./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5393d9cf3b7cc0865f031a716dd61208c034931418b29464b30da9c6eaf669bf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:34:26,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:34:26,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:34:26,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:34:26,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:34:26,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:34:26,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:34:26,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:34:26,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:34:26,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:34:26,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:34:26,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:34:26,253 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:34:26,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:34:26,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:34:26,259 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:34:26,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:34:26,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:34:26,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:34:26,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:34:26,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:34:26,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:34:26,263 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:34:26,264 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:34:26,264 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:34:26,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:34:26,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:34:26,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:34:26,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:34:26,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:34:26,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:34:26,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:34:26,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:34:26,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:34:26,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:34:26,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:34:26,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:34:26,270 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:34:26,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:34:26,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:34:26,271 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:34:26,271 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_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5393d9cf3b7cc0865f031a716dd61208c034931418b29464b30da9c6eaf669bf [2023-11-06 22:34:26,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:34:26,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:34:26,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:34:26,620 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:34:26,620 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:34:26,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/unroll-2.wvr.c [2023-11-06 22:34:29,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:34:30,113 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:34:30,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/sv-benchmarks/c/weaver/unroll-2.wvr.c [2023-11-06 22:34:30,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/data/bbe9f2fcf/f41c389cf47a43d7a0a7b7f30b48385b/FLAG966ab72aa [2023-11-06 22:34:30,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/data/bbe9f2fcf/f41c389cf47a43d7a0a7b7f30b48385b [2023-11-06 22:34:30,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:34:30,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:34:30,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:34:30,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:34:30,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:34:30,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:34:30" (1/1) ... [2023-11-06 22:34:30,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f970eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30, skipping insertion in model container [2023-11-06 22:34:30,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:34:30" (1/1) ... [2023-11-06 22:34:30,190 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:34:30,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:34:30,420 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:34:30,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:34:30,485 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:34:30,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30 WrapperNode [2023-11-06 22:34:30,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:34:30,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:34:30,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:34:30,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:34:30,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30" (1/1) ... [2023-11-06 22:34:30,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30" (1/1) ... [2023-11-06 22:34:30,550 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 251 [2023-11-06 22:34:30,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:34:30,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:34:30,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:34:30,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:34:30,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30" (1/1) ... [2023-11-06 22:34:30,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30" (1/1) ... [2023-11-06 22:34:30,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30" (1/1) ... [2023-11-06 22:34:30,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30" (1/1) ... [2023-11-06 22:34:30,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30" (1/1) ... [2023-11-06 22:34:30,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30" (1/1) ... [2023-11-06 22:34:30,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30" (1/1) ... [2023-11-06 22:34:30,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30" (1/1) ... [2023-11-06 22:34:30,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:34:30,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:34:30,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:34:30,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:34:30,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30" (1/1) ... [2023-11-06 22:34:30,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:34:30,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:30,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:34:30,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:34:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:34:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:34:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:34:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:34:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:34:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:34:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:34:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:34:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:34:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:34:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:34:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:34:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:34:30,723 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:34:30,909 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:34:30,912 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:34:31,483 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:34:31,494 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:34:31,494 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 22:34:31,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:34:31 BoogieIcfgContainer [2023-11-06 22:34:31,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:34:31,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:34:31,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:34:31,503 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:34:31,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:34:30" (1/3) ... [2023-11-06 22:34:31,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21876d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:34:31, skipping insertion in model container [2023-11-06 22:34:31,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:30" (2/3) ... [2023-11-06 22:34:31,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21876d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:34:31, skipping insertion in model container [2023-11-06 22:34:31,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:34:31" (3/3) ... [2023-11-06 22:34:31,507 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2023-11-06 22:34:31,516 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:34:31,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:34:31,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-11-06 22:34:31,527 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:34:31,631 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 22:34:31,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 312 places, 322 transitions, 658 flow [2023-11-06 22:34:31,815 INFO L124 PetriNetUnfolderBase]: 17/320 cut-off events. [2023-11-06 22:34:31,815 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:34:31,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 320 events. 17/320 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 513 event pairs, 0 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 176. Up to 2 conditions per place. [2023-11-06 22:34:31,833 INFO L82 GeneralOperation]: Start removeDead. Operand has 312 places, 322 transitions, 658 flow [2023-11-06 22:34:31,843 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 290 places, 299 transitions, 610 flow [2023-11-06 22:34:31,847 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:34:31,862 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 290 places, 299 transitions, 610 flow [2023-11-06 22:34:31,867 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 290 places, 299 transitions, 610 flow [2023-11-06 22:34:31,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 290 places, 299 transitions, 610 flow [2023-11-06 22:34:31,965 INFO L124 PetriNetUnfolderBase]: 16/299 cut-off events. [2023-11-06 22:34:31,966 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:34:31,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 299 events. 16/299 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 450 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 176. Up to 2 conditions per place. [2023-11-06 22:34:31,980 INFO L119 LiptonReduction]: Number of co-enabled transitions 15876 [2023-11-06 22:34:40,235 INFO L134 LiptonReduction]: Checked pairs total: 61517 [2023-11-06 22:34:40,235 INFO L136 LiptonReduction]: Total number of compositions: 308 [2023-11-06 22:34:40,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:34:40,258 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f1ec61b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:34:40,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2023-11-06 22:34:40,260 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:34:40,260 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:34:40,260 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:34:40,260 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:40,261 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:34:40,261 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-06 22:34:40,266 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:40,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1189, now seen corresponding path program 1 times [2023-11-06 22:34:40,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:40,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315203646] [2023-11-06 22:34:40,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:40,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:40,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:40,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315203646] [2023-11-06 22:34:40,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315203646] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:40,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:40,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:34:40,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184954854] [2023-11-06 22:34:40,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:40,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:34:40,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:40,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:34:40,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:34:40,417 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 630 [2023-11-06 22:34:40,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 93 transitions, 198 flow. Second operand has 2 states, 2 states have (on average 306.5) internal successors, (613), 2 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:40,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:40,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 630 [2023-11-06 22:34:40,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:40,723 INFO L124 PetriNetUnfolderBase]: 611/1446 cut-off events. [2023-11-06 22:34:40,724 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2023-11-06 22:34:40,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2413 conditions, 1446 events. 611/1446 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 9482 event pairs, 392 based on Foata normal form. 161/1345 useless extension candidates. Maximal degree in co-relation 2173. Up to 928 conditions per place. [2023-11-06 22:34:40,740 INFO L140 encePairwiseOnDemand]: 607/630 looper letters, 34 selfloop transitions, 0 changer transitions 1/70 dead transitions. [2023-11-06 22:34:40,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 70 transitions, 222 flow [2023-11-06 22:34:40,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:34:40,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:34:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 670 transitions. [2023-11-06 22:34:40,760 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5317460317460317 [2023-11-06 22:34:40,761 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 670 transitions. [2023-11-06 22:34:40,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 670 transitions. [2023-11-06 22:34:40,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:40,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 670 transitions. [2023-11-06 22:34:40,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 335.0) internal successors, (670), 2 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:40,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 630.0) internal successors, (1890), 3 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:40,785 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 630.0) internal successors, (1890), 3 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:40,787 INFO L175 Difference]: Start difference. First operand has 92 places, 93 transitions, 198 flow. Second operand 2 states and 670 transitions. [2023-11-06 22:34:40,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 70 transitions, 222 flow [2023-11-06 22:34:40,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 70 transitions, 214 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:34:40,796 INFO L231 Difference]: Finished difference. Result has 68 places, 69 transitions, 141 flow [2023-11-06 22:34:40,798 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=141, PETRI_PLACES=68, PETRI_TRANSITIONS=69} [2023-11-06 22:34:40,802 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -24 predicate places. [2023-11-06 22:34:40,803 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 69 transitions, 141 flow [2023-11-06 22:34:40,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 306.5) internal successors, (613), 2 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:40,804 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:40,804 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:34:40,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:34:40,805 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-06 22:34:40,806 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:40,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1451451748, now seen corresponding path program 1 times [2023-11-06 22:34:40,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:40,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957867163] [2023-11-06 22:34:40,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:40,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:40,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:40,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:40,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957867163] [2023-11-06 22:34:40,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957867163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:40,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:40,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:34:40,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434077397] [2023-11-06 22:34:40,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:40,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:40,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:40,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:40,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:40,976 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 630 [2023-11-06 22:34:40,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 69 transitions, 141 flow. Second operand has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:40,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:40,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 630 [2023-11-06 22:34:40,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:41,194 INFO L124 PetriNetUnfolderBase]: 605/1396 cut-off events. [2023-11-06 22:34:41,195 INFO L125 PetriNetUnfolderBase]: For 16/61 co-relation queries the response was YES. [2023-11-06 22:34:41,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2386 conditions, 1396 events. 605/1396 cut-off events. For 16/61 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 8508 event pairs, 470 based on Foata normal form. 0/1234 useless extension candidates. Maximal degree in co-relation 2383. Up to 974 conditions per place. [2023-11-06 22:34:41,208 INFO L140 encePairwiseOnDemand]: 627/630 looper letters, 35 selfloop transitions, 1 changer transitions 0/67 dead transitions. [2023-11-06 22:34:41,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 67 transitions, 209 flow [2023-11-06 22:34:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 926 transitions. [2023-11-06 22:34:41,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48994708994708996 [2023-11-06 22:34:41,214 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 926 transitions. [2023-11-06 22:34:41,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 926 transitions. [2023-11-06 22:34:41,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:41,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 926 transitions. [2023-11-06 22:34:41,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:41,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 630.0) internal successors, (2520), 4 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:41,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 630.0) internal successors, (2520), 4 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:41,228 INFO L175 Difference]: Start difference. First operand has 68 places, 69 transitions, 141 flow. Second operand 3 states and 926 transitions. [2023-11-06 22:34:41,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 67 transitions, 209 flow [2023-11-06 22:34:41,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 67 transitions, 209 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:34:41,231 INFO L231 Difference]: Finished difference. Result has 67 places, 67 transitions, 139 flow [2023-11-06 22:34:41,232 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=139, PETRI_PLACES=67, PETRI_TRANSITIONS=67} [2023-11-06 22:34:41,233 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -25 predicate places. [2023-11-06 22:34:41,233 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 67 transitions, 139 flow [2023-11-06 22:34:41,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:41,235 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:41,235 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:41,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:34:41,236 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-06 22:34:41,236 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:41,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1018810934, now seen corresponding path program 1 times [2023-11-06 22:34:41,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:41,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365131296] [2023-11-06 22:34:41,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:41,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:41,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:41,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:41,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365131296] [2023-11-06 22:34:41,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365131296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:41,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:41,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:34:41,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33954912] [2023-11-06 22:34:41,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:41,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:41,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:41,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:41,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:41,407 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 630 [2023-11-06 22:34:41,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 67 transitions, 139 flow. Second operand has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:41,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:41,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 630 [2023-11-06 22:34:41,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:41,798 INFO L124 PetriNetUnfolderBase]: 978/2337 cut-off events. [2023-11-06 22:34:41,798 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2023-11-06 22:34:41,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3908 conditions, 2337 events. 978/2337 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 16043 event pairs, 351 based on Foata normal form. 0/2009 useless extension candidates. Maximal degree in co-relation 3904. Up to 829 conditions per place. [2023-11-06 22:34:41,821 INFO L140 encePairwiseOnDemand]: 627/630 looper letters, 61 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2023-11-06 22:34:41,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 96 transitions, 325 flow [2023-11-06 22:34:41,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:41,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:41,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 976 transitions. [2023-11-06 22:34:41,826 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5164021164021164 [2023-11-06 22:34:41,827 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 976 transitions. [2023-11-06 22:34:41,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 976 transitions. [2023-11-06 22:34:41,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:41,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 976 transitions. [2023-11-06 22:34:41,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:41,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 630.0) internal successors, (2520), 4 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:41,840 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 630.0) internal successors, (2520), 4 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:41,840 INFO L175 Difference]: Start difference. First operand has 67 places, 67 transitions, 139 flow. Second operand 3 states and 976 transitions. [2023-11-06 22:34:41,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 96 transitions, 325 flow [2023-11-06 22:34:41,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 96 transitions, 324 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:34:41,844 INFO L231 Difference]: Finished difference. Result has 69 places, 68 transitions, 150 flow [2023-11-06 22:34:41,844 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=69, PETRI_TRANSITIONS=68} [2023-11-06 22:34:41,845 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -23 predicate places. [2023-11-06 22:34:41,846 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 68 transitions, 150 flow [2023-11-06 22:34:41,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:41,847 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:41,847 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:41,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:34:41,848 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-06 22:34:41,848 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:41,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1018838038, now seen corresponding path program 1 times [2023-11-06 22:34:41,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:41,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69446572] [2023-11-06 22:34:41,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:41,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:41,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:41,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:41,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69446572] [2023-11-06 22:34:41,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69446572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:41,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:41,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:34:41,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544198362] [2023-11-06 22:34:41,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:41,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:41,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:41,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:41,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:41,931 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 630 [2023-11-06 22:34:41,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 68 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 292.0) internal successors, (876), 3 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:41,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:41,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 630 [2023-11-06 22:34:41,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:42,306 INFO L124 PetriNetUnfolderBase]: 978/2279 cut-off events. [2023-11-06 22:34:42,307 INFO L125 PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES. [2023-11-06 22:34:42,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3980 conditions, 2279 events. 978/2279 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 15490 event pairs, 739 based on Foata normal form. 0/1979 useless extension candidates. Maximal degree in co-relation 3975. Up to 1549 conditions per place. [2023-11-06 22:34:42,328 INFO L140 encePairwiseOnDemand]: 626/630 looper letters, 34 selfloop transitions, 1 changer transitions 0/65 dead transitions. [2023-11-06 22:34:42,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 65 transitions, 214 flow [2023-11-06 22:34:42,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:42,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:42,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 907 transitions. [2023-11-06 22:34:42,333 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4798941798941799 [2023-11-06 22:34:42,333 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 907 transitions. [2023-11-06 22:34:42,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 907 transitions. [2023-11-06 22:34:42,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:42,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 907 transitions. [2023-11-06 22:34:42,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:42,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 630.0) internal successors, (2520), 4 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:42,345 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 630.0) internal successors, (2520), 4 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:42,345 INFO L175 Difference]: Start difference. First operand has 69 places, 68 transitions, 150 flow. Second operand 3 states and 907 transitions. [2023-11-06 22:34:42,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 65 transitions, 214 flow [2023-11-06 22:34:42,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 65 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:34:42,349 INFO L231 Difference]: Finished difference. Result has 67 places, 65 transitions, 144 flow [2023-11-06 22:34:42,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=67, PETRI_TRANSITIONS=65} [2023-11-06 22:34:42,350 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -25 predicate places. [2023-11-06 22:34:42,350 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 65 transitions, 144 flow [2023-11-06 22:34:42,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 292.0) internal successors, (876), 3 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:42,351 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:42,352 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:42,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:34:42,352 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-06 22:34:42,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:42,353 INFO L85 PathProgramCache]: Analyzing trace with hash -717906969, now seen corresponding path program 1 times [2023-11-06 22:34:42,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:42,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833342528] [2023-11-06 22:34:42,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:42,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:42,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:42,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:42,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833342528] [2023-11-06 22:34:42,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833342528] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:42,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:42,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:34:42,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107337503] [2023-11-06 22:34:42,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:42,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:42,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:42,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:42,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:42,591 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 630 [2023-11-06 22:34:42,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 65 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:42,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:42,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 630 [2023-11-06 22:34:42,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:42,921 INFO L124 PetriNetUnfolderBase]: 978/2280 cut-off events. [2023-11-06 22:34:42,921 INFO L125 PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES. [2023-11-06 22:34:42,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3951 conditions, 2280 events. 978/2280 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 15477 event pairs, 739 based on Foata normal form. 0/1980 useless extension candidates. Maximal degree in co-relation 3946. Up to 1550 conditions per place. [2023-11-06 22:34:42,942 INFO L140 encePairwiseOnDemand]: 627/630 looper letters, 34 selfloop transitions, 2 changer transitions 0/66 dead transitions. [2023-11-06 22:34:42,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 66 transitions, 218 flow [2023-11-06 22:34:42,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:42,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:42,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 936 transitions. [2023-11-06 22:34:42,947 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49523809523809526 [2023-11-06 22:34:42,947 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 936 transitions. [2023-11-06 22:34:42,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 936 transitions. [2023-11-06 22:34:42,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:42,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 936 transitions. [2023-11-06 22:34:42,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:42,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 630.0) internal successors, (2520), 4 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:42,959 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 630.0) internal successors, (2520), 4 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:42,959 INFO L175 Difference]: Start difference. First operand has 67 places, 65 transitions, 144 flow. Second operand 3 states and 936 transitions. [2023-11-06 22:34:42,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 66 transitions, 218 flow [2023-11-06 22:34:42,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 66 transitions, 217 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:34:42,963 INFO L231 Difference]: Finished difference. Result has 69 places, 66 transitions, 155 flow [2023-11-06 22:34:42,963 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=155, PETRI_PLACES=69, PETRI_TRANSITIONS=66} [2023-11-06 22:34:42,964 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -23 predicate places. [2023-11-06 22:34:42,964 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 66 transitions, 155 flow [2023-11-06 22:34:42,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:42,965 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:42,966 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:42,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:34:42,966 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-06 22:34:42,966 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:42,967 INFO L85 PathProgramCache]: Analyzing trace with hash -428334862, now seen corresponding path program 1 times [2023-11-06 22:34:42,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:42,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459780909] [2023-11-06 22:34:42,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:42,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:43,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:34:43,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:43,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459780909] [2023-11-06 22:34:43,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459780909] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:43,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:43,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:34:43,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052033959] [2023-11-06 22:34:43,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:43,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:34:43,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:43,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:34:43,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:34:43,763 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 630 [2023-11-06 22:34:43,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 66 transitions, 155 flow. Second operand has 6 states, 6 states have (on average 293.8333333333333) internal successors, (1763), 6 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:43,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:43,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 630 [2023-11-06 22:34:43,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:44,694 INFO L124 PetriNetUnfolderBase]: 3214/5358 cut-off events. [2023-11-06 22:34:44,694 INFO L125 PetriNetUnfolderBase]: For 276/276 co-relation queries the response was YES. [2023-11-06 22:34:44,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10411 conditions, 5358 events. 3214/5358 cut-off events. For 276/276 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 34527 event pairs, 237 based on Foata normal form. 0/4631 useless extension candidates. Maximal degree in co-relation 10405. Up to 1734 conditions per place. [2023-11-06 22:34:44,737 INFO L140 encePairwiseOnDemand]: 625/630 looper letters, 140 selfloop transitions, 4 changer transitions 0/169 dead transitions. [2023-11-06 22:34:44,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 169 transitions, 673 flow [2023-11-06 22:34:44,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:34:44,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:34:44,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1891 transitions. [2023-11-06 22:34:44,745 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5002645502645503 [2023-11-06 22:34:44,745 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1891 transitions. [2023-11-06 22:34:44,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1891 transitions. [2023-11-06 22:34:44,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:44,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1891 transitions. [2023-11-06 22:34:44,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 315.1666666666667) internal successors, (1891), 6 states have internal predecessors, (1891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:44,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 630.0) internal successors, (4410), 7 states have internal predecessors, (4410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:44,764 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 630.0) internal successors, (4410), 7 states have internal predecessors, (4410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:44,765 INFO L175 Difference]: Start difference. First operand has 69 places, 66 transitions, 155 flow. Second operand 6 states and 1891 transitions. [2023-11-06 22:34:44,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 169 transitions, 673 flow [2023-11-06 22:34:44,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 169 transitions, 669 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-06 22:34:44,773 INFO L231 Difference]: Finished difference. Result has 72 places, 65 transitions, 157 flow [2023-11-06 22:34:44,773 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=157, PETRI_PLACES=72, PETRI_TRANSITIONS=65} [2023-11-06 22:34:44,776 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -20 predicate places. [2023-11-06 22:34:44,780 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 65 transitions, 157 flow [2023-11-06 22:34:44,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 293.8333333333333) internal successors, (1763), 6 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:44,783 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:44,784 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:44,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:34:44,784 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-06 22:34:44,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:44,785 INFO L85 PathProgramCache]: Analyzing trace with hash -723891748, now seen corresponding path program 1 times [2023-11-06 22:34:44,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:44,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640359442] [2023-11-06 22:34:44,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:44,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:34:44,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:44,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640359442] [2023-11-06 22:34:44,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640359442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:44,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:44,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:34:44,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660272577] [2023-11-06 22:34:44,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:44,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:44,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:44,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:44,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:44,878 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 630 [2023-11-06 22:34:44,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 65 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:44,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:44,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 630 [2023-11-06 22:34:44,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:45,378 INFO L124 PetriNetUnfolderBase]: 1332/3004 cut-off events. [2023-11-06 22:34:45,378 INFO L125 PetriNetUnfolderBase]: For 525/525 co-relation queries the response was YES. [2023-11-06 22:34:45,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5709 conditions, 3004 events. 1332/3004 cut-off events. For 525/525 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 20036 event pairs, 395 based on Foata normal form. 0/2697 useless extension candidates. Maximal degree in co-relation 5703. Up to 1405 conditions per place. [2023-11-06 22:34:45,403 INFO L140 encePairwiseOnDemand]: 626/630 looper letters, 55 selfloop transitions, 3 changer transitions 0/87 dead transitions. [2023-11-06 22:34:45,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 87 transitions, 326 flow [2023-11-06 22:34:45,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:45,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2023-11-06 22:34:45,408 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5105820105820106 [2023-11-06 22:34:45,408 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 965 transitions. [2023-11-06 22:34:45,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 965 transitions. [2023-11-06 22:34:45,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:45,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 965 transitions. [2023-11-06 22:34:45,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:45,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 630.0) internal successors, (2520), 4 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:45,419 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 630.0) internal successors, (2520), 4 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:45,420 INFO L175 Difference]: Start difference. First operand has 72 places, 65 transitions, 157 flow. Second operand 3 states and 965 transitions. [2023-11-06 22:34:45,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 87 transitions, 326 flow [2023-11-06 22:34:45,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 87 transitions, 317 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:34:45,424 INFO L231 Difference]: Finished difference. Result has 71 places, 67 transitions, 169 flow [2023-11-06 22:34:45,425 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=71, PETRI_TRANSITIONS=67} [2023-11-06 22:34:45,426 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -21 predicate places. [2023-11-06 22:34:45,426 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 67 transitions, 169 flow [2023-11-06 22:34:45,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:45,427 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:45,427 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:45,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:34:45,428 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-06 22:34:45,428 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:45,428 INFO L85 PathProgramCache]: Analyzing trace with hash 439081000, now seen corresponding path program 1 times [2023-11-06 22:34:45,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:45,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660006577] [2023-11-06 22:34:45,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:45,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:45,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:34:45,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:45,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660006577] [2023-11-06 22:34:45,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660006577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:45,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:45,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:34:45,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952916485] [2023-11-06 22:34:45,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:45,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:45,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:45,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:45,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:45,484 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 630 [2023-11-06 22:34:45,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 67 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:45,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:45,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 630 [2023-11-06 22:34:45,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:45,932 INFO L124 PetriNetUnfolderBase]: 1332/2951 cut-off events. [2023-11-06 22:34:45,933 INFO L125 PetriNetUnfolderBase]: For 285/285 co-relation queries the response was YES. [2023-11-06 22:34:45,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5540 conditions, 2951 events. 1332/2951 cut-off events. For 285/285 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 19342 event pairs, 446 based on Foata normal form. 0/2655 useless extension candidates. Maximal degree in co-relation 5533. Up to 2013 conditions per place. [2023-11-06 22:34:45,951 INFO L140 encePairwiseOnDemand]: 625/630 looper letters, 51 selfloop transitions, 2 changer transitions 0/79 dead transitions. [2023-11-06 22:34:45,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 79 transitions, 301 flow [2023-11-06 22:34:45,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:45,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 940 transitions. [2023-11-06 22:34:45,956 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4973544973544973 [2023-11-06 22:34:45,956 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 940 transitions. [2023-11-06 22:34:45,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 940 transitions. [2023-11-06 22:34:45,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:45,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 940 transitions. [2023-11-06 22:34:45,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:45,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 630.0) internal successors, (2520), 4 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:45,964 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 630.0) internal successors, (2520), 4 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:45,965 INFO L175 Difference]: Start difference. First operand has 71 places, 67 transitions, 169 flow. Second operand 3 states and 940 transitions. [2023-11-06 22:34:45,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 79 transitions, 301 flow [2023-11-06 22:34:45,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 79 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:34:45,968 INFO L231 Difference]: Finished difference. Result has 70 places, 66 transitions, 174 flow [2023-11-06 22:34:45,968 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=70, PETRI_TRANSITIONS=66} [2023-11-06 22:34:45,969 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -22 predicate places. [2023-11-06 22:34:45,969 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 66 transitions, 174 flow [2023-11-06 22:34:45,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:45,970 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:45,970 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:45,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:34:45,970 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-06 22:34:45,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:45,971 INFO L85 PathProgramCache]: Analyzing trace with hash -398806921, now seen corresponding path program 1 times [2023-11-06 22:34:45,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:45,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427761455] [2023-11-06 22:34:45,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:45,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:46,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:34:46,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:46,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427761455] [2023-11-06 22:34:46,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427761455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:46,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:46,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:34:46,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279654205] [2023-11-06 22:34:46,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:46,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:34:46,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:46,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:34:46,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:34:46,659 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 630 [2023-11-06 22:34:46,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 174 flow. Second operand has 6 states, 6 states have (on average 294.5) internal successors, (1767), 6 states have internal predecessors, (1767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:46,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:46,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 630 [2023-11-06 22:34:46,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:47,350 INFO L124 PetriNetUnfolderBase]: 1924/3690 cut-off events. [2023-11-06 22:34:47,385 INFO L125 PetriNetUnfolderBase]: For 358/358 co-relation queries the response was YES. [2023-11-06 22:34:47,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7475 conditions, 3690 events. 1924/3690 cut-off events. For 358/358 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 22761 event pairs, 1061 based on Foata normal form. 92/3449 useless extension candidates. Maximal degree in co-relation 7468. Up to 2160 conditions per place. [2023-11-06 22:34:47,412 INFO L140 encePairwiseOnDemand]: 624/630 looper letters, 122 selfloop transitions, 6 changer transitions 0/149 dead transitions. [2023-11-06 22:34:47,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 149 transitions, 648 flow [2023-11-06 22:34:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:34:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:34:47,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1867 transitions. [2023-11-06 22:34:47,421 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4939153439153439 [2023-11-06 22:34:47,421 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1867 transitions. [2023-11-06 22:34:47,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1867 transitions. [2023-11-06 22:34:47,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:47,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1867 transitions. [2023-11-06 22:34:47,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:47,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 630.0) internal successors, (4410), 7 states have internal predecessors, (4410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:47,442 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 630.0) internal successors, (4410), 7 states have internal predecessors, (4410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:47,442 INFO L175 Difference]: Start difference. First operand has 70 places, 66 transitions, 174 flow. Second operand 6 states and 1867 transitions. [2023-11-06 22:34:47,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 149 transitions, 648 flow [2023-11-06 22:34:47,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 149 transitions, 648 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:34:47,448 INFO L231 Difference]: Finished difference. Result has 74 places, 65 transitions, 184 flow [2023-11-06 22:34:47,448 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=184, PETRI_PLACES=74, PETRI_TRANSITIONS=65} [2023-11-06 22:34:47,449 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -18 predicate places. [2023-11-06 22:34:47,449 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 65 transitions, 184 flow [2023-11-06 22:34:47,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 294.5) internal successors, (1767), 6 states have internal predecessors, (1767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:47,451 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:47,451 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:47,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:34:47,452 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-06 22:34:47,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:47,453 INFO L85 PathProgramCache]: Analyzing trace with hash -370428058, now seen corresponding path program 1 times [2023-11-06 22:34:47,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:47,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553588346] [2023-11-06 22:34:47,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:47,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:47,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:34:47,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:47,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553588346] [2023-11-06 22:34:47,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553588346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:47,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:47,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:34:47,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453689386] [2023-11-06 22:34:47,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:47,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:34:47,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:47,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:34:47,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:34:48,143 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 630 [2023-11-06 22:34:48,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 65 transitions, 184 flow. Second operand has 6 states, 6 states have (on average 287.6666666666667) internal successors, (1726), 6 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:48,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:48,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 630 [2023-11-06 22:34:48,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:48,750 INFO L124 PetriNetUnfolderBase]: 1818/3259 cut-off events. [2023-11-06 22:34:48,751 INFO L125 PetriNetUnfolderBase]: For 554/554 co-relation queries the response was YES. [2023-11-06 22:34:48,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7121 conditions, 3259 events. 1818/3259 cut-off events. For 554/554 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 18666 event pairs, 917 based on Foata normal form. 72/3024 useless extension candidates. Maximal degree in co-relation 7113. Up to 1890 conditions per place. [2023-11-06 22:34:48,773 INFO L140 encePairwiseOnDemand]: 617/630 looper letters, 85 selfloop transitions, 13 changer transitions 0/115 dead transitions. [2023-11-06 22:34:48,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 115 transitions, 532 flow [2023-11-06 22:34:48,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:34:48,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:34:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1800 transitions. [2023-11-06 22:34:48,781 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47619047619047616 [2023-11-06 22:34:48,781 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1800 transitions. [2023-11-06 22:34:48,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1800 transitions. [2023-11-06 22:34:48,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:48,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1800 transitions. [2023-11-06 22:34:48,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 300.0) internal successors, (1800), 6 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:48,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 630.0) internal successors, (4410), 7 states have internal predecessors, (4410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:48,796 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 630.0) internal successors, (4410), 7 states have internal predecessors, (4410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:48,796 INFO L175 Difference]: Start difference. First operand has 74 places, 65 transitions, 184 flow. Second operand 6 states and 1800 transitions. [2023-11-06 22:34:48,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 115 transitions, 532 flow [2023-11-06 22:34:48,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 115 transitions, 504 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:34:48,801 INFO L231 Difference]: Finished difference. Result has 72 places, 63 transitions, 194 flow [2023-11-06 22:34:48,801 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=194, PETRI_PLACES=72, PETRI_TRANSITIONS=63} [2023-11-06 22:34:48,802 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -20 predicate places. [2023-11-06 22:34:48,802 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 63 transitions, 194 flow [2023-11-06 22:34:48,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.6666666666667) internal successors, (1726), 6 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:48,803 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:48,803 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:48,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:34:48,803 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-11-06 22:34:48,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:48,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1485191017, now seen corresponding path program 1 times [2023-11-06 22:34:48,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:48,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783087380] [2023-11-06 22:34:48,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:48,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:49,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:34:49,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:49,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783087380] [2023-11-06 22:34:49,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783087380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:49,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:49,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:34:49,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674974846] [2023-11-06 22:34:49,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:49,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:34:49,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:49,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:34:49,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:34:49,537 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 630 [2023-11-06 22:34:49,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 63 transitions, 194 flow. Second operand has 6 states, 6 states have (on average 294.3333333333333) internal successors, (1766), 6 states have internal predecessors, (1766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:49,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:49,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 630 [2023-11-06 22:34:49,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:50,137 INFO L124 PetriNetUnfolderBase]: 1532/3049 cut-off events. [2023-11-06 22:34:50,138 INFO L125 PetriNetUnfolderBase]: For 476/476 co-relation queries the response was YES. [2023-11-06 22:34:50,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6831 conditions, 3049 events. 1532/3049 cut-off events. For 476/476 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 18886 event pairs, 1019 based on Foata normal form. 0/2750 useless extension candidates. Maximal degree in co-relation 6823. Up to 2066 conditions per place. [2023-11-06 22:34:50,152 INFO L140 encePairwiseOnDemand]: 625/630 looper letters, 0 selfloop transitions, 0 changer transitions 138/138 dead transitions. [2023-11-06 22:34:50,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 138 transitions, 700 flow [2023-11-06 22:34:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:34:50,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:34:50,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1855 transitions. [2023-11-06 22:34:50,160 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49074074074074076 [2023-11-06 22:34:50,160 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1855 transitions. [2023-11-06 22:34:50,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1855 transitions. [2023-11-06 22:34:50,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:50,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1855 transitions. [2023-11-06 22:34:50,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 309.1666666666667) internal successors, (1855), 6 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:50,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 630.0) internal successors, (4410), 7 states have internal predecessors, (4410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:50,175 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 630.0) internal successors, (4410), 7 states have internal predecessors, (4410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:50,175 INFO L175 Difference]: Start difference. First operand has 72 places, 63 transitions, 194 flow. Second operand 6 states and 1855 transitions. [2023-11-06 22:34:50,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 138 transitions, 700 flow [2023-11-06 22:34:50,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 138 transitions, 618 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:34:50,182 INFO L231 Difference]: Finished difference. Result has 71 places, 0 transitions, 0 flow [2023-11-06 22:34:50,182 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=71, PETRI_TRANSITIONS=0} [2023-11-06 22:34:50,183 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -21 predicate places. [2023-11-06 22:34:50,183 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 0 transitions, 0 flow [2023-11-06 22:34:50,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 294.3333333333333) internal successors, (1766), 6 states have internal predecessors, (1766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:50,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (58 of 59 remaining) [2023-11-06 22:34:50,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2023-11-06 22:34:50,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2023-11-06 22:34:50,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2023-11-06 22:34:50,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2023-11-06 22:34:50,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2023-11-06 22:34:50,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2023-11-06 22:34:50,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2023-11-06 22:34:50,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2023-11-06 22:34:50,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2023-11-06 22:34:50,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2023-11-06 22:34:50,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2023-11-06 22:34:50,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2023-11-06 22:34:50,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2023-11-06 22:34:50,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2023-11-06 22:34:50,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2023-11-06 22:34:50,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2023-11-06 22:34:50,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2023-11-06 22:34:50,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2023-11-06 22:34:50,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2023-11-06 22:34:50,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2023-11-06 22:34:50,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2023-11-06 22:34:50,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2023-11-06 22:34:50,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2023-11-06 22:34:50,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2023-11-06 22:34:50,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2023-11-06 22:34:50,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2023-11-06 22:34:50,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2023-11-06 22:34:50,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2023-11-06 22:34:50,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2023-11-06 22:34:50,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 59 remaining) [2023-11-06 22:34:50,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2023-11-06 22:34:50,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2023-11-06 22:34:50,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2023-11-06 22:34:50,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 59 remaining) [2023-11-06 22:34:50,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 59 remaining) [2023-11-06 22:34:50,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2023-11-06 22:34:50,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2023-11-06 22:34:50,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2023-11-06 22:34:50,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2023-11-06 22:34:50,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2023-11-06 22:34:50,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2023-11-06 22:34:50,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2023-11-06 22:34:50,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2023-11-06 22:34:50,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2023-11-06 22:34:50,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2023-11-06 22:34:50,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2023-11-06 22:34:50,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2023-11-06 22:34:50,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2023-11-06 22:34:50,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2023-11-06 22:34:50,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2023-11-06 22:34:50,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2023-11-06 22:34:50,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2023-11-06 22:34:50,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2023-11-06 22:34:50,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2023-11-06 22:34:50,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2023-11-06 22:34:50,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2023-11-06 22:34:50,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2023-11-06 22:34:50,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2023-11-06 22:34:50,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:34:50,197 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:50,203 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:34:50,203 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:34:50,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:34:50 BasicIcfg [2023-11-06 22:34:50,209 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:34:50,210 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:34:50,210 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:34:50,210 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:34:50,211 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:34:31" (3/4) ... [2023-11-06 22:34:50,212 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:34:50,216 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 22:34:50,216 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 22:34:50,225 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-06 22:34:50,226 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:34:50,226 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:34:50,227 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:34:50,302 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:34:50,303 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:34:50,303 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:34:50,304 INFO L158 Benchmark]: Toolchain (without parser) took 20154.53ms. Allocated memory was 165.7MB in the beginning and 442.5MB in the end (delta: 276.8MB). Free memory was 123.7MB in the beginning and 162.4MB in the end (delta: -38.6MB). Peak memory consumption was 241.3MB. Max. memory is 16.1GB. [2023-11-06 22:34:50,304 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:34:50,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.14ms. Allocated memory is still 165.7MB. Free memory was 123.4MB in the beginning and 111.2MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:34:50,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.03ms. Allocated memory is still 165.7MB. Free memory was 111.2MB in the beginning and 108.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:34:50,307 INFO L158 Benchmark]: Boogie Preprocessor took 50.87ms. Allocated memory is still 165.7MB. Free memory was 108.4MB in the beginning and 106.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:34:50,308 INFO L158 Benchmark]: RCFGBuilder took 893.99ms. Allocated memory is still 165.7MB. Free memory was 106.0MB in the beginning and 130.9MB in the end (delta: -24.9MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-06 22:34:50,308 INFO L158 Benchmark]: TraceAbstraction took 18709.37ms. Allocated memory was 165.7MB in the beginning and 442.5MB in the end (delta: 276.8MB). Free memory was 130.1MB in the beginning and 166.6MB in the end (delta: -36.4MB). Peak memory consumption was 241.4MB. Max. memory is 16.1GB. [2023-11-06 22:34:50,309 INFO L158 Benchmark]: Witness Printer took 93.49ms. Allocated memory is still 442.5MB. Free memory was 166.6MB in the beginning and 162.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:34:50,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.14ms. Allocated memory is still 165.7MB. Free memory was 123.4MB in the beginning and 111.2MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.03ms. Allocated memory is still 165.7MB. Free memory was 111.2MB in the beginning and 108.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.87ms. Allocated memory is still 165.7MB. Free memory was 108.4MB in the beginning and 106.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 893.99ms. Allocated memory is still 165.7MB. Free memory was 106.0MB in the beginning and 130.9MB in the end (delta: -24.9MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * TraceAbstraction took 18709.37ms. Allocated memory was 165.7MB in the beginning and 442.5MB in the end (delta: 276.8MB). Free memory was 130.1MB in the beginning and 166.6MB in the end (delta: -36.4MB). Peak memory consumption was 241.4MB. Max. memory is 16.1GB. * Witness Printer took 93.49ms. Allocated memory is still 442.5MB. Free memory was 166.6MB in the beginning and 162.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.4s, 290 PlacesBefore, 92 PlacesAfterwards, 299 TransitionsBefore, 93 TransitionsAfterwards, 15876 CoEnabledTransitionPairs, 8 FixpointIterations, 123 TrivialSequentialCompositions, 134 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 24 ConcurrentYvCompositions, 8 ChoiceCompositions, 308 TotalNumberOfCompositions, 61517 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21815, independent: 20874, independent conditional: 0, independent unconditional: 20874, dependent: 941, dependent conditional: 0, dependent unconditional: 941, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9206, independent: 9040, independent conditional: 0, independent unconditional: 9040, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21815, independent: 11834, independent conditional: 0, independent unconditional: 11834, dependent: 775, dependent conditional: 0, dependent unconditional: 775, unknown: 9206, unknown conditional: 0, unknown unconditional: 9206] , Statistics on independence cache: Total cache size (in pairs): 955, Positive cache size: 888, Positive conditional cache size: 0, Positive unconditional cache size: 888, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 453 locations, 59 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: 18.5s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1172 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 710 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 373 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2444 IncrementalHoareTripleChecker+Invalid, 2817 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 373 mSolverCounterUnsat, 121 mSDtfsCounter, 2444 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 540 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 6/6 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:34:50,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_410776ca-a921-45f8-b3a6-d642db5aec35/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE