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:11:32,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:11:32,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:11:32,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:11:32,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:11:32,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:11:32,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:11:32,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:11:32,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:11:32,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:11:32,397 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 23:11:32,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:11:32,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:11:32,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:11:32,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:11:32,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:11:32,400 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:11:32,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:11:32,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:32,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:11:32,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:11:32,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:11:32,403 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:11:32,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:11:32,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:11:32,404 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:11:32,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:11:32,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:11:32,406 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:11:32,406 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_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8ce32899aa465c1eaa89b234122d94aaf792bb347295ccb743670e04bba6b8e [2023-11-06 23:11:32,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:11:32,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:11:32,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:11:32,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:11:32,725 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:11:32,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/unroll-5.wvr.c [2023-11-06 23:11:35,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:11:35,982 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:11:35,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/sv-benchmarks/c/weaver/unroll-5.wvr.c [2023-11-06 23:11:35,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/data/0d4450d52/792f350fc6784a9d9aed9b09756199ba/FLAGd0555ae0d [2023-11-06 23:11:36,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/data/0d4450d52/792f350fc6784a9d9aed9b09756199ba [2023-11-06 23:11:36,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:11:36,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:11:36,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:36,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:11:36,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:11:36,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d3b215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36, skipping insertion in model container [2023-11-06 23:11:36,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:11:36,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:36,271 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:11:36,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:36,333 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:11:36,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36 WrapperNode [2023-11-06 23:11:36,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:36,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:36,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:11:36,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:11:36,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,407 INFO L138 Inliner]: procedures = 24, calls = 39, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 350 [2023-11-06 23:11:36,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:36,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:11:36,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:11:36,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:11:36,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:11:36,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:11:36,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:11:36,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:11:36,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:36,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:36,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:11:36,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:11:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:11:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 23:11:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 23:11:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 23:11:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 23:11:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:11:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:11:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:11:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:11:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:11:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:11:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:11:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:11:36,606 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:11:36,806 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:11:36,808 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:11:37,563 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:11:37,588 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:11:37,590 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 23:11:37,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:37 BoogieIcfgContainer [2023-11-06 23:11:37,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:11:37,599 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:11:37,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:11:37,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:11:37,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:11:36" (1/3) ... [2023-11-06 23:11:37,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bfb68e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:37, skipping insertion in model container [2023-11-06 23:11:37,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36" (2/3) ... [2023-11-06 23:11:37,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bfb68e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:37, skipping insertion in model container [2023-11-06 23:11:37,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:37" (3/3) ... [2023-11-06 23:11:37,610 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.c [2023-11-06 23:11:37,621 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 23:11:37,633 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:11:37,633 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2023-11-06 23:11:37,633 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:11:37,869 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 23:11:37,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 441 places, 457 transitions, 928 flow [2023-11-06 23:11:38,248 INFO L124 PetriNetUnfolderBase]: 23/455 cut-off events. [2023-11-06 23:11:38,249 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 23:11:38,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 455 events. 23/455 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 588 event pairs, 0 based on Foata normal form. 0/377 useless extension candidates. Maximal degree in co-relation 307. Up to 2 conditions per place. [2023-11-06 23:11:38,272 INFO L82 GeneralOperation]: Start removeDead. Operand has 441 places, 457 transitions, 928 flow [2023-11-06 23:11:38,283 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 419 places, 434 transitions, 880 flow [2023-11-06 23:11:38,288 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:11:38,311 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 419 places, 434 transitions, 880 flow [2023-11-06 23:11:38,315 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 419 places, 434 transitions, 880 flow [2023-11-06 23:11:38,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 419 places, 434 transitions, 880 flow [2023-11-06 23:11:38,420 INFO L124 PetriNetUnfolderBase]: 22/434 cut-off events. [2023-11-06 23:11:38,420 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 23:11:38,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 434 events. 22/434 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 524 event pairs, 0 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 307. Up to 2 conditions per place. [2023-11-06 23:11:38,449 INFO L119 LiptonReduction]: Number of co-enabled transitions 35316 [2023-11-06 23:11:49,774 INFO L134 LiptonReduction]: Checked pairs total: 137765 [2023-11-06 23:11:49,775 INFO L136 LiptonReduction]: Total number of compositions: 475 [2023-11-06 23:11:49,792 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:11:49,799 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=LoopsAndPotentialCycles, 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;@1154f0b8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:11:49,800 INFO L358 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2023-11-06 23:11:49,802 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 23:11:49,802 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 23:11:49,802 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:11:49,802 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:49,803 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 23:11:49,803 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-06 23:11:49,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:49,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1770, now seen corresponding path program 1 times [2023-11-06 23:11:49,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:49,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151980650] [2023-11-06 23:11:49,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:49,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:49,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:49,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151980650] [2023-11-06 23:11:49,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151980650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:49,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:49,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 23:11:49,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186258011] [2023-11-06 23:11:49,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:49,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:11:49,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:49,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:11:49,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:11:49,978 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 438 out of 932 [2023-11-06 23:11:49,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 144 transitions, 300 flow. Second operand has 2 states, 2 states have (on average 438.5) internal successors, (877), 2 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:49,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:49,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 438 of 932 [2023-11-06 23:11:49,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:50,504 INFO L124 PetriNetUnfolderBase]: 981/2481 cut-off events. [2023-11-06 23:11:50,504 INFO L125 PetriNetUnfolderBase]: For 99/99 co-relation queries the response was YES. [2023-11-06 23:11:50,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4134 conditions, 2481 events. 981/2481 cut-off events. For 99/99 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 15783 event pairs, 800 based on Foata normal form. 378/2648 useless extension candidates. Maximal degree in co-relation 3731. Up to 1599 conditions per place. [2023-11-06 23:11:50,528 INFO L140 encePairwiseOnDemand]: 892/932 looper letters, 47 selfloop transitions, 0 changer transitions 1/104 dead transitions. [2023-11-06 23:11:50,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 104 transitions, 316 flow [2023-11-06 23:11:50,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:11:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 23:11:50,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 964 transitions. [2023-11-06 23:11:50,549 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5171673819742489 [2023-11-06 23:11:50,550 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 964 transitions. [2023-11-06 23:11:50,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 964 transitions. [2023-11-06 23:11:50,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:50,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 964 transitions. [2023-11-06 23:11:50,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 482.0) internal successors, (964), 2 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:50,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 932.0) internal successors, (2796), 3 states have internal predecessors, (2796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:50,575 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 932.0) internal successors, (2796), 3 states have internal predecessors, (2796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:50,577 INFO L175 Difference]: Start difference. First operand has 140 places, 144 transitions, 300 flow. Second operand 2 states and 964 transitions. [2023-11-06 23:11:50,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 104 transitions, 316 flow [2023-11-06 23:11:50,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 104 transitions, 308 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:11:50,587 INFO L231 Difference]: Finished difference. Result has 104 places, 103 transitions, 209 flow [2023-11-06 23:11:50,590 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=932, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=209, PETRI_PLACES=104, PETRI_TRANSITIONS=103} [2023-11-06 23:11:50,594 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -36 predicate places. [2023-11-06 23:11:50,595 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 103 transitions, 209 flow [2023-11-06 23:11:50,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 438.5) internal successors, (877), 2 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:50,596 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:50,596 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 23:11:50,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:11:50,597 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-06 23:11:50,598 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:50,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1845466242, now seen corresponding path program 1 times [2023-11-06 23:11:50,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:50,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040168135] [2023-11-06 23:11:50,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:50,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:50,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:50,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040168135] [2023-11-06 23:11:50,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040168135] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:50,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:50,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:50,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799335797] [2023-11-06 23:11:50,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:50,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:50,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:50,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:50,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:50,747 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 932 [2023-11-06 23:11:50,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 103 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 429.6666666666667) internal successors, (1289), 3 states have internal predecessors, (1289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:50,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:50,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 932 [2023-11-06 23:11:50,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:51,181 INFO L124 PetriNetUnfolderBase]: 1030/2601 cut-off events. [2023-11-06 23:11:51,181 INFO L125 PetriNetUnfolderBase]: For 31/54 co-relation queries the response was YES. [2023-11-06 23:11:51,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4346 conditions, 2601 events. 1030/2601 cut-off events. For 31/54 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 16274 event pairs, 921 based on Foata normal form. 0/2469 useless extension candidates. Maximal degree in co-relation 4343. Up to 1729 conditions per place. [2023-11-06 23:11:51,205 INFO L140 encePairwiseOnDemand]: 929/932 looper letters, 48 selfloop transitions, 1 changer transitions 0/101 dead transitions. [2023-11-06 23:11:51,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 101 transitions, 303 flow [2023-11-06 23:11:51,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:51,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:11:51,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1335 transitions. [2023-11-06 23:11:51,211 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47746781115879827 [2023-11-06 23:11:51,212 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1335 transitions. [2023-11-06 23:11:51,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1335 transitions. [2023-11-06 23:11:51,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:51,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1335 transitions. [2023-11-06 23:11:51,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:51,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 932.0) internal successors, (3728), 4 states have internal predecessors, (3728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:51,230 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 932.0) internal successors, (3728), 4 states have internal predecessors, (3728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:51,230 INFO L175 Difference]: Start difference. First operand has 104 places, 103 transitions, 209 flow. Second operand 3 states and 1335 transitions. [2023-11-06 23:11:51,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 101 transitions, 303 flow [2023-11-06 23:11:51,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 101 transitions, 303 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:11:51,234 INFO L231 Difference]: Finished difference. Result has 103 places, 101 transitions, 207 flow [2023-11-06 23:11:51,235 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=932, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=207, PETRI_PLACES=103, PETRI_TRANSITIONS=101} [2023-11-06 23:11:51,236 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -37 predicate places. [2023-11-06 23:11:51,236 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 101 transitions, 207 flow [2023-11-06 23:11:51,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.6666666666667) internal successors, (1289), 3 states have internal predecessors, (1289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:51,238 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:51,238 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:51,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:11:51,239 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-06 23:11:51,239 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:51,240 INFO L85 PathProgramCache]: Analyzing trace with hash -327786375, now seen corresponding path program 1 times [2023-11-06 23:11:51,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:51,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685968267] [2023-11-06 23:11:51,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:51,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:51,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:51,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:51,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685968267] [2023-11-06 23:11:51,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685968267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:51,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:51,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:51,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171329127] [2023-11-06 23:11:51,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:51,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:51,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:51,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:51,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:51,364 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 932 [2023-11-06 23:11:51,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 101 transitions, 207 flow. Second operand has 3 states, 3 states have (on average 415.0) internal successors, (1245), 3 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:51,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:51,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 932 [2023-11-06 23:11:51,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:51,766 INFO L124 PetriNetUnfolderBase]: 981/2347 cut-off events. [2023-11-06 23:11:51,766 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-11-06 23:11:51,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3959 conditions, 2347 events. 981/2347 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 14315 event pairs, 800 based on Foata normal form. 0/2137 useless extension candidates. Maximal degree in co-relation 3955. Up to 1597 conditions per place. [2023-11-06 23:11:51,789 INFO L140 encePairwiseOnDemand]: 925/932 looper letters, 46 selfloop transitions, 1 changer transitions 0/95 dead transitions. [2023-11-06 23:11:51,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 95 transitions, 289 flow [2023-11-06 23:11:51,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:51,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:11:51,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1292 transitions. [2023-11-06 23:11:51,795 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46208869814020026 [2023-11-06 23:11:51,796 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1292 transitions. [2023-11-06 23:11:51,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1292 transitions. [2023-11-06 23:11:51,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:51,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1292 transitions. [2023-11-06 23:11:51,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 430.6666666666667) internal successors, (1292), 3 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:51,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 932.0) internal successors, (3728), 4 states have internal predecessors, (3728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:51,814 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 932.0) internal successors, (3728), 4 states have internal predecessors, (3728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:51,814 INFO L175 Difference]: Start difference. First operand has 103 places, 101 transitions, 207 flow. Second operand 3 states and 1292 transitions. [2023-11-06 23:11:51,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 95 transitions, 289 flow [2023-11-06 23:11:51,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 95 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:11:51,821 INFO L231 Difference]: Finished difference. Result has 98 places, 95 transitions, 196 flow [2023-11-06 23:11:51,821 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=932, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=98, PETRI_TRANSITIONS=95} [2023-11-06 23:11:51,823 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -42 predicate places. [2023-11-06 23:11:51,823 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 196 flow [2023-11-06 23:11:51,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.0) internal successors, (1245), 3 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:51,825 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:51,825 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:51,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:11:51,830 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-06 23:11:51,831 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:51,831 INFO L85 PathProgramCache]: Analyzing trace with hash 984841671, now seen corresponding path program 1 times [2023-11-06 23:11:51,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:51,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957359491] [2023-11-06 23:11:51,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:51,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:52,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:52,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957359491] [2023-11-06 23:11:52,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957359491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:52,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:52,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:52,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963292300] [2023-11-06 23:11:52,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:52,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:52,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:52,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:52,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:52,139 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 932 [2023-11-06 23:11:52,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 434.0) internal successors, (1302), 3 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:52,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:52,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 932 [2023-11-06 23:11:52,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:52,582 INFO L124 PetriNetUnfolderBase]: 981/2348 cut-off events. [2023-11-06 23:11:52,582 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-11-06 23:11:52,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3962 conditions, 2348 events. 981/2348 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 14302 event pairs, 800 based on Foata normal form. 0/2137 useless extension candidates. Maximal degree in co-relation 3958. Up to 1598 conditions per place. [2023-11-06 23:11:52,604 INFO L140 encePairwiseOnDemand]: 929/932 looper letters, 46 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2023-11-06 23:11:52,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 96 transitions, 294 flow [2023-11-06 23:11:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:11:52,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1345 transitions. [2023-11-06 23:11:52,610 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48104434907010013 [2023-11-06 23:11:52,610 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1345 transitions. [2023-11-06 23:11:52,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1345 transitions. [2023-11-06 23:11:52,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:52,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1345 transitions. [2023-11-06 23:11:52,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:52,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 932.0) internal successors, (3728), 4 states have internal predecessors, (3728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:52,628 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 932.0) internal successors, (3728), 4 states have internal predecessors, (3728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:52,628 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 196 flow. Second operand 3 states and 1345 transitions. [2023-11-06 23:11:52,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 96 transitions, 294 flow [2023-11-06 23:11:52,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 293 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:11:52,635 INFO L231 Difference]: Finished difference. Result has 100 places, 96 transitions, 207 flow [2023-11-06 23:11:52,636 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=932, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=207, PETRI_PLACES=100, PETRI_TRANSITIONS=96} [2023-11-06 23:11:52,638 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -40 predicate places. [2023-11-06 23:11:52,638 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 96 transitions, 207 flow [2023-11-06 23:11:52,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 434.0) internal successors, (1302), 3 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:52,640 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:52,640 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:52,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:11:52,640 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-06 23:11:52,641 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:52,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1130987751, now seen corresponding path program 1 times [2023-11-06 23:11:52,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:52,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708493631] [2023-11-06 23:11:52,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:52,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:11:53,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:53,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708493631] [2023-11-06 23:11:53,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708493631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:53,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:53,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:11:53,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117752565] [2023-11-06 23:11:53,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:53,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:11:53,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:53,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:11:53,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:11:53,613 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 932 [2023-11-06 23:11:53,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 96 transitions, 207 flow. Second operand has 6 states, 6 states have (on average 425.8333333333333) internal successors, (2555), 6 states have internal predecessors, (2555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:53,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:53,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 932 [2023-11-06 23:11:53,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:54,717 INFO L124 PetriNetUnfolderBase]: 3333/5499 cut-off events. [2023-11-06 23:11:54,718 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:11:54,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10551 conditions, 5499 events. 3333/5499 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 33863 event pairs, 244 based on Foata normal form. 0/4933 useless extension candidates. Maximal degree in co-relation 10546. Up to 1840 conditions per place. [2023-11-06 23:11:54,767 INFO L140 encePairwiseOnDemand]: 927/932 looper letters, 200 selfloop transitions, 4 changer transitions 0/247 dead transitions. [2023-11-06 23:11:54,767 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 247 transitions, 917 flow [2023-11-06 23:11:54,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:11:54,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:11:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2748 transitions. [2023-11-06 23:11:54,779 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49141630901287553 [2023-11-06 23:11:54,780 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2748 transitions. [2023-11-06 23:11:54,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2748 transitions. [2023-11-06 23:11:54,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:54,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2748 transitions. [2023-11-06 23:11:54,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 458.0) internal successors, (2748), 6 states have internal predecessors, (2748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:54,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 932.0) internal successors, (6524), 7 states have internal predecessors, (6524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:54,815 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 932.0) internal successors, (6524), 7 states have internal predecessors, (6524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:54,815 INFO L175 Difference]: Start difference. First operand has 100 places, 96 transitions, 207 flow. Second operand 6 states and 2748 transitions. [2023-11-06 23:11:54,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 247 transitions, 917 flow [2023-11-06 23:11:54,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 247 transitions, 913 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-06 23:11:54,823 INFO L231 Difference]: Finished difference. Result has 103 places, 95 transitions, 209 flow [2023-11-06 23:11:54,823 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=932, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=209, PETRI_PLACES=103, PETRI_TRANSITIONS=95} [2023-11-06 23:11:54,824 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -37 predicate places. [2023-11-06 23:11:54,825 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 95 transitions, 209 flow [2023-11-06 23:11:54,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 425.8333333333333) internal successors, (2555), 6 states have internal predecessors, (2555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:54,828 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:54,828 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:54,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:11:54,828 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-06 23:11:54,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:54,829 INFO L85 PathProgramCache]: Analyzing trace with hash 709775198, now seen corresponding path program 1 times [2023-11-06 23:11:54,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:54,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857145984] [2023-11-06 23:11:54,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:54,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:54,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:11:54,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:54,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857145984] [2023-11-06 23:11:54,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857145984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:54,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:54,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:54,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864024516] [2023-11-06 23:11:54,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:54,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:54,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:54,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:54,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:54,908 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 932 [2023-11-06 23:11:54,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 95 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:54,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:54,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 932 [2023-11-06 23:11:54,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:55,366 INFO L124 PetriNetUnfolderBase]: 1169/2502 cut-off events. [2023-11-06 23:11:55,366 INFO L125 PetriNetUnfolderBase]: For 351/351 co-relation queries the response was YES. [2023-11-06 23:11:55,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4790 conditions, 2502 events. 1169/2502 cut-off events. For 351/351 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 14468 event pairs, 240 based on Foata normal form. 0/2263 useless extension candidates. Maximal degree in co-relation 4785. Up to 1770 conditions per place. [2023-11-06 23:11:55,383 INFO L140 encePairwiseOnDemand]: 924/932 looper letters, 64 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2023-11-06 23:11:55,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 104 transitions, 363 flow [2023-11-06 23:11:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:55,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:11:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1328 transitions. [2023-11-06 23:11:55,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.474964234620887 [2023-11-06 23:11:55,389 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1328 transitions. [2023-11-06 23:11:55,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1328 transitions. [2023-11-06 23:11:55,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:55,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1328 transitions. [2023-11-06 23:11:55,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 442.6666666666667) internal successors, (1328), 3 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:55,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 932.0) internal successors, (3728), 4 states have internal predecessors, (3728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:55,404 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 932.0) internal successors, (3728), 4 states have internal predecessors, (3728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:55,404 INFO L175 Difference]: Start difference. First operand has 103 places, 95 transitions, 209 flow. Second operand 3 states and 1328 transitions. [2023-11-06 23:11:55,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 104 transitions, 363 flow [2023-11-06 23:11:55,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 104 transitions, 354 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:11:55,409 INFO L231 Difference]: Finished difference. Result has 96 places, 91 transitions, 204 flow [2023-11-06 23:11:55,409 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=932, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=96, PETRI_TRANSITIONS=91} [2023-11-06 23:11:55,410 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -44 predicate places. [2023-11-06 23:11:55,410 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 91 transitions, 204 flow [2023-11-06 23:11:55,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:55,412 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:55,412 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:55,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:11:55,412 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-06 23:11:55,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:55,413 INFO L85 PathProgramCache]: Analyzing trace with hash -730408826, now seen corresponding path program 1 times [2023-11-06 23:11:55,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:55,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652653767] [2023-11-06 23:11:55,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:55,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:11:55,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:55,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652653767] [2023-11-06 23:11:55,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652653767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:55,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:55,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:11:55,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189900165] [2023-11-06 23:11:55,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:55,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:11:55,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:55,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:11:55,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:11:56,304 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 932 [2023-11-06 23:11:56,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 91 transitions, 204 flow. Second operand has 6 states, 6 states have (on average 426.5) internal successors, (2559), 6 states have internal predecessors, (2559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:56,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:56,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 932 [2023-11-06 23:11:56,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:57,203 INFO L124 PetriNetUnfolderBase]: 1464/2996 cut-off events. [2023-11-06 23:11:57,204 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES. [2023-11-06 23:11:57,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5546 conditions, 2996 events. 1464/2996 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 17201 event pairs, 829 based on Foata normal form. 0/2742 useless extension candidates. Maximal degree in co-relation 5541. Up to 1766 conditions per place. [2023-11-06 23:11:57,231 INFO L140 encePairwiseOnDemand]: 926/932 looper letters, 180 selfloop transitions, 5 changer transitions 0/222 dead transitions. [2023-11-06 23:11:57,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 222 transitions, 840 flow [2023-11-06 23:11:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:11:57,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:11:57,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2728 transitions. [2023-11-06 23:11:57,242 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48783977110157367 [2023-11-06 23:11:57,242 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2728 transitions. [2023-11-06 23:11:57,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2728 transitions. [2023-11-06 23:11:57,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:57,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2728 transitions. [2023-11-06 23:11:57,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 454.6666666666667) internal successors, (2728), 6 states have internal predecessors, (2728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:57,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 932.0) internal successors, (6524), 7 states have internal predecessors, (6524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:57,271 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 932.0) internal successors, (6524), 7 states have internal predecessors, (6524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:57,271 INFO L175 Difference]: Start difference. First operand has 96 places, 91 transitions, 204 flow. Second operand 6 states and 2728 transitions. [2023-11-06 23:11:57,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 222 transitions, 840 flow [2023-11-06 23:11:57,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 222 transitions, 840 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:11:57,277 INFO L231 Difference]: Finished difference. Result has 100 places, 90 transitions, 212 flow [2023-11-06 23:11:57,278 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=932, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=212, PETRI_PLACES=100, PETRI_TRANSITIONS=90} [2023-11-06 23:11:57,278 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -40 predicate places. [2023-11-06 23:11:57,279 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 90 transitions, 212 flow [2023-11-06 23:11:57,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 426.5) internal successors, (2559), 6 states have internal predecessors, (2559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:57,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:57,281 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:57,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:11:57,281 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-06 23:11:57,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:57,284 INFO L85 PathProgramCache]: Analyzing trace with hash -24742248, now seen corresponding path program 1 times [2023-11-06 23:11:57,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:57,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306379551] [2023-11-06 23:11:57,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:57,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:57,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:11:57,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:57,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306379551] [2023-11-06 23:11:57,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306379551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:57,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:57,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:11:57,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935162731] [2023-11-06 23:11:57,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:57,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:11:57,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:57,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:11:57,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:11:58,186 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 932 [2023-11-06 23:11:58,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 90 transitions, 212 flow. Second operand has 6 states, 6 states have (on average 398.5) internal successors, (2391), 6 states have internal predecessors, (2391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:58,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:58,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 932 [2023-11-06 23:11:58,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:58,813 INFO L124 PetriNetUnfolderBase]: 1545/2784 cut-off events. [2023-11-06 23:11:58,814 INFO L125 PetriNetUnfolderBase]: For 203/203 co-relation queries the response was YES. [2023-11-06 23:11:58,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5642 conditions, 2784 events. 1545/2784 cut-off events. For 203/203 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 14398 event pairs, 704 based on Foata normal form. 0/2496 useless extension candidates. Maximal degree in co-relation 5636. Up to 1511 conditions per place. [2023-11-06 23:11:58,835 INFO L140 encePairwiseOnDemand]: 901/932 looper letters, 82 selfloop transitions, 26 changer transitions 0/129 dead transitions. [2023-11-06 23:11:58,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 129 transitions, 526 flow [2023-11-06 23:11:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:11:58,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:11:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2487 transitions. [2023-11-06 23:11:58,848 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4447424892703863 [2023-11-06 23:11:58,848 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2487 transitions. [2023-11-06 23:11:58,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2487 transitions. [2023-11-06 23:11:58,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:58,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2487 transitions. [2023-11-06 23:11:58,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 414.5) internal successors, (2487), 6 states have internal predecessors, (2487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:58,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 932.0) internal successors, (6524), 7 states have internal predecessors, (6524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:58,872 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 932.0) internal successors, (6524), 7 states have internal predecessors, (6524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:58,872 INFO L175 Difference]: Start difference. First operand has 100 places, 90 transitions, 212 flow. Second operand 6 states and 2487 transitions. [2023-11-06 23:11:58,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 129 transitions, 526 flow [2023-11-06 23:11:58,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 129 transitions, 508 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 23:11:58,877 INFO L231 Difference]: Finished difference. Result has 95 places, 85 transitions, 244 flow [2023-11-06 23:11:58,878 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=932, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=244, PETRI_PLACES=95, PETRI_TRANSITIONS=85} [2023-11-06 23:11:58,878 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -45 predicate places. [2023-11-06 23:11:58,879 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 85 transitions, 244 flow [2023-11-06 23:11:58,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 398.5) internal successors, (2391), 6 states have internal predecessors, (2391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:58,880 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:58,880 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] [2023-11-06 23:11:58,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 23:11:58,881 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-06 23:11:58,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:58,881 INFO L85 PathProgramCache]: Analyzing trace with hash 388120452, now seen corresponding path program 1 times [2023-11-06 23:11:58,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:58,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17388281] [2023-11-06 23:11:58,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:58,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:59,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:11:59,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:59,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17388281] [2023-11-06 23:11:59,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17388281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:59,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:59,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:11:59,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275400553] [2023-11-06 23:11:59,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:59,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:11:59,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:59,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:11:59,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:11:59,733 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 932 [2023-11-06 23:11:59,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 85 transitions, 244 flow. Second operand has 6 states, 6 states have (on average 426.3333333333333) internal successors, (2558), 6 states have internal predecessors, (2558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:59,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:59,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 932 [2023-11-06 23:11:59,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:12:00,394 INFO L124 PetriNetUnfolderBase]: 1228/2524 cut-off events. [2023-11-06 23:12:00,394 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2023-11-06 23:12:00,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5276 conditions, 2524 events. 1228/2524 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 14513 event pairs, 796 based on Foata normal form. 0/2291 useless extension candidates. Maximal degree in co-relation 5270. Up to 1694 conditions per place. [2023-11-06 23:12:00,405 INFO L140 encePairwiseOnDemand]: 927/932 looper letters, 0 selfloop transitions, 0 changer transitions 204/204 dead transitions. [2023-11-06 23:12:00,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 204 transitions, 916 flow [2023-11-06 23:12:00,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:12:00,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:12:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2716 transitions. [2023-11-06 23:12:00,416 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48569384835479257 [2023-11-06 23:12:00,417 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2716 transitions. [2023-11-06 23:12:00,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2716 transitions. [2023-11-06 23:12:00,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:00,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2716 transitions. [2023-11-06 23:12:00,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 452.6666666666667) internal successors, (2716), 6 states have internal predecessors, (2716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:00,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 932.0) internal successors, (6524), 7 states have internal predecessors, (6524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:00,440 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 932.0) internal successors, (6524), 7 states have internal predecessors, (6524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:00,440 INFO L175 Difference]: Start difference. First operand has 95 places, 85 transitions, 244 flow. Second operand 6 states and 2716 transitions. [2023-11-06 23:12:00,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 204 transitions, 916 flow [2023-11-06 23:12:00,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 204 transitions, 776 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 23:12:00,447 INFO L231 Difference]: Finished difference. Result has 94 places, 0 transitions, 0 flow [2023-11-06 23:12:00,448 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=932, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=94, PETRI_TRANSITIONS=0} [2023-11-06 23:12:00,448 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -46 predicate places. [2023-11-06 23:12:00,449 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 0 transitions, 0 flow [2023-11-06 23:12:00,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 426.3333333333333) internal successors, (2558), 6 states have internal predecessors, (2558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:00,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (100 of 101 remaining) [2023-11-06 23:12:00,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (99 of 101 remaining) [2023-11-06 23:12:00,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (98 of 101 remaining) [2023-11-06 23:12:00,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (97 of 101 remaining) [2023-11-06 23:12:00,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (96 of 101 remaining) [2023-11-06 23:12:00,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (95 of 101 remaining) [2023-11-06 23:12:00,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (94 of 101 remaining) [2023-11-06 23:12:00,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (93 of 101 remaining) [2023-11-06 23:12:00,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (92 of 101 remaining) [2023-11-06 23:12:00,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (91 of 101 remaining) [2023-11-06 23:12:00,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (90 of 101 remaining) [2023-11-06 23:12:00,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (89 of 101 remaining) [2023-11-06 23:12:00,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (88 of 101 remaining) [2023-11-06 23:12:00,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (87 of 101 remaining) [2023-11-06 23:12:00,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (86 of 101 remaining) [2023-11-06 23:12:00,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (85 of 101 remaining) [2023-11-06 23:12:00,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (84 of 101 remaining) [2023-11-06 23:12:00,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (83 of 101 remaining) [2023-11-06 23:12:00,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (82 of 101 remaining) [2023-11-06 23:12:00,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 101 remaining) [2023-11-06 23:12:00,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (80 of 101 remaining) [2023-11-06 23:12:00,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (79 of 101 remaining) [2023-11-06 23:12:00,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (78 of 101 remaining) [2023-11-06 23:12:00,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (77 of 101 remaining) [2023-11-06 23:12:00,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (76 of 101 remaining) [2023-11-06 23:12:00,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (75 of 101 remaining) [2023-11-06 23:12:00,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (74 of 101 remaining) [2023-11-06 23:12:00,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (73 of 101 remaining) [2023-11-06 23:12:00,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (72 of 101 remaining) [2023-11-06 23:12:00,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (71 of 101 remaining) [2023-11-06 23:12:00,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (70 of 101 remaining) [2023-11-06 23:12:00,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (69 of 101 remaining) [2023-11-06 23:12:00,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (68 of 101 remaining) [2023-11-06 23:12:00,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (67 of 101 remaining) [2023-11-06 23:12:00,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (66 of 101 remaining) [2023-11-06 23:12:00,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (65 of 101 remaining) [2023-11-06 23:12:00,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (64 of 101 remaining) [2023-11-06 23:12:00,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (63 of 101 remaining) [2023-11-06 23:12:00,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (62 of 101 remaining) [2023-11-06 23:12:00,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (61 of 101 remaining) [2023-11-06 23:12:00,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (60 of 101 remaining) [2023-11-06 23:12:00,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (59 of 101 remaining) [2023-11-06 23:12:00,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (58 of 101 remaining) [2023-11-06 23:12:00,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (57 of 101 remaining) [2023-11-06 23:12:00,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (56 of 101 remaining) [2023-11-06 23:12:00,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (55 of 101 remaining) [2023-11-06 23:12:00,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (54 of 101 remaining) [2023-11-06 23:12:00,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 101 remaining) [2023-11-06 23:12:00,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 101 remaining) [2023-11-06 23:12:00,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (51 of 101 remaining) [2023-11-06 23:12:00,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (50 of 101 remaining) [2023-11-06 23:12:00,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (49 of 101 remaining) [2023-11-06 23:12:00,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (48 of 101 remaining) [2023-11-06 23:12:00,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (47 of 101 remaining) [2023-11-06 23:12:00,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 101 remaining) [2023-11-06 23:12:00,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 101 remaining) [2023-11-06 23:12:00,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 101 remaining) [2023-11-06 23:12:00,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (43 of 101 remaining) [2023-11-06 23:12:00,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (42 of 101 remaining) [2023-11-06 23:12:00,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (41 of 101 remaining) [2023-11-06 23:12:00,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (40 of 101 remaining) [2023-11-06 23:12:00,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (39 of 101 remaining) [2023-11-06 23:12:00,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (38 of 101 remaining) [2023-11-06 23:12:00,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (37 of 101 remaining) [2023-11-06 23:12:00,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (36 of 101 remaining) [2023-11-06 23:12:00,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 101 remaining) [2023-11-06 23:12:00,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 101 remaining) [2023-11-06 23:12:00,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 101 remaining) [2023-11-06 23:12:00,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 101 remaining) [2023-11-06 23:12:00,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (31 of 101 remaining) [2023-11-06 23:12:00,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (30 of 101 remaining) [2023-11-06 23:12:00,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 101 remaining) [2023-11-06 23:12:00,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (28 of 101 remaining) [2023-11-06 23:12:00,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (27 of 101 remaining) [2023-11-06 23:12:00,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 101 remaining) [2023-11-06 23:12:00,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (25 of 101 remaining) [2023-11-06 23:12:00,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 101 remaining) [2023-11-06 23:12:00,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 101 remaining) [2023-11-06 23:12:00,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 101 remaining) [2023-11-06 23:12:00,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (21 of 101 remaining) [2023-11-06 23:12:00,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (20 of 101 remaining) [2023-11-06 23:12:00,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 101 remaining) [2023-11-06 23:12:00,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 101 remaining) [2023-11-06 23:12:00,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (17 of 101 remaining) [2023-11-06 23:12:00,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (16 of 101 remaining) [2023-11-06 23:12:00,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (15 of 101 remaining) [2023-11-06 23:12:00,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (14 of 101 remaining) [2023-11-06 23:12:00,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (13 of 101 remaining) [2023-11-06 23:12:00,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (12 of 101 remaining) [2023-11-06 23:12:00,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (11 of 101 remaining) [2023-11-06 23:12:00,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (10 of 101 remaining) [2023-11-06 23:12:00,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (9 of 101 remaining) [2023-11-06 23:12:00,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (8 of 101 remaining) [2023-11-06 23:12:00,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (7 of 101 remaining) [2023-11-06 23:12:00,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (6 of 101 remaining) [2023-11-06 23:12:00,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (5 of 101 remaining) [2023-11-06 23:12:00,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (4 of 101 remaining) [2023-11-06 23:12:00,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (3 of 101 remaining) [2023-11-06 23:12:00,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (2 of 101 remaining) [2023-11-06 23:12:00,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (1 of 101 remaining) [2023-11-06 23:12:00,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (0 of 101 remaining) [2023-11-06 23:12:00,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 23:12:00,474 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:00,480 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 23:12:00,480 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:12:00,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:12:00 BasicIcfg [2023-11-06 23:12:00,485 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:12:00,486 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:12:00,486 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:12:00,486 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:12:00,487 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:37" (3/4) ... [2023-11-06 23:12:00,489 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:12:00,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 23:12:00,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 23:12:00,500 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-06 23:12:00,501 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 23:12:00,501 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:12:00,502 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:12:00,562 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:12:00,562 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:12:00,563 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:12:00,563 INFO L158 Benchmark]: Toolchain (without parser) took 24551.25ms. Allocated memory was 146.8MB in the beginning and 350.2MB in the end (delta: 203.4MB). Free memory was 104.8MB in the beginning and 203.6MB in the end (delta: -98.8MB). Peak memory consumption was 107.5MB. Max. memory is 16.1GB. [2023-11-06 23:12:00,564 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:12:00,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.18ms. Allocated memory is still 146.8MB. Free memory was 104.6MB in the beginning and 91.6MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 23:12:00,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.35ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 88.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:12:00,565 INFO L158 Benchmark]: Boogie Preprocessor took 96.82ms. Allocated memory is still 146.8MB. Free memory was 88.4MB in the beginning and 85.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:12:00,566 INFO L158 Benchmark]: RCFGBuilder took 1089.58ms. Allocated memory is still 146.8MB. Free memory was 85.3MB in the beginning and 92.4MB in the end (delta: -7.1MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-06 23:12:00,566 INFO L158 Benchmark]: TraceAbstraction took 22886.87ms. Allocated memory was 146.8MB in the beginning and 350.2MB in the end (delta: 203.4MB). Free memory was 91.7MB in the beginning and 207.9MB in the end (delta: -116.2MB). Peak memory consumption was 208.6MB. Max. memory is 16.1GB. [2023-11-06 23:12:00,566 INFO L158 Benchmark]: Witness Printer took 76.71ms. Allocated memory is still 350.2MB. Free memory was 207.9MB in the beginning and 203.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:12:00,568 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.18ms. Allocated memory is still 146.8MB. Free memory was 104.6MB in the beginning and 91.6MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.35ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 88.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.82ms. Allocated memory is still 146.8MB. Free memory was 88.4MB in the beginning and 85.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1089.58ms. Allocated memory is still 146.8MB. Free memory was 85.3MB in the beginning and 92.4MB in the end (delta: -7.1MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * TraceAbstraction took 22886.87ms. Allocated memory was 146.8MB in the beginning and 350.2MB in the end (delta: 203.4MB). Free memory was 91.7MB in the beginning and 207.9MB in the end (delta: -116.2MB). Peak memory consumption was 208.6MB. Max. memory is 16.1GB. * Witness Printer took 76.71ms. Allocated memory is still 350.2MB. Free memory was 207.9MB in the beginning and 203.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.5s, 419 PlacesBefore, 140 PlacesAfterwards, 434 TransitionsBefore, 144 TransitionsAfterwards, 35316 CoEnabledTransitionPairs, 8 FixpointIterations, 134 TrivialSequentialCompositions, 267 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 46 ConcurrentYvCompositions, 11 ChoiceCompositions, 475 TotalNumberOfCompositions, 137765 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 41019, independent: 39422, independent conditional: 0, independent unconditional: 39422, dependent: 1597, dependent conditional: 0, dependent unconditional: 1597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 19869, independent: 19581, independent conditional: 0, independent unconditional: 19581, dependent: 288, dependent conditional: 0, dependent unconditional: 288, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 41019, independent: 19841, independent conditional: 0, independent unconditional: 19841, dependent: 1309, dependent conditional: 0, dependent unconditional: 1309, unknown: 19869, unknown conditional: 0, unknown unconditional: 19869] , Statistics on independence cache: Total cache size (in pairs): 1343, Positive cache size: 1201, Positive conditional cache size: 0, Positive unconditional cache size: 1201, Negative cache size: 142, Negative conditional cache size: 0, Negative unconditional cache size: 142, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 711 locations, 101 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: 22.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1477 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 929 mSDsluCounter, 135 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 603 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3188 IncrementalHoareTripleChecker+Invalid, 3791 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 603 mSolverCounterUnsat, 135 mSDtfsCounter, 3188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=300occurred in iteration=0, InterpolantAutomatonStates: 38, 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, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 497 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 5/5 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 55 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 23:12:00,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31157e3-7582-42c2-9e6a-544d9ce838d7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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