./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86fd3f5568a14080e9383b358193a040777497b13f7355a03ef8d73bf4678822 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:24:35,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:24:35,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 03:24:35,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:24:35,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:24:35,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:24:35,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:24:35,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:24:35,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:24:35,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:24:35,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:24:35,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:24:35,790 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:24:35,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:24:35,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:24:35,792 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:24:35,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:24:35,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:24:35,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:24:35,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:24:35,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:24:35,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:24:35,800 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 03:24:35,800 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:24:35,801 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:24:35,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:24:35,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:24:35,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:24:35,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:24:35,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:24:35,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:24:35,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:24:35,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:24:35,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:24:35,805 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:24:35,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:24:35,805 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:24:35,805 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:24:35,805 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:24:35,806 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:24:35,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:24:35,806 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_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86fd3f5568a14080e9383b358193a040777497b13f7355a03ef8d73bf4678822 [2023-11-29 03:24:36,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:24:36,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:24:36,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:24:36,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:24:36,066 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:24:36,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c [2023-11-29 03:24:38,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:24:39,123 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:24:39,124 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/sv-benchmarks/c/weaver/chl-sre-trans.wvr.c [2023-11-29 03:24:39,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/data/44c5eb761/4cea0da94b0948498254acb2f6b7bdf6/FLAG66788c9dc [2023-11-29 03:24:39,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/data/44c5eb761/4cea0da94b0948498254acb2f6b7bdf6 [2023-11-29 03:24:39,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:24:39,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:24:39,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:24:39,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:24:39,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:24:39,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:24:39" (1/1) ... [2023-11-29 03:24:39,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429e97cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39, skipping insertion in model container [2023-11-29 03:24:39,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:24:39" (1/1) ... [2023-11-29 03:24:39,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:24:39,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:24:39,376 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:24:39,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:24:39,422 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:24:39,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39 WrapperNode [2023-11-29 03:24:39,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:24:39,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:24:39,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:24:39,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:24:39,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39" (1/1) ... [2023-11-29 03:24:39,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39" (1/1) ... [2023-11-29 03:24:39,466 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2023-11-29 03:24:39,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:24:39,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:24:39,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:24:39,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:24:39,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39" (1/1) ... [2023-11-29 03:24:39,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39" (1/1) ... [2023-11-29 03:24:39,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39" (1/1) ... [2023-11-29 03:24:39,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39" (1/1) ... [2023-11-29 03:24:39,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39" (1/1) ... [2023-11-29 03:24:39,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39" (1/1) ... [2023-11-29 03:24:39,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39" (1/1) ... [2023-11-29 03:24:39,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39" (1/1) ... [2023-11-29 03:24:39,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:24:39,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:24:39,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:24:39,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:24:39,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39" (1/1) ... [2023-11-29 03:24:39,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:24:39,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:24:39,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:24:39,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:24:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:24:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 03:24:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 03:24:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 03:24:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 03:24:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 03:24:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 03:24:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 03:24:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:24:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 03:24:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:24:39,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:24:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 03:24:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:24:39,569 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 03:24:39,676 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:24:39,678 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:24:39,986 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:24:40,002 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:24:40,002 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 03:24:40,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:24:40 BoogieIcfgContainer [2023-11-29 03:24:40,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:24:40,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:24:40,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:24:40,010 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:24:40,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:24:39" (1/3) ... [2023-11-29 03:24:40,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312ee5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:24:40, skipping insertion in model container [2023-11-29 03:24:40,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:24:39" (2/3) ... [2023-11-29 03:24:40,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312ee5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:24:40, skipping insertion in model container [2023-11-29 03:24:40,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:24:40" (3/3) ... [2023-11-29 03:24:40,012 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-trans.wvr.c [2023-11-29 03:24:40,019 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 03:24:40,027 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:24:40,027 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2023-11-29 03:24:40,027 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 03:24:40,117 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 03:24:40,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 203 places, 199 transitions, 419 flow [2023-11-29 03:24:40,239 INFO L124 PetriNetUnfolderBase]: 6/196 cut-off events. [2023-11-29 03:24:40,239 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 03:24:40,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 196 events. 6/196 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 269 event pairs, 0 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 108. Up to 2 conditions per place. [2023-11-29 03:24:40,247 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 199 transitions, 419 flow [2023-11-29 03:24:40,253 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 175 places, 169 transitions, 356 flow [2023-11-29 03:24:40,263 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:24:40,271 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25a9e26c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:24:40,271 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-11-29 03:24:40,276 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 03:24:40,277 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-29 03:24:40,277 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 03:24:40,277 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:40,278 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:40,278 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:40,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:40,283 INFO L85 PathProgramCache]: Analyzing trace with hash 219491469, now seen corresponding path program 1 times [2023-11-29 03:24:40,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:40,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200100001] [2023-11-29 03:24:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:40,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:40,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:40,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:40,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200100001] [2023-11-29 03:24:40,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200100001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:40,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:40,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:40,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367567313] [2023-11-29 03:24:40,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:40,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:40,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:40,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:40,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:40,561 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 199 [2023-11-29 03:24:40,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 169 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:40,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:40,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 199 [2023-11-29 03:24:40,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:40,654 INFO L124 PetriNetUnfolderBase]: 12/257 cut-off events. [2023-11-29 03:24:40,654 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-29 03:24:40,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 257 events. 12/257 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 706 event pairs, 5 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 177. Up to 22 conditions per place. [2023-11-29 03:24:40,660 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 11 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2023-11-29 03:24:40,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 168 transitions, 380 flow [2023-11-29 03:24:40,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:40,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:24:40,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2023-11-29 03:24:40,675 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9380234505862647 [2023-11-29 03:24:40,676 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2023-11-29 03:24:40,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2023-11-29 03:24:40,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:40,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2023-11-29 03:24:40,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:40,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:40,694 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:40,696 INFO L175 Difference]: Start difference. First operand has 175 places, 169 transitions, 356 flow. Second operand 3 states and 560 transitions. [2023-11-29 03:24:40,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 168 transitions, 380 flow [2023-11-29 03:24:40,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 168 transitions, 368 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 03:24:40,704 INFO L231 Difference]: Finished difference. Result has 170 places, 168 transitions, 346 flow [2023-11-29 03:24:40,706 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=170, PETRI_TRANSITIONS=168} [2023-11-29 03:24:40,709 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -5 predicate places. [2023-11-29 03:24:40,709 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 168 transitions, 346 flow [2023-11-29 03:24:40,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:40,710 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:40,710 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:40,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:24:40,711 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:40,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:40,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1626564497, now seen corresponding path program 1 times [2023-11-29 03:24:40,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:40,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457681991] [2023-11-29 03:24:40,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:40,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:40,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:40,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457681991] [2023-11-29 03:24:40,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457681991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:40,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:40,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:40,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443702881] [2023-11-29 03:24:40,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:40,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:40,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:40,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:40,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:40,814 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 199 [2023-11-29 03:24:40,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 168 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:40,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:40,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 199 [2023-11-29 03:24:40,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:40,883 INFO L124 PetriNetUnfolderBase]: 23/324 cut-off events. [2023-11-29 03:24:40,884 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 03:24:40,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 324 events. 23/324 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1194 event pairs, 12 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 345. Up to 35 conditions per place. [2023-11-29 03:24:40,889 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 12 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2023-11-29 03:24:40,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 167 transitions, 372 flow [2023-11-29 03:24:40,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:40,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:24:40,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 558 transitions. [2023-11-29 03:24:40,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9346733668341709 [2023-11-29 03:24:40,892 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 558 transitions. [2023-11-29 03:24:40,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 558 transitions. [2023-11-29 03:24:40,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:40,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 558 transitions. [2023-11-29 03:24:40,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:40,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:40,899 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:40,899 INFO L175 Difference]: Start difference. First operand has 170 places, 168 transitions, 346 flow. Second operand 3 states and 558 transitions. [2023-11-29 03:24:40,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 167 transitions, 372 flow [2023-11-29 03:24:40,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 167 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:24:40,905 INFO L231 Difference]: Finished difference. Result has 169 places, 167 transitions, 344 flow [2023-11-29 03:24:40,906 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=169, PETRI_TRANSITIONS=167} [2023-11-29 03:24:40,906 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -6 predicate places. [2023-11-29 03:24:40,907 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 167 transitions, 344 flow [2023-11-29 03:24:40,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:40,908 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:40,908 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:40,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:24:40,908 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:40,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:40,909 INFO L85 PathProgramCache]: Analyzing trace with hash 576840285, now seen corresponding path program 1 times [2023-11-29 03:24:40,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:40,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173821318] [2023-11-29 03:24:40,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:40,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:40,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:40,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173821318] [2023-11-29 03:24:40,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173821318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:40,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:40,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:40,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385347404] [2023-11-29 03:24:40,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:40,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:40,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:40,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:40,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:41,007 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 199 [2023-11-29 03:24:41,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 167 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:41,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 199 [2023-11-29 03:24:41,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:41,076 INFO L124 PetriNetUnfolderBase]: 32/338 cut-off events. [2023-11-29 03:24:41,076 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-11-29 03:24:41,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 338 events. 32/338 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1248 event pairs, 20 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 362. Up to 50 conditions per place. [2023-11-29 03:24:41,080 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 13 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2023-11-29 03:24:41,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 166 transitions, 372 flow [2023-11-29 03:24:41,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:24:41,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2023-11-29 03:24:41,083 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.931323283082077 [2023-11-29 03:24:41,083 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 556 transitions. [2023-11-29 03:24:41,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 556 transitions. [2023-11-29 03:24:41,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:41,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 556 transitions. [2023-11-29 03:24:41,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,089 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,089 INFO L175 Difference]: Start difference. First operand has 169 places, 167 transitions, 344 flow. Second operand 3 states and 556 transitions. [2023-11-29 03:24:41,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 166 transitions, 372 flow [2023-11-29 03:24:41,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 166 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:24:41,093 INFO L231 Difference]: Finished difference. Result has 168 places, 166 transitions, 342 flow [2023-11-29 03:24:41,093 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=168, PETRI_TRANSITIONS=166} [2023-11-29 03:24:41,094 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -7 predicate places. [2023-11-29 03:24:41,095 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 166 transitions, 342 flow [2023-11-29 03:24:41,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,095 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:41,096 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:41,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:24:41,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:41,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:41,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1959079762, now seen corresponding path program 1 times [2023-11-29 03:24:41,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:41,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408577362] [2023-11-29 03:24:41,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:41,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:41,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:41,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:41,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408577362] [2023-11-29 03:24:41,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408577362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:41,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:41,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:41,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977558242] [2023-11-29 03:24:41,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:41,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:41,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:41,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:41,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:41,177 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 199 [2023-11-29 03:24:41,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 166 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:41,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 199 [2023-11-29 03:24:41,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:41,255 INFO L124 PetriNetUnfolderBase]: 24/375 cut-off events. [2023-11-29 03:24:41,255 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 03:24:41,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 375 events. 24/375 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1457 event pairs, 8 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 378. Up to 31 conditions per place. [2023-11-29 03:24:41,259 INFO L140 encePairwiseOnDemand]: 195/199 looper letters, 13 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2023-11-29 03:24:41,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 168 transitions, 378 flow [2023-11-29 03:24:41,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:24:41,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2023-11-29 03:24:41,262 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9530988274706867 [2023-11-29 03:24:41,262 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 569 transitions. [2023-11-29 03:24:41,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 569 transitions. [2023-11-29 03:24:41,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:41,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 569 transitions. [2023-11-29 03:24:41,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,267 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,267 INFO L175 Difference]: Start difference. First operand has 168 places, 166 transitions, 342 flow. Second operand 3 states and 569 transitions. [2023-11-29 03:24:41,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 168 transitions, 378 flow [2023-11-29 03:24:41,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 168 transitions, 374 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:24:41,271 INFO L231 Difference]: Finished difference. Result has 167 places, 166 transitions, 348 flow [2023-11-29 03:24:41,271 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=167, PETRI_TRANSITIONS=166} [2023-11-29 03:24:41,272 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -8 predicate places. [2023-11-29 03:24:41,272 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 166 transitions, 348 flow [2023-11-29 03:24:41,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,273 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:41,273 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:41,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:24:41,274 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:41,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:41,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1479961136, now seen corresponding path program 1 times [2023-11-29 03:24:41,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:41,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310858176] [2023-11-29 03:24:41,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:41,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:41,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:41,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310858176] [2023-11-29 03:24:41,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310858176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:41,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:41,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:41,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112800305] [2023-11-29 03:24:41,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:41,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:41,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:41,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:41,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:41,347 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 199 [2023-11-29 03:24:41,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 166 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:41,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 199 [2023-11-29 03:24:41,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:41,447 INFO L124 PetriNetUnfolderBase]: 59/566 cut-off events. [2023-11-29 03:24:41,447 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 03:24:41,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 678 conditions, 566 events. 59/566 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3388 event pairs, 29 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 576. Up to 73 conditions per place. [2023-11-29 03:24:41,451 INFO L140 encePairwiseOnDemand]: 194/199 looper letters, 15 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2023-11-29 03:24:41,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 167 transitions, 386 flow [2023-11-29 03:24:41,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:24:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2023-11-29 03:24:41,454 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9430485762144054 [2023-11-29 03:24:41,455 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 563 transitions. [2023-11-29 03:24:41,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 563 transitions. [2023-11-29 03:24:41,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:41,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 563 transitions. [2023-11-29 03:24:41,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,460 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,460 INFO L175 Difference]: Start difference. First operand has 167 places, 166 transitions, 348 flow. Second operand 3 states and 563 transitions. [2023-11-29 03:24:41,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 167 transitions, 386 flow [2023-11-29 03:24:41,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 167 transitions, 386 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:24:41,464 INFO L231 Difference]: Finished difference. Result has 167 places, 165 transitions, 356 flow [2023-11-29 03:24:41,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=167, PETRI_TRANSITIONS=165} [2023-11-29 03:24:41,465 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -8 predicate places. [2023-11-29 03:24:41,465 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 165 transitions, 356 flow [2023-11-29 03:24:41,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,466 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:41,466 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:41,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:24:41,466 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:41,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:41,467 INFO L85 PathProgramCache]: Analyzing trace with hash 214302903, now seen corresponding path program 1 times [2023-11-29 03:24:41,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:41,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993934389] [2023-11-29 03:24:41,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:41,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:41,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:41,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:41,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993934389] [2023-11-29 03:24:41,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993934389] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:41,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:41,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:41,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617334882] [2023-11-29 03:24:41,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:41,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:41,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:41,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:41,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:41,529 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 199 [2023-11-29 03:24:41,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 165 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:41,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 199 [2023-11-29 03:24:41,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:41,579 INFO L124 PetriNetUnfolderBase]: 18/284 cut-off events. [2023-11-29 03:24:41,579 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2023-11-29 03:24:41,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 284 events. 18/284 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1018 event pairs, 4 based on Foata normal form. 1/250 useless extension candidates. Maximal degree in co-relation 263. Up to 18 conditions per place. [2023-11-29 03:24:41,581 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 11 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2023-11-29 03:24:41,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 166 transitions, 386 flow [2023-11-29 03:24:41,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:41,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:24:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2023-11-29 03:24:41,584 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9530988274706867 [2023-11-29 03:24:41,584 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 569 transitions. [2023-11-29 03:24:41,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 569 transitions. [2023-11-29 03:24:41,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:41,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 569 transitions. [2023-11-29 03:24:41,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,589 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,589 INFO L175 Difference]: Start difference. First operand has 167 places, 165 transitions, 356 flow. Second operand 3 states and 569 transitions. [2023-11-29 03:24:41,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 166 transitions, 386 flow [2023-11-29 03:24:41,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 166 transitions, 386 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:24:41,593 INFO L231 Difference]: Finished difference. Result has 168 places, 164 transitions, 358 flow [2023-11-29 03:24:41,593 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=168, PETRI_TRANSITIONS=164} [2023-11-29 03:24:41,594 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -7 predicate places. [2023-11-29 03:24:41,594 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 164 transitions, 358 flow [2023-11-29 03:24:41,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,595 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:41,595 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:41,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:24:41,595 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:41,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:41,596 INFO L85 PathProgramCache]: Analyzing trace with hash -886335962, now seen corresponding path program 1 times [2023-11-29 03:24:41,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:41,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815493163] [2023-11-29 03:24:41,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:41,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:41,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:41,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:41,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815493163] [2023-11-29 03:24:41,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815493163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:41,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:41,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:41,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434646514] [2023-11-29 03:24:41,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:41,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:41,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:41,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:41,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:41,677 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 199 [2023-11-29 03:24:41,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 164 transitions, 358 flow. Second operand has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:41,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 199 [2023-11-29 03:24:41,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:41,801 INFO L124 PetriNetUnfolderBase]: 133/735 cut-off events. [2023-11-29 03:24:41,802 INFO L125 PetriNetUnfolderBase]: For 31/34 co-relation queries the response was YES. [2023-11-29 03:24:41,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 977 conditions, 735 events. 133/735 cut-off events. For 31/34 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4652 event pairs, 80 based on Foata normal form. 0/638 useless extension candidates. Maximal degree in co-relation 761. Up to 202 conditions per place. [2023-11-29 03:24:41,810 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 17 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2023-11-29 03:24:41,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 164 transitions, 398 flow [2023-11-29 03:24:41,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:24:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions. [2023-11-29 03:24:41,812 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.932998324958124 [2023-11-29 03:24:41,812 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 557 transitions. [2023-11-29 03:24:41,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 557 transitions. [2023-11-29 03:24:41,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:41,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 557 transitions. [2023-11-29 03:24:41,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,817 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,817 INFO L175 Difference]: Start difference. First operand has 168 places, 164 transitions, 358 flow. Second operand 3 states and 557 transitions. [2023-11-29 03:24:41,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 164 transitions, 398 flow [2023-11-29 03:24:41,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 164 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:24:41,822 INFO L231 Difference]: Finished difference. Result has 165 places, 162 transitions, 360 flow [2023-11-29 03:24:41,822 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=165, PETRI_TRANSITIONS=162} [2023-11-29 03:24:41,823 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -10 predicate places. [2023-11-29 03:24:41,823 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 162 transitions, 360 flow [2023-11-29 03:24:41,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,823 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:41,824 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:41,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:24:41,824 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:41,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:41,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1936832211, now seen corresponding path program 1 times [2023-11-29 03:24:41,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:41,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115578193] [2023-11-29 03:24:41,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:41,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:41,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:41,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:41,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115578193] [2023-11-29 03:24:41,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115578193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:41,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:41,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:41,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818885002] [2023-11-29 03:24:41,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:41,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:41,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:41,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:41,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:41,883 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 199 [2023-11-29 03:24:41,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 162 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:41,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 199 [2023-11-29 03:24:41,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:41,953 INFO L124 PetriNetUnfolderBase]: 30/367 cut-off events. [2023-11-29 03:24:41,953 INFO L125 PetriNetUnfolderBase]: For 7/10 co-relation queries the response was YES. [2023-11-29 03:24:41,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 367 events. 30/367 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1582 event pairs, 6 based on Foata normal form. 1/334 useless extension candidates. Maximal degree in co-relation 334. Up to 24 conditions per place. [2023-11-29 03:24:41,957 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 11 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2023-11-29 03:24:41,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 163 transitions, 390 flow [2023-11-29 03:24:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:41,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:24:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2023-11-29 03:24:41,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9530988274706867 [2023-11-29 03:24:41,960 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 569 transitions. [2023-11-29 03:24:41,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 569 transitions. [2023-11-29 03:24:41,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:41,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 569 transitions. [2023-11-29 03:24:41,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,964 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,964 INFO L175 Difference]: Start difference. First operand has 165 places, 162 transitions, 360 flow. Second operand 3 states and 569 transitions. [2023-11-29 03:24:41,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 163 transitions, 390 flow [2023-11-29 03:24:41,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 163 transitions, 390 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:24:41,969 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 362 flow [2023-11-29 03:24:41,969 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=166, PETRI_TRANSITIONS=161} [2023-11-29 03:24:41,970 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -9 predicate places. [2023-11-29 03:24:41,970 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 362 flow [2023-11-29 03:24:41,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:41,971 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:41,971 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:41,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:24:41,971 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:41,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:41,972 INFO L85 PathProgramCache]: Analyzing trace with hash -522449190, now seen corresponding path program 1 times [2023-11-29 03:24:41,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:41,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409571849] [2023-11-29 03:24:41,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:41,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:42,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:42,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:42,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409571849] [2023-11-29 03:24:42,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409571849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:42,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:42,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:24:42,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757908211] [2023-11-29 03:24:42,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:42,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:24:42,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:42,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:24:42,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:24:42,682 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 199 [2023-11-29 03:24:42,683 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 161 transitions, 362 flow. Second operand has 6 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:42,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:42,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 199 [2023-11-29 03:24:42,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:42,746 INFO L124 PetriNetUnfolderBase]: 14/247 cut-off events. [2023-11-29 03:24:42,747 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 03:24:42,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 247 events. 14/247 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 707 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 250. Up to 10 conditions per place. [2023-11-29 03:24:42,749 INFO L140 encePairwiseOnDemand]: 194/199 looper letters, 9 selfloop transitions, 4 changer transitions 0/160 dead transitions. [2023-11-29 03:24:42,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 160 transitions, 386 flow [2023-11-29 03:24:42,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:24:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:24:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1100 transitions. [2023-11-29 03:24:42,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9212730318257957 [2023-11-29 03:24:42,754 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1100 transitions. [2023-11-29 03:24:42,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1100 transitions. [2023-11-29 03:24:42,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:42,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1100 transitions. [2023-11-29 03:24:42,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 183.33333333333334) internal successors, (1100), 6 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:42,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:42,763 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:42,763 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 362 flow. Second operand 6 states and 1100 transitions. [2023-11-29 03:24:42,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 160 transitions, 386 flow [2023-11-29 03:24:42,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 160 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:24:42,767 INFO L231 Difference]: Finished difference. Result has 168 places, 160 transitions, 364 flow [2023-11-29 03:24:42,768 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=364, PETRI_PLACES=168, PETRI_TRANSITIONS=160} [2023-11-29 03:24:42,768 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -7 predicate places. [2023-11-29 03:24:42,769 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 160 transitions, 364 flow [2023-11-29 03:24:42,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:42,769 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:42,769 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:42,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 03:24:42,770 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:42,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:42,770 INFO L85 PathProgramCache]: Analyzing trace with hash -547604416, now seen corresponding path program 1 times [2023-11-29 03:24:42,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:42,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005645753] [2023-11-29 03:24:42,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:42,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:42,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:42,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:42,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005645753] [2023-11-29 03:24:42,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005645753] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:42,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:42,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:42,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383822701] [2023-11-29 03:24:42,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:42,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:42,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:42,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:42,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:42,825 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 199 [2023-11-29 03:24:42,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 160 transitions, 364 flow. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:42,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:42,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 199 [2023-11-29 03:24:42,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:42,884 INFO L124 PetriNetUnfolderBase]: 26/275 cut-off events. [2023-11-29 03:24:42,884 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2023-11-29 03:24:42,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 275 events. 26/275 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1016 event pairs, 6 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 288. Up to 30 conditions per place. [2023-11-29 03:24:42,887 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 11 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2023-11-29 03:24:42,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 161 transitions, 394 flow [2023-11-29 03:24:42,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:24:42,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2023-11-29 03:24:42,890 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9530988274706867 [2023-11-29 03:24:42,890 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 569 transitions. [2023-11-29 03:24:42,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 569 transitions. [2023-11-29 03:24:42,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:42,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 569 transitions. [2023-11-29 03:24:42,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:42,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:42,895 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:42,895 INFO L175 Difference]: Start difference. First operand has 168 places, 160 transitions, 364 flow. Second operand 3 states and 569 transitions. [2023-11-29 03:24:42,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 161 transitions, 394 flow [2023-11-29 03:24:42,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 161 transitions, 387 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 03:24:42,900 INFO L231 Difference]: Finished difference. Result has 165 places, 159 transitions, 359 flow [2023-11-29 03:24:42,900 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=359, PETRI_PLACES=165, PETRI_TRANSITIONS=159} [2023-11-29 03:24:42,901 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -10 predicate places. [2023-11-29 03:24:42,901 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 159 transitions, 359 flow [2023-11-29 03:24:42,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:42,901 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:42,902 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:42,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:24:42,902 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:42,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:42,902 INFO L85 PathProgramCache]: Analyzing trace with hash 872884675, now seen corresponding path program 1 times [2023-11-29 03:24:42,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:42,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918274271] [2023-11-29 03:24:42,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:42,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:43,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:43,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:43,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918274271] [2023-11-29 03:24:43,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918274271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:43,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:43,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:24:43,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500802240] [2023-11-29 03:24:43,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:43,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:24:43,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:43,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:24:43,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:24:43,609 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 199 [2023-11-29 03:24:43,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 159 transitions, 359 flow. Second operand has 6 states, 6 states have (on average 182.83333333333334) internal successors, (1097), 6 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:43,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:43,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 199 [2023-11-29 03:24:43,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:43,668 INFO L124 PetriNetUnfolderBase]: 14/241 cut-off events. [2023-11-29 03:24:43,668 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 03:24:43,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 241 events. 14/241 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 672 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 237. Up to 10 conditions per place. [2023-11-29 03:24:43,670 INFO L140 encePairwiseOnDemand]: 194/199 looper letters, 9 selfloop transitions, 4 changer transitions 0/158 dead transitions. [2023-11-29 03:24:43,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 158 transitions, 383 flow [2023-11-29 03:24:43,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:24:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:24:43,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1100 transitions. [2023-11-29 03:24:43,675 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9212730318257957 [2023-11-29 03:24:43,675 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1100 transitions. [2023-11-29 03:24:43,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1100 transitions. [2023-11-29 03:24:43,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:43,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1100 transitions. [2023-11-29 03:24:43,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 183.33333333333334) internal successors, (1100), 6 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:43,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:43,684 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:43,684 INFO L175 Difference]: Start difference. First operand has 165 places, 159 transitions, 359 flow. Second operand 6 states and 1100 transitions. [2023-11-29 03:24:43,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 158 transitions, 383 flow [2023-11-29 03:24:43,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 158 transitions, 379 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:24:43,688 INFO L231 Difference]: Finished difference. Result has 167 places, 158 transitions, 361 flow [2023-11-29 03:24:43,689 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=361, PETRI_PLACES=167, PETRI_TRANSITIONS=158} [2023-11-29 03:24:43,689 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -8 predicate places. [2023-11-29 03:24:43,689 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 158 transitions, 361 flow [2023-11-29 03:24:43,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.83333333333334) internal successors, (1097), 6 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:43,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:43,690 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:43,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:24:43,691 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:43,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:43,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1662533277, now seen corresponding path program 1 times [2023-11-29 03:24:43,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:43,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159419760] [2023-11-29 03:24:43,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:43,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:44,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:44,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159419760] [2023-11-29 03:24:44,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159419760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:44,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:44,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:24:44,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469857733] [2023-11-29 03:24:44,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:44,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:24:44,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:44,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:24:44,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:24:44,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 199 [2023-11-29 03:24:44,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 158 transitions, 361 flow. Second operand has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:44,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 199 [2023-11-29 03:24:44,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:44,346 INFO L124 PetriNetUnfolderBase]: 14/240 cut-off events. [2023-11-29 03:24:44,346 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 03:24:44,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 240 events. 14/240 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 670 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 247. Up to 10 conditions per place. [2023-11-29 03:24:44,348 INFO L140 encePairwiseOnDemand]: 194/199 looper letters, 9 selfloop transitions, 4 changer transitions 0/157 dead transitions. [2023-11-29 03:24:44,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 157 transitions, 385 flow [2023-11-29 03:24:44,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:24:44,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:24:44,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1100 transitions. [2023-11-29 03:24:44,351 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9212730318257957 [2023-11-29 03:24:44,351 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1100 transitions. [2023-11-29 03:24:44,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1100 transitions. [2023-11-29 03:24:44,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:44,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1100 transitions. [2023-11-29 03:24:44,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 183.33333333333334) internal successors, (1100), 6 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,358 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,358 INFO L175 Difference]: Start difference. First operand has 167 places, 158 transitions, 361 flow. Second operand 6 states and 1100 transitions. [2023-11-29 03:24:44,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 157 transitions, 385 flow [2023-11-29 03:24:44,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 157 transitions, 378 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 03:24:44,362 INFO L231 Difference]: Finished difference. Result has 167 places, 157 transitions, 360 flow [2023-11-29 03:24:44,363 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=360, PETRI_PLACES=167, PETRI_TRANSITIONS=157} [2023-11-29 03:24:44,363 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -8 predicate places. [2023-11-29 03:24:44,364 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 157 transitions, 360 flow [2023-11-29 03:24:44,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,364 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:44,365 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:44,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 03:24:44,365 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:44,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:44,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1295906652, now seen corresponding path program 1 times [2023-11-29 03:24:44,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:44,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867778552] [2023-11-29 03:24:44,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:44,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:44,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:44,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:44,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867778552] [2023-11-29 03:24:44,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867778552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:44,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:44,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:44,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040289284] [2023-11-29 03:24:44,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:44,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:44,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:44,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:44,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:44,439 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 199 [2023-11-29 03:24:44,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 157 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:44,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 199 [2023-11-29 03:24:44,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:44,487 INFO L124 PetriNetUnfolderBase]: 20/311 cut-off events. [2023-11-29 03:24:44,487 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 03:24:44,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 311 events. 20/311 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1143 event pairs, 2 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 343. Up to 14 conditions per place. [2023-11-29 03:24:44,490 INFO L140 encePairwiseOnDemand]: 197/199 looper letters, 8 selfloop transitions, 1 changer transitions 0/156 dead transitions. [2023-11-29 03:24:44,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 156 transitions, 376 flow [2023-11-29 03:24:44,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:44,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:24:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 571 transitions. [2023-11-29 03:24:44,492 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9564489112227805 [2023-11-29 03:24:44,493 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 571 transitions. [2023-11-29 03:24:44,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 571 transitions. [2023-11-29 03:24:44,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:44,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 571 transitions. [2023-11-29 03:24:44,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,496 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,497 INFO L175 Difference]: Start difference. First operand has 167 places, 157 transitions, 360 flow. Second operand 3 states and 571 transitions. [2023-11-29 03:24:44,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 156 transitions, 376 flow [2023-11-29 03:24:44,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 156 transitions, 369 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 03:24:44,500 INFO L231 Difference]: Finished difference. Result has 164 places, 156 transitions, 353 flow [2023-11-29 03:24:44,500 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=353, PETRI_PLACES=164, PETRI_TRANSITIONS=156} [2023-11-29 03:24:44,501 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -11 predicate places. [2023-11-29 03:24:44,501 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 156 transitions, 353 flow [2023-11-29 03:24:44,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,502 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:44,502 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:44,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 03:24:44,502 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:44,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:44,503 INFO L85 PathProgramCache]: Analyzing trace with hash 215359832, now seen corresponding path program 1 times [2023-11-29 03:24:44,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:44,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436679344] [2023-11-29 03:24:44,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:44,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:44,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:44,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436679344] [2023-11-29 03:24:44,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436679344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:44,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:44,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:44,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882335843] [2023-11-29 03:24:44,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:44,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:44,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:44,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:44,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:44,573 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 199 [2023-11-29 03:24:44,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 156 transitions, 353 flow. Second operand has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:44,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 199 [2023-11-29 03:24:44,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:44,620 INFO L124 PetriNetUnfolderBase]: 20/328 cut-off events. [2023-11-29 03:24:44,620 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 03:24:44,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 396 conditions, 328 events. 20/328 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1205 event pairs, 3 based on Foata normal form. 0/312 useless extension candidates. Maximal degree in co-relation 371. Up to 16 conditions per place. [2023-11-29 03:24:44,622 INFO L140 encePairwiseOnDemand]: 197/199 looper letters, 8 selfloop transitions, 1 changer transitions 0/155 dead transitions. [2023-11-29 03:24:44,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 155 transitions, 369 flow [2023-11-29 03:24:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:44,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:24:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 571 transitions. [2023-11-29 03:24:44,624 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9564489112227805 [2023-11-29 03:24:44,625 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 571 transitions. [2023-11-29 03:24:44,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 571 transitions. [2023-11-29 03:24:44,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:44,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 571 transitions. [2023-11-29 03:24:44,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,649 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,649 INFO L175 Difference]: Start difference. First operand has 164 places, 156 transitions, 353 flow. Second operand 3 states and 571 transitions. [2023-11-29 03:24:44,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 155 transitions, 369 flow [2023-11-29 03:24:44,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 155 transitions, 368 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:24:44,654 INFO L231 Difference]: Finished difference. Result has 164 places, 155 transitions, 352 flow [2023-11-29 03:24:44,655 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=164, PETRI_TRANSITIONS=155} [2023-11-29 03:24:44,655 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -11 predicate places. [2023-11-29 03:24:44,655 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 155 transitions, 352 flow [2023-11-29 03:24:44,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,656 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:24:44,656 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:44,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 03:24:44,657 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-11-29 03:24:44,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:24:44,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1855743864, now seen corresponding path program 1 times [2023-11-29 03:24:44,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:24:44,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949069879] [2023-11-29 03:24:44,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:24:44,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:24:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:24:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:24:44,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:24:44,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949069879] [2023-11-29 03:24:44,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949069879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:24:44,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:24:44,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:24:44,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879035358] [2023-11-29 03:24:44,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:24:44,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:24:44,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:24:44,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:24:44,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:24:44,753 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 199 [2023-11-29 03:24:44,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 155 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:24:44,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 199 [2023-11-29 03:24:44,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:24:44,814 INFO L124 PetriNetUnfolderBase]: 16/267 cut-off events. [2023-11-29 03:24:44,814 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-29 03:24:44,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 267 events. 16/267 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 754 event pairs, 3 based on Foata normal form. 2/257 useless extension candidates. Maximal degree in co-relation 315. Up to 18 conditions per place. [2023-11-29 03:24:44,816 INFO L140 encePairwiseOnDemand]: 197/199 looper letters, 0 selfloop transitions, 0 changer transitions 154/154 dead transitions. [2023-11-29 03:24:44,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 154 transitions, 366 flow [2023-11-29 03:24:44,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:24:44,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:24:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2023-11-29 03:24:44,820 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9547738693467337 [2023-11-29 03:24:44,820 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 570 transitions. [2023-11-29 03:24:44,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 570 transitions. [2023-11-29 03:24:44,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:24:44,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 570 transitions. [2023-11-29 03:24:44,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,826 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,826 INFO L175 Difference]: Start difference. First operand has 164 places, 155 transitions, 352 flow. Second operand 3 states and 570 transitions. [2023-11-29 03:24:44,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 154 transitions, 366 flow [2023-11-29 03:24:44,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 154 transitions, 365 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:24:44,830 INFO L231 Difference]: Finished difference. Result has 164 places, 0 transitions, 0 flow [2023-11-29 03:24:44,830 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=164, PETRI_TRANSITIONS=0} [2023-11-29 03:24:44,831 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -11 predicate places. [2023-11-29 03:24:44,831 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 0 transitions, 0 flow [2023-11-29 03:24:44,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:24:44,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2023-11-29 03:24:44,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2023-11-29 03:24:44,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2023-11-29 03:24:44,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2023-11-29 03:24:44,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2023-11-29 03:24:44,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2023-11-29 03:24:44,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2023-11-29 03:24:44,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2023-11-29 03:24:44,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2023-11-29 03:24:44,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2023-11-29 03:24:44,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2023-11-29 03:24:44,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2023-11-29 03:24:44,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2023-11-29 03:24:44,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2023-11-29 03:24:44,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2023-11-29 03:24:44,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2023-11-29 03:24:44,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2023-11-29 03:24:44,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2023-11-29 03:24:44,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2023-11-29 03:24:44,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2023-11-29 03:24:44,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2023-11-29 03:24:44,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 36 remaining) [2023-11-29 03:24:44,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 36 remaining) [2023-11-29 03:24:44,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 36 remaining) [2023-11-29 03:24:44,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2023-11-29 03:24:44,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2023-11-29 03:24:44,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2023-11-29 03:24:44,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2023-11-29 03:24:44,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2023-11-29 03:24:44,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2023-11-29 03:24:44,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2023-11-29 03:24:44,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2023-11-29 03:24:44,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2023-11-29 03:24:44,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2023-11-29 03:24:44,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2023-11-29 03:24:44,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2023-11-29 03:24:44,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 03:24:44,841 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:24:44,847 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 03:24:44,848 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:24:44,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:24:44 BasicIcfg [2023-11-29 03:24:44,853 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:24:44,854 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:24:44,854 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:24:44,854 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:24:44,855 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:24:40" (3/4) ... [2023-11-29 03:24:44,856 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 03:24:44,860 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 03:24:44,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 03:24:44,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 03:24:44,867 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-29 03:24:44,867 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 03:24:44,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 03:24:44,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 03:24:44,962 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 03:24:44,963 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 03:24:44,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:24:44,964 INFO L158 Benchmark]: Toolchain (without parser) took 5811.08ms. Allocated memory was 203.4MB in the beginning and 295.7MB in the end (delta: 92.3MB). Free memory was 164.0MB in the beginning and 212.9MB in the end (delta: -48.8MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2023-11-29 03:24:44,964 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:24:44,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.81ms. Allocated memory is still 203.4MB. Free memory was 164.0MB in the beginning and 152.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 03:24:44,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.99ms. Allocated memory is still 203.4MB. Free memory was 152.7MB in the beginning and 150.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:24:44,965 INFO L158 Benchmark]: Boogie Preprocessor took 32.64ms. Allocated memory is still 203.4MB. Free memory was 150.6MB in the beginning and 149.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:24:44,966 INFO L158 Benchmark]: RCFGBuilder took 503.64ms. Allocated memory is still 203.4MB. Free memory was 149.0MB in the beginning and 129.0MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 03:24:44,966 INFO L158 Benchmark]: TraceAbstraction took 4846.48ms. Allocated memory was 203.4MB in the beginning and 295.7MB in the end (delta: 92.3MB). Free memory was 128.4MB in the beginning and 219.2MB in the end (delta: -90.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-11-29 03:24:44,967 INFO L158 Benchmark]: Witness Printer took 108.96ms. Allocated memory is still 295.7MB. Free memory was 219.2MB in the beginning and 212.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 03:24:44,969 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.81ms. Allocated memory is still 203.4MB. Free memory was 164.0MB in the beginning and 152.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.99ms. Allocated memory is still 203.4MB. Free memory was 152.7MB in the beginning and 150.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.64ms. Allocated memory is still 203.4MB. Free memory was 150.6MB in the beginning and 149.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 503.64ms. Allocated memory is still 203.4MB. Free memory was 149.0MB in the beginning and 129.0MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4846.48ms. Allocated memory was 203.4MB in the beginning and 295.7MB in the end (delta: 92.3MB). Free memory was 128.4MB in the beginning and 219.2MB in the end (delta: -90.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 108.96ms. Allocated memory is still 295.7MB. Free memory was 219.2MB in the beginning and 212.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 266 locations, 36 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.7s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 445 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 147 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 750 IncrementalHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 147 mSolverCounterUnsat, 49 mSDtfsCounter, 750 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=364occurred in iteration=9, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1055 NumberOfCodeBlocks, 1055 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1040 ConstructedInterpolants, 0 QuantifiedInterpolants, 1307 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 03:24:44,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ef2b1c3-750b-47f8-b64a-d935c93db2db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE