./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:55:42,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:55:42,967 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:55:42,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:55:42,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:55:43,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:55:43,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:55:43,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:55:43,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:55:43,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:55:43,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:55:43,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:55:43,006 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:55:43,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:55:43,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:55:43,008 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:55:43,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:55:43,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:55:43,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:55:43,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:55:43,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:55:43,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:55:43,012 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:55:43,012 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:55:43,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:55:43,012 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:55:43,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:55:43,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:55:43,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:55:43,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:55:43,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:55:43,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:55:43,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:55:43,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:55:43,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:55:43,013 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:55:43,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:55:43,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:55:43,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:55:43,014 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:55:43,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:55:43,016 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2024-11-19 05:55:43,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:55:43,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:55:43,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:55:43,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:55:43,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:55:43,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-11-19 05:55:44,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:55:44,925 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:55:44,925 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-11-19 05:55:44,944 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7324015cd/4f4eee165d3748df808aeb65443a9451/FLAG0a5dd8ae3 [2024-11-19 05:55:44,959 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7324015cd/4f4eee165d3748df808aeb65443a9451 [2024-11-19 05:55:44,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:55:44,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:55:44,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:55:44,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:55:44,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:55:44,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:55:44" (1/1) ... [2024-11-19 05:55:44,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf81b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:44, skipping insertion in model container [2024-11-19 05:55:44,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:55:44" (1/1) ... [2024-11-19 05:55:45,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:55:45,435 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:45,439 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:45,439 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:45,440 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:45,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:55:45,511 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:55:45,608 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:45,613 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:45,613 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:45,614 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:45,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:55:45,715 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:55:45,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:45 WrapperNode [2024-11-19 05:55:45,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:55:45,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:55:45,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:55:45,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:55:45,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:45" (1/1) ... [2024-11-19 05:55:45,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:45" (1/1) ... [2024-11-19 05:55:45,811 INFO L138 Inliner]: procedures = 279, calls = 120, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 383 [2024-11-19 05:55:45,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:55:45,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:55:45,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:55:45,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:55:45,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:45" (1/1) ... [2024-11-19 05:55:45,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:45" (1/1) ... [2024-11-19 05:55:45,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:45" (1/1) ... [2024-11-19 05:55:45,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:45" (1/1) ... [2024-11-19 05:55:45,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:45" (1/1) ... [2024-11-19 05:55:45,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:45" (1/1) ... [2024-11-19 05:55:45,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:45" (1/1) ... [2024-11-19 05:55:45,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:45" (1/1) ... [2024-11-19 05:55:45,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:55:45,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:55:45,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:55:45,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:55:45,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:45" (1/1) ... [2024-11-19 05:55:45,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:55:45,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:55:45,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 05:55:45,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 05:55:45,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 05:55:45,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-19 05:55:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 05:55:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-19 05:55:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:55:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:55:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:55:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:55:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:55:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:55:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-19 05:55:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-19 05:55:45,964 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-19 05:55:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:55:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:55:45,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:55:45,966 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:55:46,105 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:55:46,107 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:55:46,691 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:55:46,691 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:55:46,735 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:55:46,735 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-19 05:55:46,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:55:46 BoogieIcfgContainer [2024-11-19 05:55:46,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:55:46,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:55:46,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:55:46,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:55:46,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:55:44" (1/3) ... [2024-11-19 05:55:46,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd0c626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:55:46, skipping insertion in model container [2024-11-19 05:55:46,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:45" (2/3) ... [2024-11-19 05:55:46,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd0c626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:55:46, skipping insertion in model container [2024-11-19 05:55:46,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:55:46" (3/3) ... [2024-11-19 05:55:46,745 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2024-11-19 05:55:46,817 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:55:46,817 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-11-19 05:55:46,817 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:55:46,912 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-19 05:55:46,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 386 places, 408 transitions, 823 flow [2024-11-19 05:55:47,099 INFO L124 PetriNetUnfolderBase]: 27/440 cut-off events. [2024-11-19 05:55:47,099 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:55:47,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 440 events. 27/440 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 954 event pairs, 0 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 255. Up to 4 conditions per place. [2024-11-19 05:55:47,110 INFO L82 GeneralOperation]: Start removeDead. Operand has 386 places, 408 transitions, 823 flow [2024-11-19 05:55:47,117 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 386 places, 408 transitions, 823 flow [2024-11-19 05:55:47,129 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:55:47,135 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56a16296, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:55:47,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-19 05:55:47,164 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:55:47,164 INFO L124 PetriNetUnfolderBase]: 3/120 cut-off events. [2024-11-19 05:55:47,164 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:55:47,165 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:47,166 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:47,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:55:47,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:47,171 INFO L85 PathProgramCache]: Analyzing trace with hash 2111164425, now seen corresponding path program 1 times [2024-11-19 05:55:47,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:47,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370468902] [2024-11-19 05:55:47,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:47,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:48,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:48,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370468902] [2024-11-19 05:55:48,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370468902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:48,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:48,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:55:48,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090519456] [2024-11-19 05:55:48,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:48,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:55:48,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:48,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:55:48,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:55:48,752 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 408 [2024-11-19 05:55:48,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 408 transitions, 823 flow. Second operand has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:48,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:48,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 408 [2024-11-19 05:55:48,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:49,001 INFO L124 PetriNetUnfolderBase]: 319/1602 cut-off events. [2024-11-19 05:55:49,002 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-11-19 05:55:49,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2292 conditions, 1602 events. 319/1602 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10089 event pairs, 288 based on Foata normal form. 182/1654 useless extension candidates. Maximal degree in co-relation 1972. Up to 674 conditions per place. [2024-11-19 05:55:49,015 INFO L140 encePairwiseOnDemand]: 377/408 looper letters, 80 selfloop transitions, 10 changer transitions 0/385 dead transitions. [2024-11-19 05:55:49,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 385 transitions, 957 flow [2024-11-19 05:55:49,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:55:49,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:55:49,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1887 transitions. [2024-11-19 05:55:49,034 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7708333333333334 [2024-11-19 05:55:49,036 INFO L175 Difference]: Start difference. First operand has 386 places, 408 transitions, 823 flow. Second operand 6 states and 1887 transitions. [2024-11-19 05:55:49,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 385 transitions, 957 flow [2024-11-19 05:55:49,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 385 transitions, 957 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:55:49,048 INFO L231 Difference]: Finished difference. Result has 387 places, 385 transitions, 797 flow [2024-11-19 05:55:49,052 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=387, PETRI_TRANSITIONS=385} [2024-11-19 05:55:49,056 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-11-19 05:55:49,056 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 385 transitions, 797 flow [2024-11-19 05:55:49,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:49,058 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:49,058 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:49,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:55:49,058 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:55:49,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:49,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1989397352, now seen corresponding path program 1 times [2024-11-19 05:55:49,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:49,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979794812] [2024-11-19 05:55:49,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:49,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:49,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:49,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:49,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979794812] [2024-11-19 05:55:49,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979794812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:49,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:49,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:55:49,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943826877] [2024-11-19 05:55:49,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:49,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:55:49,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:49,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:55:49,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:55:49,158 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 408 [2024-11-19 05:55:49,159 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 385 transitions, 797 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:49,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:49,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 408 [2024-11-19 05:55:49,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:49,218 INFO L124 PetriNetUnfolderBase]: 15/565 cut-off events. [2024-11-19 05:55:49,218 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-19 05:55:49,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 565 events. 15/565 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1665 event pairs, 8 based on Foata normal form. 1/522 useless extension candidates. Maximal degree in co-relation 402. Up to 34 conditions per place. [2024-11-19 05:55:49,220 INFO L140 encePairwiseOnDemand]: 405/408 looper letters, 15 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2024-11-19 05:55:49,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 386 transitions, 833 flow [2024-11-19 05:55:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:55:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:55:49,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-11-19 05:55:49,223 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9264705882352942 [2024-11-19 05:55:49,223 INFO L175 Difference]: Start difference. First operand has 387 places, 385 transitions, 797 flow. Second operand 3 states and 1134 transitions. [2024-11-19 05:55:49,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 386 transitions, 833 flow [2024-11-19 05:55:49,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 386 transitions, 813 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:55:49,231 INFO L231 Difference]: Finished difference. Result has 385 places, 386 transitions, 789 flow [2024-11-19 05:55:49,231 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=385, PETRI_TRANSITIONS=386} [2024-11-19 05:55:49,232 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -1 predicate places. [2024-11-19 05:55:49,232 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 386 transitions, 789 flow [2024-11-19 05:55:49,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:49,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:49,233 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:49,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:55:49,233 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:55:49,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:49,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1587066118, now seen corresponding path program 1 times [2024-11-19 05:55:49,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:49,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210363682] [2024-11-19 05:55:49,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:49,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:49,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:49,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210363682] [2024-11-19 05:55:49,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210363682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:49,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:49,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:55:49,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805138495] [2024-11-19 05:55:49,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:49,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:55:49,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:49,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:55:49,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:55:50,088 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 408 [2024-11-19 05:55:50,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 386 transitions, 789 flow. Second operand has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:50,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:50,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 408 [2024-11-19 05:55:50,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:50,509 INFO L124 PetriNetUnfolderBase]: 320/1724 cut-off events. [2024-11-19 05:55:50,510 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-11-19 05:55:50,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2465 conditions, 1724 events. 320/1724 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10820 event pairs, 288 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 2201. Up to 708 conditions per place. [2024-11-19 05:55:50,522 INFO L140 encePairwiseOnDemand]: 396/408 looper letters, 80 selfloop transitions, 10 changer transitions 0/384 dead transitions. [2024-11-19 05:55:50,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 384 transitions, 965 flow [2024-11-19 05:55:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:55:50,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:55:50,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1868 transitions. [2024-11-19 05:55:50,527 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7630718954248366 [2024-11-19 05:55:50,527 INFO L175 Difference]: Start difference. First operand has 385 places, 386 transitions, 789 flow. Second operand 6 states and 1868 transitions. [2024-11-19 05:55:50,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 384 transitions, 965 flow [2024-11-19 05:55:50,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 384 transitions, 963 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:55:50,536 INFO L231 Difference]: Finished difference. Result has 387 places, 384 transitions, 803 flow [2024-11-19 05:55:50,537 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=803, PETRI_PLACES=387, PETRI_TRANSITIONS=384} [2024-11-19 05:55:50,538 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-11-19 05:55:50,538 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 384 transitions, 803 flow [2024-11-19 05:55:50,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:50,540 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:50,540 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:50,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:55:50,541 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:55:50,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:50,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1252746799, now seen corresponding path program 1 times [2024-11-19 05:55:50,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:50,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588039071] [2024-11-19 05:55:50,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:50,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:50,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:50,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588039071] [2024-11-19 05:55:50,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588039071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:50,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:50,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:55:50,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398585803] [2024-11-19 05:55:50,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:50,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:55:50,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:50,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:55:50,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:55:51,244 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 408 [2024-11-19 05:55:51,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 384 transitions, 803 flow. Second operand has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:51,248 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:51,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 408 [2024-11-19 05:55:51,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:51,495 INFO L124 PetriNetUnfolderBase]: 320/1722 cut-off events. [2024-11-19 05:55:51,495 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-19 05:55:51,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2486 conditions, 1722 events. 320/1722 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10837 event pairs, 288 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 2101. Up to 722 conditions per place. [2024-11-19 05:55:51,504 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 87 selfloop transitions, 5 changer transitions 0/383 dead transitions. [2024-11-19 05:55:51,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 383 transitions, 985 flow [2024-11-19 05:55:51,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:55:51,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:55:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1863 transitions. [2024-11-19 05:55:51,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7610294117647058 [2024-11-19 05:55:51,510 INFO L175 Difference]: Start difference. First operand has 387 places, 384 transitions, 803 flow. Second operand 6 states and 1863 transitions. [2024-11-19 05:55:51,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 383 transitions, 985 flow [2024-11-19 05:55:51,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 383 transitions, 965 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:55:51,517 INFO L231 Difference]: Finished difference. Result has 386 places, 383 transitions, 791 flow [2024-11-19 05:55:51,517 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=386, PETRI_TRANSITIONS=383} [2024-11-19 05:55:51,518 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 0 predicate places. [2024-11-19 05:55:51,520 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 383 transitions, 791 flow [2024-11-19 05:55:51,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:51,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:51,521 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:51,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:55:51,522 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:55:51,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:51,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1507353856, now seen corresponding path program 1 times [2024-11-19 05:55:51,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:51,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330440521] [2024-11-19 05:55:51,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:51,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:51,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:51,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330440521] [2024-11-19 05:55:51,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330440521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:51,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:51,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:55:51,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936845879] [2024-11-19 05:55:51,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:51,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:55:51,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:51,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:55:51,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:55:51,680 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 408 [2024-11-19 05:55:51,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 383 transitions, 791 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:51,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:51,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 408 [2024-11-19 05:55:51,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:51,759 INFO L124 PetriNetUnfolderBase]: 15/747 cut-off events. [2024-11-19 05:55:51,760 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-19 05:55:51,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 818 conditions, 747 events. 15/747 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1629 event pairs, 8 based on Foata normal form. 2/703 useless extension candidates. Maximal degree in co-relation 593. Up to 38 conditions per place. [2024-11-19 05:55:51,762 INFO L140 encePairwiseOnDemand]: 405/408 looper letters, 15 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2024-11-19 05:55:51,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 384 transitions, 827 flow [2024-11-19 05:55:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:55:51,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:55:51,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-11-19 05:55:51,764 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9264705882352942 [2024-11-19 05:55:51,764 INFO L175 Difference]: Start difference. First operand has 386 places, 383 transitions, 791 flow. Second operand 3 states and 1134 transitions. [2024-11-19 05:55:51,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 384 transitions, 827 flow [2024-11-19 05:55:51,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 384 transitions, 817 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:55:51,769 INFO L231 Difference]: Finished difference. Result has 384 places, 384 transitions, 793 flow [2024-11-19 05:55:51,770 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=384, PETRI_TRANSITIONS=384} [2024-11-19 05:55:51,771 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-11-19 05:55:51,771 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 384 transitions, 793 flow [2024-11-19 05:55:51,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:51,772 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:51,772 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:51,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:55:51,772 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:55:51,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:51,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1474208170, now seen corresponding path program 1 times [2024-11-19 05:55:51,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:51,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617066156] [2024-11-19 05:55:51,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:51,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:52,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:52,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617066156] [2024-11-19 05:55:52,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617066156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:52,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:52,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:55:52,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668634407] [2024-11-19 05:55:52,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:52,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:55:52,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:52,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:55:52,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:55:52,695 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 408 [2024-11-19 05:55:52,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 384 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:52,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:52,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 408 [2024-11-19 05:55:52,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:52,812 INFO L124 PetriNetUnfolderBase]: 83/1061 cut-off events. [2024-11-19 05:55:52,812 INFO L125 PetriNetUnfolderBase]: For 10/14 co-relation queries the response was YES. [2024-11-19 05:55:52,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1414 conditions, 1061 events. 83/1061 cut-off events. For 10/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3662 event pairs, 64 based on Foata normal form. 0/978 useless extension candidates. Maximal degree in co-relation 882. Up to 311 conditions per place. [2024-11-19 05:55:52,816 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 62 selfloop transitions, 5 changer transitions 0/383 dead transitions. [2024-11-19 05:55:52,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 383 transitions, 925 flow [2024-11-19 05:55:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:55:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:55:52,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1988 transitions. [2024-11-19 05:55:52,819 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8120915032679739 [2024-11-19 05:55:52,819 INFO L175 Difference]: Start difference. First operand has 384 places, 384 transitions, 793 flow. Second operand 6 states and 1988 transitions. [2024-11-19 05:55:52,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 383 transitions, 925 flow [2024-11-19 05:55:52,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 383 transitions, 923 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:55:52,824 INFO L231 Difference]: Finished difference. Result has 387 places, 383 transitions, 799 flow [2024-11-19 05:55:52,825 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=799, PETRI_PLACES=387, PETRI_TRANSITIONS=383} [2024-11-19 05:55:52,825 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-11-19 05:55:52,825 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 383 transitions, 799 flow [2024-11-19 05:55:52,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:52,827 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:52,827 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:52,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:55:52,827 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:55:52,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:52,827 INFO L85 PathProgramCache]: Analyzing trace with hash 935654986, now seen corresponding path program 1 times [2024-11-19 05:55:52,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:52,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428506495] [2024-11-19 05:55:52,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:52,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:53,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:53,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:53,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428506495] [2024-11-19 05:55:53,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428506495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:53,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:53,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:55:53,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234769600] [2024-11-19 05:55:53,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:53,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:55:53,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:53,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:55:53,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:55:53,517 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 408 [2024-11-19 05:55:53,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 383 transitions, 799 flow. Second operand has 6 states, 6 states have (on average 300.3333333333333) internal successors, (1802), 6 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:53,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:53,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 408 [2024-11-19 05:55:53,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:53,805 INFO L124 PetriNetUnfolderBase]: 320/1902 cut-off events. [2024-11-19 05:55:53,805 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-19 05:55:53,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2751 conditions, 1902 events. 320/1902 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10742 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2245. Up to 788 conditions per place. [2024-11-19 05:55:53,813 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 87 selfloop transitions, 5 changer transitions 0/382 dead transitions. [2024-11-19 05:55:53,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 382 transitions, 981 flow [2024-11-19 05:55:53,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:55:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:55:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1863 transitions. [2024-11-19 05:55:53,817 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7610294117647058 [2024-11-19 05:55:53,817 INFO L175 Difference]: Start difference. First operand has 387 places, 383 transitions, 799 flow. Second operand 6 states and 1863 transitions. [2024-11-19 05:55:53,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 382 transitions, 981 flow [2024-11-19 05:55:53,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 382 transitions, 971 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:55:53,822 INFO L231 Difference]: Finished difference. Result has 386 places, 382 transitions, 797 flow [2024-11-19 05:55:53,823 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=386, PETRI_TRANSITIONS=382} [2024-11-19 05:55:53,824 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 0 predicate places. [2024-11-19 05:55:53,824 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 382 transitions, 797 flow [2024-11-19 05:55:53,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.3333333333333) internal successors, (1802), 6 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:53,825 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:53,825 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:53,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:55:53,825 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:55:53,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:53,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1837573129, now seen corresponding path program 1 times [2024-11-19 05:55:53,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:53,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950858870] [2024-11-19 05:55:53,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:53,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:54,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:54,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950858870] [2024-11-19 05:55:54,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950858870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:54,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:54,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:55:54,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030780927] [2024-11-19 05:55:54,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:54,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:55:54,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:54,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:55:54,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:55:54,862 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 408 [2024-11-19 05:55:54,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 382 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:54,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:54,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 408 [2024-11-19 05:55:54,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:55,069 INFO L124 PetriNetUnfolderBase]: 320/1898 cut-off events. [2024-11-19 05:55:55,069 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-19 05:55:55,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2731 conditions, 1898 events. 320/1898 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10747 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2261. Up to 772 conditions per place. [2024-11-19 05:55:55,076 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 83 selfloop transitions, 5 changer transitions 0/381 dead transitions. [2024-11-19 05:55:55,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 381 transitions, 971 flow [2024-11-19 05:55:55,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:55:55,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:55:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-19 05:55:55,084 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7691993464052288 [2024-11-19 05:55:55,085 INFO L175 Difference]: Start difference. First operand has 386 places, 382 transitions, 797 flow. Second operand 6 states and 1883 transitions. [2024-11-19 05:55:55,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 381 transitions, 971 flow [2024-11-19 05:55:55,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 381 transitions, 961 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:55:55,091 INFO L231 Difference]: Finished difference. Result has 385 places, 381 transitions, 795 flow [2024-11-19 05:55:55,092 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=795, PETRI_PLACES=385, PETRI_TRANSITIONS=381} [2024-11-19 05:55:55,094 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -1 predicate places. [2024-11-19 05:55:55,094 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 381 transitions, 795 flow [2024-11-19 05:55:55,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:55,096 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:55,096 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:55,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:55:55,096 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:55:55,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:55,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1457234093, now seen corresponding path program 1 times [2024-11-19 05:55:55,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:55,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394833317] [2024-11-19 05:55:55,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:55,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:55,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:55,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394833317] [2024-11-19 05:55:55,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394833317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:55,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:55,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:55:55,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594365356] [2024-11-19 05:55:55,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:55,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:55:55,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:55,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:55:55,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:55:55,874 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 408 [2024-11-19 05:55:55,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 381 transitions, 795 flow. Second operand has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:55,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:55,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 408 [2024-11-19 05:55:55,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:56,055 INFO L124 PetriNetUnfolderBase]: 320/1894 cut-off events. [2024-11-19 05:55:56,055 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-11-19 05:55:56,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2727 conditions, 1894 events. 320/1894 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10706 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2276. Up to 772 conditions per place. [2024-11-19 05:55:56,062 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 83 selfloop transitions, 5 changer transitions 0/380 dead transitions. [2024-11-19 05:55:56,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 380 transitions, 969 flow [2024-11-19 05:55:56,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:55:56,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:55:56,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-19 05:55:56,065 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7691993464052288 [2024-11-19 05:55:56,065 INFO L175 Difference]: Start difference. First operand has 385 places, 381 transitions, 795 flow. Second operand 6 states and 1883 transitions. [2024-11-19 05:55:56,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 380 transitions, 969 flow [2024-11-19 05:55:56,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 380 transitions, 959 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:55:56,070 INFO L231 Difference]: Finished difference. Result has 384 places, 380 transitions, 793 flow [2024-11-19 05:55:56,070 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=793, PETRI_PLACES=384, PETRI_TRANSITIONS=380} [2024-11-19 05:55:56,071 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-11-19 05:55:56,071 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 380 transitions, 793 flow [2024-11-19 05:55:56,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:56,072 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:56,072 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:56,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:55:56,072 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:55:56,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:56,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1516935485, now seen corresponding path program 1 times [2024-11-19 05:55:56,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:56,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855282631] [2024-11-19 05:55:56,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:56,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:56,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:56,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855282631] [2024-11-19 05:55:56,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855282631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:56,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:56,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:55:56,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29514276] [2024-11-19 05:55:56,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:56,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:55:56,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:56,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:55:56,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:55:56,926 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 408 [2024-11-19 05:55:56,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 380 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 301.5) internal successors, (1809), 6 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:56,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:56,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 408 [2024-11-19 05:55:56,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:57,202 INFO L124 PetriNetUnfolderBase]: 320/1890 cut-off events. [2024-11-19 05:55:57,202 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-11-19 05:55:57,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2743 conditions, 1890 events. 320/1890 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10719 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2289. Up to 792 conditions per place. [2024-11-19 05:55:57,209 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 88 selfloop transitions, 5 changer transitions 0/379 dead transitions. [2024-11-19 05:55:57,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 379 transitions, 977 flow [2024-11-19 05:55:57,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:55:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:55:57,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1858 transitions. [2024-11-19 05:55:57,213 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7589869281045751 [2024-11-19 05:55:57,213 INFO L175 Difference]: Start difference. First operand has 384 places, 380 transitions, 793 flow. Second operand 6 states and 1858 transitions. [2024-11-19 05:55:57,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 379 transitions, 977 flow [2024-11-19 05:55:57,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 379 transitions, 967 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:55:57,219 INFO L231 Difference]: Finished difference. Result has 383 places, 379 transitions, 791 flow [2024-11-19 05:55:57,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=383, PETRI_TRANSITIONS=379} [2024-11-19 05:55:57,221 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -3 predicate places. [2024-11-19 05:55:57,221 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 379 transitions, 791 flow [2024-11-19 05:55:57,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.5) internal successors, (1809), 6 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:57,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:57,222 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:57,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:55:57,223 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:55:57,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:57,223 INFO L85 PathProgramCache]: Analyzing trace with hash 689314316, now seen corresponding path program 1 times [2024-11-19 05:55:57,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:57,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866975313] [2024-11-19 05:55:57,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:57,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:57,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:57,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866975313] [2024-11-19 05:55:57,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866975313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:55:57,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13853453] [2024-11-19 05:55:57,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:57,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:55:57,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:55:57,406 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:55:57,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 05:55:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:57,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 05:55:57,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:55:57,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:57,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:55:58,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:58,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13853453] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:55:58,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:55:58,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 05:55:58,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235802754] [2024-11-19 05:55:58,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:55:58,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 05:55:58,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:58,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 05:55:58,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 05:55:58,144 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 408 [2024-11-19 05:55:58,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 379 transitions, 791 flow. Second operand has 10 states, 10 states have (on average 370.8) internal successors, (3708), 10 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:58,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:58,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 408 [2024-11-19 05:55:58,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:58,519 INFO L124 PetriNetUnfolderBase]: 15/911 cut-off events. [2024-11-19 05:55:58,520 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-19 05:55:58,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1025 conditions, 911 events. 15/911 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1033 event pairs, 8 based on Foata normal form. 4/889 useless extension candidates. Maximal degree in co-relation 799. Up to 38 conditions per place. [2024-11-19 05:55:58,527 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 19 selfloop transitions, 9 changer transitions 0/387 dead transitions. [2024-11-19 05:55:58,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 387 transitions, 865 flow [2024-11-19 05:55:58,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 05:55:58,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 05:55:58,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3351 transitions. [2024-11-19 05:55:58,540 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9125816993464052 [2024-11-19 05:55:58,540 INFO L175 Difference]: Start difference. First operand has 383 places, 379 transitions, 791 flow. Second operand 9 states and 3351 transitions. [2024-11-19 05:55:58,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 387 transitions, 865 flow [2024-11-19 05:55:58,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 387 transitions, 855 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:55:58,547 INFO L231 Difference]: Finished difference. Result has 389 places, 385 transitions, 831 flow [2024-11-19 05:55:58,551 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=831, PETRI_PLACES=389, PETRI_TRANSITIONS=385} [2024-11-19 05:55:58,554 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 3 predicate places. [2024-11-19 05:55:58,555 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 385 transitions, 831 flow [2024-11-19 05:55:58,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 370.8) internal successors, (3708), 10 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:58,556 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:58,556 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:58,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 05:55:58,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-19 05:55:58,758 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:55:58,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:58,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1039848228, now seen corresponding path program 2 times [2024-11-19 05:55:58,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:58,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559851950] [2024-11-19 05:55:58,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:55:58,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:58,841 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:55:58,842 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:55:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-19 05:55:59,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:59,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559851950] [2024-11-19 05:55:59,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559851950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:59,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:59,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:55:59,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544088898] [2024-11-19 05:55:59,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:59,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:55:59,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:59,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:55:59,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:55:59,380 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 408 [2024-11-19 05:55:59,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 385 transitions, 831 flow. Second operand has 6 states, 6 states have (on average 300.1666666666667) internal successors, (1801), 6 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:55:59,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:59,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 408 [2024-11-19 05:55:59,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:00,198 INFO L124 PetriNetUnfolderBase]: 739/3474 cut-off events. [2024-11-19 05:56:00,199 INFO L125 PetriNetUnfolderBase]: For 30/44 co-relation queries the response was YES. [2024-11-19 05:56:00,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5241 conditions, 3474 events. 739/3474 cut-off events. For 30/44 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 22490 event pairs, 315 based on Foata normal form. 4/3231 useless extension candidates. Maximal degree in co-relation 4577. Up to 1429 conditions per place. [2024-11-19 05:56:00,213 INFO L140 encePairwiseOnDemand]: 373/408 looper letters, 127 selfloop transitions, 118 changer transitions 0/534 dead transitions. [2024-11-19 05:56:00,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 534 transitions, 1619 flow [2024-11-19 05:56:00,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:00,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1998 transitions. [2024-11-19 05:56:00,216 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8161764705882353 [2024-11-19 05:56:00,217 INFO L175 Difference]: Start difference. First operand has 389 places, 385 transitions, 831 flow. Second operand 6 states and 1998 transitions. [2024-11-19 05:56:00,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 534 transitions, 1619 flow [2024-11-19 05:56:00,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 534 transitions, 1613 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-19 05:56:00,225 INFO L231 Difference]: Finished difference. Result has 398 places, 502 transitions, 1599 flow [2024-11-19 05:56:00,226 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1599, PETRI_PLACES=398, PETRI_TRANSITIONS=502} [2024-11-19 05:56:00,226 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 12 predicate places. [2024-11-19 05:56:00,226 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 502 transitions, 1599 flow [2024-11-19 05:56:00,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.1666666666667) internal successors, (1801), 6 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:00,227 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:00,227 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:00,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:56:00,228 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:56:00,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:00,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1479666183, now seen corresponding path program 1 times [2024-11-19 05:56:00,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:00,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785976424] [2024-11-19 05:56:00,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:00,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:00,596 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-19 05:56:00,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:00,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785976424] [2024-11-19 05:56:00,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785976424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:56:00,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252143556] [2024-11-19 05:56:00,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:00,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:56:00,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:56:00,600 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:56:00,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 05:56:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:00,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 1472 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 05:56:01,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:56:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-19 05:56:01,052 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 05:56:01,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252143556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:01,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 05:56:01,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-19 05:56:01,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621724303] [2024-11-19 05:56:01,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:01,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:01,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:01,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:01,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:01,076 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 408 [2024-11-19 05:56:01,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 502 transitions, 1599 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:01,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:01,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 408 [2024-11-19 05:56:01,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:01,406 INFO L124 PetriNetUnfolderBase]: 309/2211 cut-off events. [2024-11-19 05:56:01,406 INFO L125 PetriNetUnfolderBase]: For 182/195 co-relation queries the response was YES. [2024-11-19 05:56:01,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3343 conditions, 2211 events. 309/2211 cut-off events. For 182/195 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 11220 event pairs, 21 based on Foata normal form. 2/2084 useless extension candidates. Maximal degree in co-relation 2814. Up to 340 conditions per place. [2024-11-19 05:56:01,421 INFO L140 encePairwiseOnDemand]: 405/408 looper letters, 22 selfloop transitions, 3 changer transitions 0/510 dead transitions. [2024-11-19 05:56:01,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 510 transitions, 1665 flow [2024-11-19 05:56:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:01,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:01,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1141 transitions. [2024-11-19 05:56:01,423 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9321895424836601 [2024-11-19 05:56:01,424 INFO L175 Difference]: Start difference. First operand has 398 places, 502 transitions, 1599 flow. Second operand 3 states and 1141 transitions. [2024-11-19 05:56:01,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 510 transitions, 1665 flow [2024-11-19 05:56:01,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 510 transitions, 1665 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:56:01,435 INFO L231 Difference]: Finished difference. Result has 401 places, 502 transitions, 1610 flow [2024-11-19 05:56:01,436 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=1599, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=499, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1610, PETRI_PLACES=401, PETRI_TRANSITIONS=502} [2024-11-19 05:56:01,436 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 15 predicate places. [2024-11-19 05:56:01,437 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 502 transitions, 1610 flow [2024-11-19 05:56:01,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:01,438 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:01,438 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:01,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 05:56:01,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 05:56:01,646 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:56:01,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:01,647 INFO L85 PathProgramCache]: Analyzing trace with hash 2114270250, now seen corresponding path program 1 times [2024-11-19 05:56:01,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:01,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874399560] [2024-11-19 05:56:01,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:01,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:01,986 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-19 05:56:01,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:01,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874399560] [2024-11-19 05:56:01,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874399560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:56:01,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633427708] [2024-11-19 05:56:01,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:01,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:56:01,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:56:01,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:56:01,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 05:56:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:02,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 1525 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 05:56:02,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:56:02,780 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 05:56:02,780 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:56:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 05:56:03,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633427708] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:56:03,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:56:03,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-19 05:56:03,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326208647] [2024-11-19 05:56:03,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:56:03,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-19 05:56:03,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:03,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-19 05:56:03,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-19 05:56:03,274 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 408 [2024-11-19 05:56:03,278 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 502 transitions, 1610 flow. Second operand has 19 states, 19 states have (on average 365.57894736842104) internal successors, (6946), 19 states have internal predecessors, (6946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:03,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:03,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 408 [2024-11-19 05:56:03,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:04,793 INFO L124 PetriNetUnfolderBase]: 208/3343 cut-off events. [2024-11-19 05:56:04,793 INFO L125 PetriNetUnfolderBase]: For 241/263 co-relation queries the response was YES. [2024-11-19 05:56:04,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4548 conditions, 3343 events. 208/3343 cut-off events. For 241/263 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 9572 event pairs, 8 based on Foata normal form. 13/3260 useless extension candidates. Maximal degree in co-relation 2449. Up to 345 conditions per place. [2024-11-19 05:56:04,806 INFO L140 encePairwiseOnDemand]: 397/408 looper letters, 51 selfloop transitions, 68 changer transitions 0/588 dead transitions. [2024-11-19 05:56:04,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 588 transitions, 2258 flow [2024-11-19 05:56:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-19 05:56:04,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-19 05:56:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 23001 transitions. [2024-11-19 05:56:04,834 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8948412698412699 [2024-11-19 05:56:04,834 INFO L175 Difference]: Start difference. First operand has 401 places, 502 transitions, 1610 flow. Second operand 63 states and 23001 transitions. [2024-11-19 05:56:04,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 588 transitions, 2258 flow [2024-11-19 05:56:04,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 588 transitions, 2252 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:56:04,845 INFO L231 Difference]: Finished difference. Result has 477 places, 564 transitions, 2124 flow [2024-11-19 05:56:04,846 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=1604, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=2124, PETRI_PLACES=477, PETRI_TRANSITIONS=564} [2024-11-19 05:56:04,846 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 91 predicate places. [2024-11-19 05:56:04,846 INFO L471 AbstractCegarLoop]: Abstraction has has 477 places, 564 transitions, 2124 flow [2024-11-19 05:56:04,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 365.57894736842104) internal successors, (6946), 19 states have internal predecessors, (6946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:04,852 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:04,853 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:04,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 05:56:05,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:56:05,054 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:56:05,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:05,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1743570414, now seen corresponding path program 2 times [2024-11-19 05:56:05,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:05,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681376796] [2024-11-19 05:56:05,056 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:56:05,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:05,277 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:56:05,278 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:56:05,471 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8250 trivial. 0 not checked. [2024-11-19 05:56:05,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:05,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681376796] [2024-11-19 05:56:05,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681376796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:05,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:05,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:05,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152029755] [2024-11-19 05:56:05,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:05,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:56:05,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:05,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:56:05,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:05,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 408 [2024-11-19 05:56:05,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 564 transitions, 2124 flow. Second operand has 6 states, 6 states have (on average 325.1666666666667) internal successors, (1951), 6 states have internal predecessors, (1951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:05,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:05,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 408 [2024-11-19 05:56:05,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:08,223 INFO L124 PetriNetUnfolderBase]: 612/4998 cut-off events. [2024-11-19 05:56:08,223 INFO L125 PetriNetUnfolderBase]: For 853/890 co-relation queries the response was YES. [2024-11-19 05:56:08,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8274 conditions, 4998 events. 612/4998 cut-off events. For 853/890 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 23036 event pairs, 116 based on Foata normal form. 4/4734 useless extension candidates. Maximal degree in co-relation 6215. Up to 1421 conditions per place. [2024-11-19 05:56:08,244 INFO L140 encePairwiseOnDemand]: 393/408 looper letters, 135 selfloop transitions, 37 changer transitions 6/634 dead transitions. [2024-11-19 05:56:08,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 634 transitions, 2683 flow [2024-11-19 05:56:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:08,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:08,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2044 transitions. [2024-11-19 05:56:08,246 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8349673202614379 [2024-11-19 05:56:08,246 INFO L175 Difference]: Start difference. First operand has 477 places, 564 transitions, 2124 flow. Second operand 6 states and 2044 transitions. [2024-11-19 05:56:08,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 634 transitions, 2683 flow [2024-11-19 05:56:08,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 634 transitions, 2607 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-19 05:56:08,260 INFO L231 Difference]: Finished difference. Result has 480 places, 596 transitions, 2347 flow [2024-11-19 05:56:08,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=2048, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2347, PETRI_PLACES=480, PETRI_TRANSITIONS=596} [2024-11-19 05:56:08,261 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 94 predicate places. [2024-11-19 05:56:08,261 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 596 transitions, 2347 flow [2024-11-19 05:56:08,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 325.1666666666667) internal successors, (1951), 6 states have internal predecessors, (1951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:08,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:08,263 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:08,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:56:08,263 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:56:08,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:08,263 INFO L85 PathProgramCache]: Analyzing trace with hash -988355468, now seen corresponding path program 1 times [2024-11-19 05:56:08,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:08,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204628610] [2024-11-19 05:56:08,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:08,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 8260 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1913 trivial. 0 not checked. [2024-11-19 05:56:10,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:10,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204628610] [2024-11-19 05:56:10,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204628610] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:56:10,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286052396] [2024-11-19 05:56:10,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:10,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:56:10,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:56:10,950 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:56:10,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 05:56:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:12,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 5693 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 05:56:12,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:56:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 8260 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1913 trivial. 0 not checked. [2024-11-19 05:56:12,793 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:56:13,580 INFO L134 CoverageAnalysis]: Checked inductivity of 8260 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1913 trivial. 0 not checked. [2024-11-19 05:56:13,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286052396] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:56:13,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:56:13,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-19 05:56:13,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800492938] [2024-11-19 05:56:13,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:56:13,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-19 05:56:13,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:13,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-19 05:56:13,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 05:56:13,626 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 408 [2024-11-19 05:56:13,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 596 transitions, 2347 flow. Second operand has 34 states, 34 states have (on average 371.1470588235294) internal successors, (12619), 34 states have internal predecessors, (12619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:13,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:13,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 408 [2024-11-19 05:56:13,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:17,097 INFO L124 PetriNetUnfolderBase]: 289/6161 cut-off events. [2024-11-19 05:56:17,098 INFO L125 PetriNetUnfolderBase]: For 3511/3538 co-relation queries the response was YES. [2024-11-19 05:56:17,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8387 conditions, 6161 events. 289/6161 cut-off events. For 3511/3538 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 14736 event pairs, 8 based on Foata normal form. 24/6035 useless extension candidates. Maximal degree in co-relation 7891. Up to 525 conditions per place. [2024-11-19 05:56:17,112 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 50 selfloop transitions, 135 changer transitions 0/697 dead transitions. [2024-11-19 05:56:17,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 697 transitions, 3481 flow [2024-11-19 05:56:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-19 05:56:17,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-19 05:56:17,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 16688 transitions. [2024-11-19 05:56:17,121 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9089324618736383 [2024-11-19 05:56:17,121 INFO L175 Difference]: Start difference. First operand has 480 places, 596 transitions, 2347 flow. Second operand 45 states and 16688 transitions. [2024-11-19 05:56:17,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 697 transitions, 3481 flow [2024-11-19 05:56:17,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 697 transitions, 3481 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:56:17,137 INFO L231 Difference]: Finished difference. Result has 530 places, 671 transitions, 3221 flow [2024-11-19 05:56:17,139 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=2347, PETRI_DIFFERENCE_MINUEND_PLACES=477, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=3221, PETRI_PLACES=530, PETRI_TRANSITIONS=671} [2024-11-19 05:56:17,139 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 144 predicate places. [2024-11-19 05:56:17,139 INFO L471 AbstractCegarLoop]: Abstraction has has 530 places, 671 transitions, 3221 flow [2024-11-19 05:56:17,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 371.1470588235294) internal successors, (12619), 34 states have internal predecessors, (12619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:17,143 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:17,144 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:17,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 05:56:17,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 05:56:17,348 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:56:17,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:17,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1149192308, now seen corresponding path program 2 times [2024-11-19 05:56:17,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:17,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398648803] [2024-11-19 05:56:17,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:56:17,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:18,189 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 05:56:18,189 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:56:27,032 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-11-19 05:56:27,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:27,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398648803] [2024-11-19 05:56:27,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398648803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:56:27,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349671244] [2024-11-19 05:56:27,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:56:27,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:56:27,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:56:27,036 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:56:27,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 05:56:29,460 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 05:56:29,460 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:56:29,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 11581 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-19 05:56:29,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:56:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-11-19 05:56:30,777 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:56:32,664 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-11-19 05:56:32,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349671244] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:56:32,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:56:32,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-19 05:56:32,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975178945] [2024-11-19 05:56:32,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:56:32,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-19 05:56:32,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:32,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-19 05:56:32,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-19 05:56:32,735 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 408 [2024-11-19 05:56:32,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 671 transitions, 3221 flow. Second operand has 63 states, 63 states have (on average 371.1111111111111) internal successors, (23380), 63 states have internal predecessors, (23380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:32,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:32,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 408 [2024-11-19 05:56:32,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:41,969 INFO L124 PetriNetUnfolderBase]: 289/10211 cut-off events. [2024-11-19 05:56:41,969 INFO L125 PetriNetUnfolderBase]: For 13720/13747 co-relation queries the response was YES. [2024-11-19 05:56:41,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13610 conditions, 10211 events. 289/10211 cut-off events. For 13720/13747 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 14757 event pairs, 8 based on Foata normal form. 45/10106 useless extension candidates. Maximal degree in co-relation 13105. Up to 525 conditions per place. [2024-11-19 05:56:42,010 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 95 selfloop transitions, 270 changer transitions 0/877 dead transitions. [2024-11-19 05:56:42,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 877 transitions, 6137 flow [2024-11-19 05:56:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-19 05:56:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-11-19 05:56:42,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 33360 transitions. [2024-11-19 05:56:42,028 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9084967320261438 [2024-11-19 05:56:42,028 INFO L175 Difference]: Start difference. First operand has 530 places, 671 transitions, 3221 flow. Second operand 90 states and 33360 transitions. [2024-11-19 05:56:42,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 877 transitions, 6137 flow [2024-11-19 05:56:42,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 601 places, 877 transitions, 6029 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-19 05:56:42,057 INFO L231 Difference]: Finished difference. Result has 617 places, 809 transitions, 5105 flow [2024-11-19 05:56:42,058 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=3113, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=671, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=5105, PETRI_PLACES=617, PETRI_TRANSITIONS=809} [2024-11-19 05:56:42,059 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 231 predicate places. [2024-11-19 05:56:42,059 INFO L471 AbstractCegarLoop]: Abstraction has has 617 places, 809 transitions, 5105 flow [2024-11-19 05:56:42,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 371.1111111111111) internal successors, (23380), 63 states have internal predecessors, (23380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:42,065 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:42,066 INFO L204 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:42,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 05:56:42,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 05:56:42,268 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-19 05:56:42,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:42,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1037661428, now seen corresponding path program 3 times [2024-11-19 05:56:42,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:42,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140043439] [2024-11-19 05:56:42,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:56:42,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:42,899 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 05:56:42,899 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:56:43,078 INFO L134 CoverageAnalysis]: Checked inductivity of 159462 backedges. 0 proven. 81091 refuted. 0 times theorem prover too weak. 78371 trivial. 0 not checked. [2024-11-19 05:56:43,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:43,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140043439] [2024-11-19 05:56:43,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140043439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:56:43,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550587530] [2024-11-19 05:56:43,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:56:43,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:56:43,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:56:43,083 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:56:43,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 05:56:45,738 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 05:56:45,738 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:56:45,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 05:56:45,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:56:50,804 INFO L134 CoverageAnalysis]: Checked inductivity of 159462 backedges. 0 proven. 81091 refuted. 0 times theorem prover too weak. 78371 trivial. 0 not checked. [2024-11-19 05:56:50,804 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:56:55,677 INFO L134 CoverageAnalysis]: Checked inductivity of 159462 backedges. 0 proven. 81091 refuted. 0 times theorem prover too weak. 78371 trivial. 0 not checked. [2024-11-19 05:56:55,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550587530] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:56:55,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:56:55,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-19 05:56:55,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365706848] [2024-11-19 05:56:55,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:56:55,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 05:56:55,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:55,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 05:56:55,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-19 05:56:55,721 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 408 [2024-11-19 05:56:55,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 809 transitions, 5105 flow. Second operand has 14 states, 14 states have (on average 370.92857142857144) internal successors, (5193), 14 states have internal predecessors, (5193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:55,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:55,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 408 [2024-11-19 05:56:55,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand