./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-prod-cons-eq.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/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 ../../../trunk/examples/svcomp/weaver/popl20-prod-cons-eq.wvr.c -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.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 29fee1864b0d56497c32cb33e6aaa24ed5707e21c5b89ec418c6707c5ac52336 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:51:23,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:51:23,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:51:23,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:51:23,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:51:23,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:51:23,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:51:23,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:51:23,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:51:23,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:51:23,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:51:23,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:51:23,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:51:23,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:51:23,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:51:23,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:51:23,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:51:23,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:51:23,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:51:23,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:51:23,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:51:23,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:51:23,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:51:23,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:51:23,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:51:23,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:51:23,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:51:23,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:51:23,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:51:23,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:51:23,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:51:23,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:51:23,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:51:23,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:51:23,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:51:23,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:51:23,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:51:23,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:51:23,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:51:23,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:51:23,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:51:23,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:51:23,314 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:51:23,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:51:23,315 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:51:23,315 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:51:23,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:51:23,316 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:51:23,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:51:23,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:51:23,317 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:51:23,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:51:23,317 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:51:23,317 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:51:23,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:51:23,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:51:23,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:51:23,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:51:23,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:51:23,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:51:23,318 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:51:23,319 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:51:23,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:51:23,319 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:51:23,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:51:23,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:51:23,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:51:23,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:51:23,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:51:23,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:51:23,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:51:23,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:51:23,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:51:23,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:51:23,321 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:51:23,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:51:23,321 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:51:23,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:51:23,322 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:51:23,322 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29fee1864b0d56497c32cb33e6aaa24ed5707e21c5b89ec418c6707c5ac52336 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:51:23,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:51:23,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:51:23,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:51:23,600 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:51:23,601 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:51:23,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons-eq.wvr.c [2023-08-31 21:51:24,754 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:51:24,958 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:51:24,959 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons-eq.wvr.c [2023-08-31 21:51:24,963 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec1f14ee6/bd0762df99564990afd9ebd7f6f463e5/FLAG9296b73c2 [2023-08-31 21:51:24,973 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec1f14ee6/bd0762df99564990afd9ebd7f6f463e5 [2023-08-31 21:51:24,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:51:24,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:51:24,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:51:24,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:51:24,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:51:24,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:51:24" (1/1) ... [2023-08-31 21:51:24,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674939e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:24, skipping insertion in model container [2023-08-31 21:51:24,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:51:24" (1/1) ... [2023-08-31 21:51:24,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:51:25,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:51:25,214 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons-eq.wvr.c[4380,4393] [2023-08-31 21:51:25,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:51:25,245 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:51:25,330 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons-eq.wvr.c[4380,4393] [2023-08-31 21:51:25,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:51:25,347 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:51:25,348 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:51:25,359 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:51:25,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:25 WrapperNode [2023-08-31 21:51:25,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:51:25,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:51:25,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:51:25,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:51:25,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:25" (1/1) ... [2023-08-31 21:51:25,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:25" (1/1) ... [2023-08-31 21:51:25,452 INFO L138 Inliner]: procedures = 28, calls = 80, calls flagged for inlining = 26, calls inlined = 32, statements flattened = 832 [2023-08-31 21:51:25,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:51:25,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:51:25,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:51:25,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:51:25,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:25" (1/1) ... [2023-08-31 21:51:25,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:25" (1/1) ... [2023-08-31 21:51:25,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:25" (1/1) ... [2023-08-31 21:51:25,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:25" (1/1) ... [2023-08-31 21:51:25,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:25" (1/1) ... [2023-08-31 21:51:25,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:25" (1/1) ... [2023-08-31 21:51:25,541 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:25" (1/1) ... [2023-08-31 21:51:25,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:25" (1/1) ... [2023-08-31 21:51:25,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:51:25,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:51:25,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:51:25,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:51:25,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:25" (1/1) ... [2023-08-31 21:51:25,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:51:25,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:51:25,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 21:51:25,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 21:51:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:51:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-31 21:51:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:51:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:51:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:51:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-31 21:51:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:51:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:51:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:51:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:51:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:51:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:51:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:51:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 21:51:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 21:51:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:51:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:51:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:51:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:51:25,629 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:51:25,790 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:51:25,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:51:26,780 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:51:27,652 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:51:27,653 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-08-31 21:51:27,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:51:27 BoogieIcfgContainer [2023-08-31 21:51:27,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:51:27,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:51:27,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:51:27,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:51:27,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:51:24" (1/3) ... [2023-08-31 21:51:27,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4105031e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:51:27, skipping insertion in model container [2023-08-31 21:51:27,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:51:25" (2/3) ... [2023-08-31 21:51:27,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4105031e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:51:27, skipping insertion in model container [2023-08-31 21:51:27,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:51:27" (3/3) ... [2023-08-31 21:51:27,662 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons-eq.wvr.c [2023-08-31 21:51:27,668 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:51:27,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:51:27,676 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 130 error locations. [2023-08-31 21:51:27,676 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:51:27,959 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:51:27,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 753 places, 784 transitions, 1592 flow [2023-08-31 21:51:28,262 INFO L130 PetriNetUnfolder]: 41/781 cut-off events. [2023-08-31 21:51:28,263 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:51:28,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 794 conditions, 781 events. 41/781 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1535 event pairs, 0 based on Foata normal form. 0/610 useless extension candidates. Maximal degree in co-relation 544. Up to 2 conditions per place. [2023-08-31 21:51:28,274 INFO L82 GeneralOperation]: Start removeDead. Operand has 753 places, 784 transitions, 1592 flow [2023-08-31 21:51:28,287 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 734 places, 764 transitions, 1546 flow [2023-08-31 21:51:28,290 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:51:28,308 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 734 places, 764 transitions, 1546 flow [2023-08-31 21:51:28,313 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 734 places, 764 transitions, 1546 flow [2023-08-31 21:51:28,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 734 places, 764 transitions, 1546 flow [2023-08-31 21:51:28,487 INFO L130 PetriNetUnfolder]: 40/764 cut-off events. [2023-08-31 21:51:28,487 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:51:28,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 777 conditions, 764 events. 40/764 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1476 event pairs, 0 based on Foata normal form. 0/595 useless extension candidates. Maximal degree in co-relation 544. Up to 2 conditions per place. [2023-08-31 21:51:28,520 INFO L119 LiptonReduction]: Number of co-enabled transitions 61610 [2023-08-31 21:51:47,816 WARN L222 SmtUtils]: Spent 7.86s on a formula simplification. DAG size of input: 480 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 21:52:06,926 WARN L222 SmtUtils]: Spent 14.09s on a formula simplification. DAG size of input: 423 DAG size of output: 150 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 21:52:25,208 WARN L222 SmtUtils]: Spent 16.81s on a formula simplification. DAG size of input: 475 DAG size of output: 172 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 21:52:46,672 INFO L134 LiptonReduction]: Checked pairs total: 349212 [2023-08-31 21:52:46,673 INFO L136 LiptonReduction]: Total number of compositions: 810 [2023-08-31 21:52:46,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:52:46,699 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@61b9d115, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:52:46,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 225 error locations. [2023-08-31 21:52:46,702 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:52:46,702 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:52:46,702 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:52:46,702 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:52:46,703 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:52:46,708 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:52:46,708 INFO L85 PathProgramCache]: Analyzing trace with hash 3667, now seen corresponding path program 1 times [2023-08-31 21:52:46,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:52:46,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448672358] [2023-08-31 21:52:46,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:52:46,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:52:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:52:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:52:46,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:52:46,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448672358] [2023-08-31 21:52:46,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448672358] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:52:46,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:52:46,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:52:46,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616183718] [2023-08-31 21:52:46,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:52:46,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:52:46,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:52:46,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:52:46,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:52:46,851 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 694 out of 1594 [2023-08-31 21:52:46,857 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 245 transitions, 508 flow. Second operand has 2 states, 2 states have (on average 694.5) internal successors, (1389), 2 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:46,857 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:52:46,857 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 694 of 1594 [2023-08-31 21:52:46,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:52:48,757 INFO L130 PetriNetUnfolder]: 6907/14033 cut-off events. [2023-08-31 21:52:48,758 INFO L131 PetriNetUnfolder]: For 496/496 co-relation queries the response was YES. [2023-08-31 21:52:48,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24006 conditions, 14033 events. 6907/14033 cut-off events. For 496/496 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 105368 event pairs, 5701 based on Foata normal form. 923/13432 useless extension candidates. Maximal degree in co-relation 21464. Up to 9716 conditions per place. [2023-08-31 21:52:48,850 INFO L137 encePairwiseOnDemand]: 1484/1594 looper letters, 69 selfloop transitions, 0 changer transitions 1/135 dead transitions. [2023-08-31 21:52:48,851 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 135 transitions, 428 flow [2023-08-31 21:52:48,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:52:48,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:52:48,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1568 transitions. [2023-08-31 21:52:48,870 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4918444165621079 [2023-08-31 21:52:48,871 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1568 transitions. [2023-08-31 21:52:48,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1568 transitions. [2023-08-31 21:52:48,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:52:48,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1568 transitions. [2023-08-31 21:52:48,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 784.0) internal successors, (1568), 2 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:48,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1594.0) internal successors, (4782), 3 states have internal predecessors, (4782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:48,899 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1594.0) internal successors, (4782), 3 states have internal predecessors, (4782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:48,901 INFO L175 Difference]: Start difference. First operand has 240 places, 245 transitions, 508 flow. Second operand 2 states and 1568 transitions. [2023-08-31 21:52:48,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 135 transitions, 428 flow [2023-08-31 21:52:48,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 135 transitions, 416 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:52:48,916 INFO L231 Difference]: Finished difference. Result has 129 places, 134 transitions, 273 flow [2023-08-31 21:52:48,917 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=273, PETRI_PLACES=129, PETRI_TRANSITIONS=134} [2023-08-31 21:52:48,921 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -111 predicate places. [2023-08-31 21:52:48,921 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 134 transitions, 273 flow [2023-08-31 21:52:48,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 694.5) internal successors, (1389), 2 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:48,923 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:52:48,923 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:52:48,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:52:48,927 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:52:48,927 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:52:48,927 INFO L85 PathProgramCache]: Analyzing trace with hash -99739369, now seen corresponding path program 1 times [2023-08-31 21:52:48,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:52:48,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388879501] [2023-08-31 21:52:48,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:52:48,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:52:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:52:49,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:52:49,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:52:49,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388879501] [2023-08-31 21:52:49,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388879501] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:52:49,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:52:49,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:52:49,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900416868] [2023-08-31 21:52:49,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:52:49,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:52:49,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:52:49,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:52:49,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:52:49,141 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 691 out of 1594 [2023-08-31 21:52:49,143 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 134 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 694.0) internal successors, (2082), 3 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:49,143 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:52:49,143 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 691 of 1594 [2023-08-31 21:52:49,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:52:51,031 INFO L130 PetriNetUnfolder]: 8015/13982 cut-off events. [2023-08-31 21:52:51,031 INFO L131 PetriNetUnfolder]: For 125/464 co-relation queries the response was YES. [2023-08-31 21:52:51,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25302 conditions, 13982 events. 8015/13982 cut-off events. For 125/464 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 93574 event pairs, 2153 based on Foata normal form. 1/12245 useless extension candidates. Maximal degree in co-relation 25299. Up to 10484 conditions per place. [2023-08-31 21:52:51,109 INFO L137 encePairwiseOnDemand]: 1589/1594 looper letters, 108 selfloop transitions, 4 changer transitions 0/175 dead transitions. [2023-08-31 21:52:51,109 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 175 transitions, 581 flow [2023-08-31 21:52:51,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:52:51,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:52:51,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2186 transitions. [2023-08-31 21:52:51,116 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45713090757005437 [2023-08-31 21:52:51,116 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2186 transitions. [2023-08-31 21:52:51,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2186 transitions. [2023-08-31 21:52:51,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:52:51,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2186 transitions. [2023-08-31 21:52:51,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 728.6666666666666) internal successors, (2186), 3 states have internal predecessors, (2186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:51,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:51,134 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:51,135 INFO L175 Difference]: Start difference. First operand has 129 places, 134 transitions, 273 flow. Second operand 3 states and 2186 transitions. [2023-08-31 21:52:51,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 175 transitions, 581 flow [2023-08-31 21:52:51,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 175 transitions, 581 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:52:51,141 INFO L231 Difference]: Finished difference. Result has 130 places, 136 transitions, 295 flow [2023-08-31 21:52:51,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=295, PETRI_PLACES=130, PETRI_TRANSITIONS=136} [2023-08-31 21:52:51,142 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -110 predicate places. [2023-08-31 21:52:51,142 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 136 transitions, 295 flow [2023-08-31 21:52:51,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 694.0) internal successors, (2082), 3 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:51,144 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:52:51,144 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:52:51,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:52:51,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:52:51,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:52:51,145 INFO L85 PathProgramCache]: Analyzing trace with hash 796401084, now seen corresponding path program 1 times [2023-08-31 21:52:51,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:52:51,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495333182] [2023-08-31 21:52:51,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:52:51,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:52:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:52:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:52:51,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:52:51,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495333182] [2023-08-31 21:52:51,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495333182] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:52:51,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:52:51,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:52:51,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476579179] [2023-08-31 21:52:51,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:52:51,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:52:51,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:52:51,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:52:51,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:52:51,269 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 681 out of 1594 [2023-08-31 21:52:51,271 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 136 transitions, 295 flow. Second operand has 3 states, 3 states have (on average 684.6666666666666) internal successors, (2054), 3 states have internal predecessors, (2054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:51,271 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:52:51,271 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 681 of 1594 [2023-08-31 21:52:51,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:52:53,052 INFO L130 PetriNetUnfolder]: 7619/15456 cut-off events. [2023-08-31 21:52:53,053 INFO L131 PetriNetUnfolder]: For 2271/2271 co-relation queries the response was YES. [2023-08-31 21:52:53,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28309 conditions, 15456 events. 7619/15456 cut-off events. For 2271/2271 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 115941 event pairs, 6365 based on Foata normal form. 0/13744 useless extension candidates. Maximal degree in co-relation 28305. Up to 10722 conditions per place. [2023-08-31 21:52:53,136 INFO L137 encePairwiseOnDemand]: 1591/1594 looper letters, 70 selfloop transitions, 1 changer transitions 0/134 dead transitions. [2023-08-31 21:52:53,137 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 134 transitions, 433 flow [2023-08-31 21:52:53,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:52:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:52:53,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2114 transitions. [2023-08-31 21:52:53,142 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44207444583856126 [2023-08-31 21:52:53,143 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2114 transitions. [2023-08-31 21:52:53,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2114 transitions. [2023-08-31 21:52:53,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:52:53,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2114 transitions. [2023-08-31 21:52:53,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 704.6666666666666) internal successors, (2114), 3 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:53,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:53,159 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:53,159 INFO L175 Difference]: Start difference. First operand has 130 places, 136 transitions, 295 flow. Second operand 3 states and 2114 transitions. [2023-08-31 21:52:53,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 134 transitions, 433 flow [2023-08-31 21:52:53,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 134 transitions, 429 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:52:53,173 INFO L231 Difference]: Finished difference. Result has 129 places, 134 transitions, 289 flow [2023-08-31 21:52:53,173 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=287, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=289, PETRI_PLACES=129, PETRI_TRANSITIONS=134} [2023-08-31 21:52:53,175 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -111 predicate places. [2023-08-31 21:52:53,175 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 134 transitions, 289 flow [2023-08-31 21:52:53,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 684.6666666666666) internal successors, (2054), 3 states have internal predecessors, (2054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:53,176 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:52:53,176 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:52:53,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:52:53,177 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:52:53,177 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:52:53,177 INFO L85 PathProgramCache]: Analyzing trace with hash -641323144, now seen corresponding path program 1 times [2023-08-31 21:52:53,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:52:53,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540179364] [2023-08-31 21:52:53,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:52:53,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:52:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:52:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:52:53,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:52:53,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540179364] [2023-08-31 21:52:53,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540179364] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:52:53,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:52:53,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:52:53,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388700423] [2023-08-31 21:52:53,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:52:53,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:52:53,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:52:53,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:52:53,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:52:53,300 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 678 out of 1594 [2023-08-31 21:52:53,303 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 134 transitions, 289 flow. Second operand has 3 states, 3 states have (on average 682.3333333333334) internal successors, (2047), 3 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:53,303 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:52:53,303 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 678 of 1594 [2023-08-31 21:52:53,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:52:54,643 INFO L130 PetriNetUnfolder]: 7619/15406 cut-off events. [2023-08-31 21:52:54,643 INFO L131 PetriNetUnfolder]: For 1837/1837 co-relation queries the response was YES. [2023-08-31 21:52:54,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28064 conditions, 15406 events. 7619/15406 cut-off events. For 1837/1837 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 115040 event pairs, 6365 based on Foata normal form. 0/13695 useless extension candidates. Maximal degree in co-relation 28059. Up to 10716 conditions per place. [2023-08-31 21:52:54,725 INFO L137 encePairwiseOnDemand]: 1592/1594 looper letters, 70 selfloop transitions, 1 changer transitions 0/133 dead transitions. [2023-08-31 21:52:54,725 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 133 transitions, 429 flow [2023-08-31 21:52:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:52:54,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:52:54,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2104 transitions. [2023-08-31 21:52:54,731 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4399832705980761 [2023-08-31 21:52:54,731 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2104 transitions. [2023-08-31 21:52:54,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2104 transitions. [2023-08-31 21:52:54,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:52:54,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2104 transitions. [2023-08-31 21:52:54,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 701.3333333333334) internal successors, (2104), 3 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:54,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:54,747 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:54,747 INFO L175 Difference]: Start difference. First operand has 129 places, 134 transitions, 289 flow. Second operand 3 states and 2104 transitions. [2023-08-31 21:52:54,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 133 transitions, 429 flow [2023-08-31 21:52:54,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 133 transitions, 428 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:52:54,753 INFO L231 Difference]: Finished difference. Result has 129 places, 133 transitions, 288 flow [2023-08-31 21:52:54,754 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=129, PETRI_TRANSITIONS=133} [2023-08-31 21:52:54,756 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -111 predicate places. [2023-08-31 21:52:54,756 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 133 transitions, 288 flow [2023-08-31 21:52:54,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 682.3333333333334) internal successors, (2047), 3 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:54,757 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:52:54,757 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:52:54,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:52:54,758 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:52:54,759 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:52:54,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1593851065, now seen corresponding path program 1 times [2023-08-31 21:52:54,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:52:54,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708013356] [2023-08-31 21:52:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:52:54,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:52:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:52:54,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:52:54,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:52:54,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708013356] [2023-08-31 21:52:54,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708013356] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:52:54,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:52:54,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:52:54,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602744216] [2023-08-31 21:52:54,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:52:54,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:52:54,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:52:54,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:52:54,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:52:54,856 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 687 out of 1594 [2023-08-31 21:52:54,858 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 133 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 691.6666666666666) internal successors, (2075), 3 states have internal predecessors, (2075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:54,858 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:52:54,858 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 687 of 1594 [2023-08-31 21:52:54,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:52:56,386 INFO L130 PetriNetUnfolder]: 7619/15348 cut-off events. [2023-08-31 21:52:56,386 INFO L131 PetriNetUnfolder]: For 1837/1837 co-relation queries the response was YES. [2023-08-31 21:52:56,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28007 conditions, 15348 events. 7619/15348 cut-off events. For 1837/1837 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 114178 event pairs, 6365 based on Foata normal form. 0/13637 useless extension candidates. Maximal degree in co-relation 28002. Up to 10724 conditions per place. [2023-08-31 21:52:56,468 INFO L137 encePairwiseOnDemand]: 1592/1594 looper letters, 70 selfloop transitions, 1 changer transitions 0/132 dead transitions. [2023-08-31 21:52:56,469 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 132 transitions, 428 flow [2023-08-31 21:52:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:52:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:52:56,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2131 transitions. [2023-08-31 21:52:56,474 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44562944374738606 [2023-08-31 21:52:56,475 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2131 transitions. [2023-08-31 21:52:56,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2131 transitions. [2023-08-31 21:52:56,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:52:56,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2131 transitions. [2023-08-31 21:52:56,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 710.3333333333334) internal successors, (2131), 3 states have internal predecessors, (2131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:56,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:56,487 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:56,487 INFO L175 Difference]: Start difference. First operand has 129 places, 133 transitions, 288 flow. Second operand 3 states and 2131 transitions. [2023-08-31 21:52:56,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 132 transitions, 428 flow [2023-08-31 21:52:56,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 132 transitions, 427 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:52:56,491 INFO L231 Difference]: Finished difference. Result has 129 places, 132 transitions, 287 flow [2023-08-31 21:52:56,491 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=287, PETRI_PLACES=129, PETRI_TRANSITIONS=132} [2023-08-31 21:52:56,492 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -111 predicate places. [2023-08-31 21:52:56,492 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 132 transitions, 287 flow [2023-08-31 21:52:56,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 691.6666666666666) internal successors, (2075), 3 states have internal predecessors, (2075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:56,493 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:52:56,493 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:52:56,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:52:56,494 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:52:56,494 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:52:56,494 INFO L85 PathProgramCache]: Analyzing trace with hash 838232174, now seen corresponding path program 1 times [2023-08-31 21:52:56,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:52:56,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964622310] [2023-08-31 21:52:56,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:52:56,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:52:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:52:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:52:56,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:52:56,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964622310] [2023-08-31 21:52:56,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964622310] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:52:56,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:52:56,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:52:56,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949546320] [2023-08-31 21:52:56,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:52:56,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:52:56,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:52:56,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:52:56,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:52:56,570 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 687 out of 1594 [2023-08-31 21:52:56,578 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 132 transitions, 287 flow. Second operand has 3 states, 3 states have (on average 691.3333333333334) internal successors, (2074), 3 states have internal predecessors, (2074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:56,578 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:52:56,578 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 687 of 1594 [2023-08-31 21:52:56,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:52:58,319 INFO L130 PetriNetUnfolder]: 11187/20447 cut-off events. [2023-08-31 21:52:58,319 INFO L131 PetriNetUnfolder]: For 2390/2390 co-relation queries the response was YES. [2023-08-31 21:52:58,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39071 conditions, 20447 events. 11187/20447 cut-off events. For 2390/2390 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 148049 event pairs, 3114 based on Foata normal form. 0/17876 useless extension candidates. Maximal degree in co-relation 39066. Up to 10809 conditions per place. [2023-08-31 21:52:58,419 INFO L137 encePairwiseOnDemand]: 1589/1594 looper letters, 113 selfloop transitions, 3 changer transitions 0/175 dead transitions. [2023-08-31 21:52:58,419 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 175 transitions, 615 flow [2023-08-31 21:52:58,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:52:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:52:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2176 transitions. [2023-08-31 21:52:58,425 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45503973232956924 [2023-08-31 21:52:58,425 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2176 transitions. [2023-08-31 21:52:58,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2176 transitions. [2023-08-31 21:52:58,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:52:58,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2176 transitions. [2023-08-31 21:52:58,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 725.3333333333334) internal successors, (2176), 3 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:58,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:58,438 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:58,438 INFO L175 Difference]: Start difference. First operand has 129 places, 132 transitions, 287 flow. Second operand 3 states and 2176 transitions. [2023-08-31 21:52:58,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 175 transitions, 615 flow [2023-08-31 21:52:58,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 175 transitions, 614 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:52:58,443 INFO L231 Difference]: Finished difference. Result has 129 places, 133 transitions, 303 flow [2023-08-31 21:52:58,443 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=303, PETRI_PLACES=129, PETRI_TRANSITIONS=133} [2023-08-31 21:52:58,444 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -111 predicate places. [2023-08-31 21:52:58,444 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 133 transitions, 303 flow [2023-08-31 21:52:58,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 691.3333333333334) internal successors, (2074), 3 states have internal predecessors, (2074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:58,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:52:58,445 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:52:58,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:52:58,445 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:52:58,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:52:58,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1705603760, now seen corresponding path program 1 times [2023-08-31 21:52:58,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:52:58,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775969385] [2023-08-31 21:52:58,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:52:58,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:52:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:52:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:52:58,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:52:58,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775969385] [2023-08-31 21:52:58,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775969385] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:52:58,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:52:58,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:52:58,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013279942] [2023-08-31 21:52:58,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:52:58,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:52:58,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:52:58,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:52:58,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:52:59,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 664 out of 1594 [2023-08-31 21:52:59,490 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 133 transitions, 303 flow. Second operand has 6 states, 6 states have (on average 666.6666666666666) internal successors, (4000), 6 states have internal predecessors, (4000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:52:59,490 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:52:59,490 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 664 of 1594 [2023-08-31 21:52:59,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:53:04,564 INFO L130 PetriNetUnfolder]: 36164/52716 cut-off events. [2023-08-31 21:53:04,564 INFO L131 PetriNetUnfolder]: For 9179/9179 co-relation queries the response was YES. [2023-08-31 21:53:04,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112083 conditions, 52716 events. 36164/52716 cut-off events. For 9179/9179 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 339384 event pairs, 3394 based on Foata normal form. 0/45668 useless extension candidates. Maximal degree in co-relation 112078. Up to 17852 conditions per place. [2023-08-31 21:53:04,824 INFO L137 encePairwiseOnDemand]: 1589/1594 looper letters, 278 selfloop transitions, 4 changer transitions 0/336 dead transitions. [2023-08-31 21:53:04,825 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 336 transitions, 1373 flow [2023-08-31 21:53:04,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:53:04,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:53:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4242 transitions. [2023-08-31 21:53:04,837 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44353826850690087 [2023-08-31 21:53:04,837 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4242 transitions. [2023-08-31 21:53:04,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4242 transitions. [2023-08-31 21:53:04,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:53:04,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4242 transitions. [2023-08-31 21:53:04,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 707.0) internal successors, (4242), 6 states have internal predecessors, (4242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:04,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:04,859 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:04,859 INFO L175 Difference]: Start difference. First operand has 129 places, 133 transitions, 303 flow. Second operand 6 states and 4242 transitions. [2023-08-31 21:53:04,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 336 transitions, 1373 flow [2023-08-31 21:53:04,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 336 transitions, 1373 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:53:04,868 INFO L231 Difference]: Finished difference. Result has 133 places, 132 transitions, 309 flow [2023-08-31 21:53:04,869 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=309, PETRI_PLACES=133, PETRI_TRANSITIONS=132} [2023-08-31 21:53:04,869 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -107 predicate places. [2023-08-31 21:53:04,869 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 132 transitions, 309 flow [2023-08-31 21:53:04,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 666.6666666666666) internal successors, (4000), 6 states have internal predecessors, (4000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:04,871 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:53:04,871 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:53:04,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:53:04,871 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:53:04,871 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:53:04,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1611612716, now seen corresponding path program 1 times [2023-08-31 21:53:04,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:53:04,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711460789] [2023-08-31 21:53:04,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:53:04,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:53:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:53:04,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:53:04,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:53:04,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711460789] [2023-08-31 21:53:04,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711460789] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:53:04,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:53:04,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:53:04,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483007936] [2023-08-31 21:53:04,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:53:04,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:53:04,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:53:04,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:53:04,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:53:04,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 684 out of 1594 [2023-08-31 21:53:04,947 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 132 transitions, 309 flow. Second operand has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:04,947 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:53:04,947 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 684 of 1594 [2023-08-31 21:53:04,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:53:07,069 INFO L130 PetriNetUnfolder]: 12242/22771 cut-off events. [2023-08-31 21:53:07,070 INFO L131 PetriNetUnfolder]: For 5317/5317 co-relation queries the response was YES. [2023-08-31 21:53:07,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46275 conditions, 22771 events. 12242/22771 cut-off events. For 5317/5317 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 168150 event pairs, 2965 based on Foata normal form. 0/19920 useless extension candidates. Maximal degree in co-relation 46269. Up to 16373 conditions per place. [2023-08-31 21:53:07,174 INFO L137 encePairwiseOnDemand]: 1589/1594 looper letters, 98 selfloop transitions, 2 changer transitions 0/153 dead transitions. [2023-08-31 21:53:07,174 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 153 transitions, 563 flow [2023-08-31 21:53:07,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:53:07,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:53:07,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2149 transitions. [2023-08-31 21:53:07,180 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4493935591802593 [2023-08-31 21:53:07,180 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2149 transitions. [2023-08-31 21:53:07,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2149 transitions. [2023-08-31 21:53:07,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:53:07,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2149 transitions. [2023-08-31 21:53:07,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 716.3333333333334) internal successors, (2149), 3 states have internal predecessors, (2149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:07,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:07,191 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:07,191 INFO L175 Difference]: Start difference. First operand has 133 places, 132 transitions, 309 flow. Second operand 3 states and 2149 transitions. [2023-08-31 21:53:07,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 153 transitions, 563 flow [2023-08-31 21:53:07,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 153 transitions, 554 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:53:07,201 INFO L231 Difference]: Finished difference. Result has 129 places, 131 transitions, 310 flow [2023-08-31 21:53:07,201 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=129, PETRI_TRANSITIONS=131} [2023-08-31 21:53:07,202 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -111 predicate places. [2023-08-31 21:53:07,202 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 131 transitions, 310 flow [2023-08-31 21:53:07,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.3333333333334) internal successors, (2068), 3 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:07,203 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:53:07,203 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:53:07,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:53:07,204 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:53:07,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:53:07,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1694123841, now seen corresponding path program 1 times [2023-08-31 21:53:07,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:53:07,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056906217] [2023-08-31 21:53:07,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:53:07,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:53:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:53:07,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:53:07,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:53:07,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056906217] [2023-08-31 21:53:07,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056906217] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:53:07,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:53:07,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:53:07,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804222106] [2023-08-31 21:53:07,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:53:07,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 21:53:07,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:53:07,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 21:53:07,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 21:53:07,499 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 676 out of 1594 [2023-08-31 21:53:07,501 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 131 transitions, 310 flow. Second operand has 4 states, 4 states have (on average 679.5) internal successors, (2718), 4 states have internal predecessors, (2718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:07,501 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:53:07,501 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 676 of 1594 [2023-08-31 21:53:07,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:53:10,695 INFO L130 PetriNetUnfolder]: 15934/31422 cut-off events. [2023-08-31 21:53:10,696 INFO L131 PetriNetUnfolder]: For 5150/5150 co-relation queries the response was YES. [2023-08-31 21:53:10,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60257 conditions, 31422 events. 15934/31422 cut-off events. For 5150/5150 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 250817 event pairs, 12901 based on Foata normal form. 434/27645 useless extension candidates. Maximal degree in co-relation 60251. Up to 16041 conditions per place. [2023-08-31 21:53:10,812 INFO L137 encePairwiseOnDemand]: 1590/1594 looper letters, 137 selfloop transitions, 3 changer transitions 0/195 dead transitions. [2023-08-31 21:53:10,813 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 195 transitions, 746 flow [2023-08-31 21:53:10,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 21:53:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 21:53:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2834 transitions. [2023-08-31 21:53:10,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4444792973651192 [2023-08-31 21:53:10,819 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2834 transitions. [2023-08-31 21:53:10,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2834 transitions. [2023-08-31 21:53:10,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:53:10,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2834 transitions. [2023-08-31 21:53:10,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 708.5) internal successors, (2834), 4 states have internal predecessors, (2834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:10,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1594.0) internal successors, (7970), 5 states have internal predecessors, (7970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:10,836 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1594.0) internal successors, (7970), 5 states have internal predecessors, (7970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:10,836 INFO L175 Difference]: Start difference. First operand has 129 places, 131 transitions, 310 flow. Second operand 4 states and 2834 transitions. [2023-08-31 21:53:10,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 195 transitions, 746 flow [2023-08-31 21:53:10,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 195 transitions, 746 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:53:10,840 INFO L231 Difference]: Finished difference. Result has 134 places, 133 transitions, 333 flow [2023-08-31 21:53:10,841 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=333, PETRI_PLACES=134, PETRI_TRANSITIONS=133} [2023-08-31 21:53:10,841 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -106 predicate places. [2023-08-31 21:53:10,842 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 133 transitions, 333 flow [2023-08-31 21:53:10,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 679.5) internal successors, (2718), 4 states have internal predecessors, (2718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:10,843 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:53:10,843 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:53:10,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 21:53:10,843 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:53:10,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:53:10,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1811518458, now seen corresponding path program 1 times [2023-08-31 21:53:10,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:53:10,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509841263] [2023-08-31 21:53:10,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:53:10,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:53:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:53:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:53:11,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:53:11,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509841263] [2023-08-31 21:53:11,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509841263] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:53:11,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:53:11,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:53:11,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100233142] [2023-08-31 21:53:11,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:53:11,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:53:11,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:53:11,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:53:11,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:53:11,890 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 650 out of 1594 [2023-08-31 21:53:11,893 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 133 transitions, 333 flow. Second operand has 6 states, 6 states have (on average 653.5) internal successors, (3921), 6 states have internal predecessors, (3921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:11,893 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:53:11,893 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 650 of 1594 [2023-08-31 21:53:11,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:53:15,764 INFO L130 PetriNetUnfolder]: 21571/36567 cut-off events. [2023-08-31 21:53:15,764 INFO L131 PetriNetUnfolder]: For 7757/7757 co-relation queries the response was YES. [2023-08-31 21:53:15,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75821 conditions, 36567 events. 21571/36567 cut-off events. For 7757/7757 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 252350 event pairs, 4924 based on Foata normal form. 0/31690 useless extension candidates. Maximal degree in co-relation 75812. Up to 19573 conditions per place. [2023-08-31 21:53:15,902 INFO L137 encePairwiseOnDemand]: 1586/1594 looper letters, 171 selfloop transitions, 5 changer transitions 0/218 dead transitions. [2023-08-31 21:53:15,902 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 218 transitions, 939 flow [2023-08-31 21:53:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:53:15,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:53:15,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4058 transitions. [2023-08-31 21:53:15,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4242994562944375 [2023-08-31 21:53:15,911 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4058 transitions. [2023-08-31 21:53:15,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4058 transitions. [2023-08-31 21:53:15,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:53:15,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4058 transitions. [2023-08-31 21:53:15,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 676.3333333333334) internal successors, (4058), 6 states have internal predecessors, (4058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:15,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:15,930 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:15,930 INFO L175 Difference]: Start difference. First operand has 134 places, 133 transitions, 333 flow. Second operand 6 states and 4058 transitions. [2023-08-31 21:53:15,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 218 transitions, 939 flow [2023-08-31 21:53:15,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 218 transitions, 935 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-31 21:53:15,937 INFO L231 Difference]: Finished difference. Result has 135 places, 130 transitions, 333 flow [2023-08-31 21:53:15,938 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=333, PETRI_PLACES=135, PETRI_TRANSITIONS=130} [2023-08-31 21:53:15,938 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -105 predicate places. [2023-08-31 21:53:15,938 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 130 transitions, 333 flow [2023-08-31 21:53:15,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 653.5) internal successors, (3921), 6 states have internal predecessors, (3921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:15,940 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:53:15,940 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:53:15,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 21:53:15,940 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:53:15,940 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:53:15,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1704585816, now seen corresponding path program 1 times [2023-08-31 21:53:15,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:53:15,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083868888] [2023-08-31 21:53:15,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:53:15,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:53:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:53:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:53:16,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:53:16,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083868888] [2023-08-31 21:53:16,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083868888] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:53:16,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:53:16,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 21:53:16,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470079649] [2023-08-31 21:53:16,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:53:16,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 21:53:16,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:53:16,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 21:53:16,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 21:53:16,214 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 676 out of 1594 [2023-08-31 21:53:16,216 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 130 transitions, 333 flow. Second operand has 4 states, 4 states have (on average 679.75) internal successors, (2719), 4 states have internal predecessors, (2719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:16,216 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:53:16,216 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 676 of 1594 [2023-08-31 21:53:16,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:53:21,453 INFO L130 PetriNetUnfolder]: 27374/56403 cut-off events. [2023-08-31 21:53:21,454 INFO L131 PetriNetUnfolder]: For 10763/10763 co-relation queries the response was YES. [2023-08-31 21:53:21,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108850 conditions, 56403 events. 27374/56403 cut-off events. For 10763/10763 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 510371 event pairs, 23725 based on Foata normal form. 652/50533 useless extension candidates. Maximal degree in co-relation 108841. Up to 22715 conditions per place. [2023-08-31 21:53:21,804 INFO L137 encePairwiseOnDemand]: 1587/1594 looper letters, 185 selfloop transitions, 5 changer transitions 0/242 dead transitions. [2023-08-31 21:53:21,804 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 242 transitions, 994 flow [2023-08-31 21:53:21,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-31 21:53:21,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-31 21:53:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3557 transitions. [2023-08-31 21:53:21,814 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44629861982434127 [2023-08-31 21:53:21,814 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3557 transitions. [2023-08-31 21:53:21,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3557 transitions. [2023-08-31 21:53:21,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:53:21,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3557 transitions. [2023-08-31 21:53:21,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 711.4) internal successors, (3557), 5 states have internal predecessors, (3557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:21,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1594.0) internal successors, (9564), 6 states have internal predecessors, (9564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:21,832 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1594.0) internal successors, (9564), 6 states have internal predecessors, (9564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:21,832 INFO L175 Difference]: Start difference. First operand has 135 places, 130 transitions, 333 flow. Second operand 5 states and 3557 transitions. [2023-08-31 21:53:21,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 242 transitions, 994 flow [2023-08-31 21:53:21,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 242 transitions, 976 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:53:21,859 INFO L231 Difference]: Finished difference. Result has 137 places, 134 transitions, 369 flow [2023-08-31 21:53:21,859 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=369, PETRI_PLACES=137, PETRI_TRANSITIONS=134} [2023-08-31 21:53:21,860 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -103 predicate places. [2023-08-31 21:53:21,860 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 134 transitions, 369 flow [2023-08-31 21:53:21,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 679.75) internal successors, (2719), 4 states have internal predecessors, (2719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:21,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:53:21,861 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:53:21,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-31 21:53:21,862 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:53:21,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:53:21,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2018502925, now seen corresponding path program 1 times [2023-08-31 21:53:21,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:53:21,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796854677] [2023-08-31 21:53:21,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:53:21,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:53:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:53:22,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:53:22,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:53:22,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796854677] [2023-08-31 21:53:22,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796854677] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:53:22,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:53:22,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:53:22,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069739931] [2023-08-31 21:53:22,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:53:22,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:53:22,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:53:22,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:53:22,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:53:22,889 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 662 out of 1594 [2023-08-31 21:53:22,891 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 134 transitions, 369 flow. Second operand has 6 states, 6 states have (on average 665.5) internal successors, (3993), 6 states have internal predecessors, (3993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:22,892 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:53:22,892 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 662 of 1594 [2023-08-31 21:53:22,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:53:28,974 INFO L130 PetriNetUnfolder]: 29910/59597 cut-off events. [2023-08-31 21:53:28,974 INFO L131 PetriNetUnfolder]: For 17525/17525 co-relation queries the response was YES. [2023-08-31 21:53:29,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119102 conditions, 59597 events. 29910/59597 cut-off events. For 17525/17525 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 526720 event pairs, 23725 based on Foata normal form. 0/54695 useless extension candidates. Maximal degree in co-relation 119090. Up to 40635 conditions per place. [2023-08-31 21:53:29,342 INFO L137 encePairwiseOnDemand]: 1588/1594 looper letters, 245 selfloop transitions, 5 changer transitions 0/297 dead transitions. [2023-08-31 21:53:29,342 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 297 transitions, 1259 flow [2023-08-31 21:53:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:53:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:53:29,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4210 transitions. [2023-08-31 21:53:29,350 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44019238812212463 [2023-08-31 21:53:29,350 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4210 transitions. [2023-08-31 21:53:29,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4210 transitions. [2023-08-31 21:53:29,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:53:29,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4210 transitions. [2023-08-31 21:53:29,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 701.6666666666666) internal successors, (4210), 6 states have internal predecessors, (4210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:29,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:29,370 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:29,370 INFO L175 Difference]: Start difference. First operand has 137 places, 134 transitions, 369 flow. Second operand 6 states and 4210 transitions. [2023-08-31 21:53:29,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 297 transitions, 1259 flow [2023-08-31 21:53:29,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 297 transitions, 1255 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-31 21:53:29,383 INFO L231 Difference]: Finished difference. Result has 140 places, 133 transitions, 373 flow [2023-08-31 21:53:29,384 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=373, PETRI_PLACES=140, PETRI_TRANSITIONS=133} [2023-08-31 21:53:29,385 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -100 predicate places. [2023-08-31 21:53:29,385 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 133 transitions, 373 flow [2023-08-31 21:53:29,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 665.5) internal successors, (3993), 6 states have internal predecessors, (3993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:29,387 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:53:29,387 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:53:29,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-31 21:53:29,387 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:53:29,388 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:53:29,388 INFO L85 PathProgramCache]: Analyzing trace with hash 998438661, now seen corresponding path program 1 times [2023-08-31 21:53:29,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:53:29,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898820140] [2023-08-31 21:53:29,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:53:29,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:53:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:53:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:53:29,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:53:29,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898820140] [2023-08-31 21:53:29,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898820140] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:53:29,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:53:29,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:53:29,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792007500] [2023-08-31 21:53:29,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:53:29,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:53:29,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:53:29,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:53:29,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:53:29,685 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 692 out of 1594 [2023-08-31 21:53:29,686 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 133 transitions, 373 flow. Second operand has 3 states, 3 states have (on average 697.0) internal successors, (2091), 3 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:29,687 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:53:29,687 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 692 of 1594 [2023-08-31 21:53:29,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:53:34,334 INFO L130 PetriNetUnfolder]: 24361/46361 cut-off events. [2023-08-31 21:53:34,334 INFO L131 PetriNetUnfolder]: For 17317/17317 co-relation queries the response was YES. [2023-08-31 21:53:34,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99071 conditions, 46361 events. 24361/46361 cut-off events. For 17317/17317 co-relation queries the response was YES. Maximal size of possible extension queue 498. Compared 371721 event pairs, 14114 based on Foata normal form. 0/44284 useless extension candidates. Maximal degree in co-relation 99059. Up to 24913 conditions per place. [2023-08-31 21:53:34,560 INFO L137 encePairwiseOnDemand]: 1591/1594 looper letters, 131 selfloop transitions, 2 changer transitions 0/184 dead transitions. [2023-08-31 21:53:34,561 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 184 transitions, 773 flow [2023-08-31 21:53:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:53:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:53:34,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2196 transitions. [2023-08-31 21:53:34,564 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4592220828105395 [2023-08-31 21:53:34,565 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2196 transitions. [2023-08-31 21:53:34,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2196 transitions. [2023-08-31 21:53:34,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:53:34,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2196 transitions. [2023-08-31 21:53:34,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 732.0) internal successors, (2196), 3 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:34,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:34,572 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:34,572 INFO L175 Difference]: Start difference. First operand has 140 places, 133 transitions, 373 flow. Second operand 3 states and 2196 transitions. [2023-08-31 21:53:34,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 184 transitions, 773 flow [2023-08-31 21:53:34,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 184 transitions, 761 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:53:34,591 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 377 flow [2023-08-31 21:53:34,591 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=377, PETRI_PLACES=138, PETRI_TRANSITIONS=134} [2023-08-31 21:53:34,592 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -102 predicate places. [2023-08-31 21:53:34,592 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 377 flow [2023-08-31 21:53:34,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 697.0) internal successors, (2091), 3 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:34,592 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:53:34,593 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:53:34,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-31 21:53:34,593 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:53:34,593 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:53:34,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1950351329, now seen corresponding path program 1 times [2023-08-31 21:53:34,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:53:34,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180879858] [2023-08-31 21:53:34,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:53:34,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:53:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:53:34,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:53:34,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:53:34,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180879858] [2023-08-31 21:53:34,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180879858] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:53:34,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:53:34,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:53:34,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670741273] [2023-08-31 21:53:34,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:53:34,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:53:34,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:53:34,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:53:34,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:53:34,657 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 687 out of 1594 [2023-08-31 21:53:34,658 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 134 transitions, 377 flow. Second operand has 3 states, 3 states have (on average 694.3333333333334) internal successors, (2083), 3 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:34,659 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:53:34,659 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 687 of 1594 [2023-08-31 21:53:34,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:53:40,154 INFO L130 PetriNetUnfolder]: 31015/57967 cut-off events. [2023-08-31 21:53:40,154 INFO L131 PetriNetUnfolder]: For 24075/24075 co-relation queries the response was YES. [2023-08-31 21:53:40,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124108 conditions, 57967 events. 31015/57967 cut-off events. For 24075/24075 co-relation queries the response was YES. Maximal size of possible extension queue 528. Compared 470103 event pairs, 11276 based on Foata normal form. 0/55782 useless extension candidates. Maximal degree in co-relation 124095. Up to 38138 conditions per place. [2023-08-31 21:53:40,486 INFO L137 encePairwiseOnDemand]: 1590/1594 looper letters, 124 selfloop transitions, 3 changer transitions 0/176 dead transitions. [2023-08-31 21:53:40,486 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 176 transitions, 768 flow [2023-08-31 21:53:40,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:53:40,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:53:40,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2170 transitions. [2023-08-31 21:53:40,491 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45378502718527813 [2023-08-31 21:53:40,491 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2170 transitions. [2023-08-31 21:53:40,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2170 transitions. [2023-08-31 21:53:40,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:53:40,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2170 transitions. [2023-08-31 21:53:40,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 723.3333333333334) internal successors, (2170), 3 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:40,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:40,498 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:40,498 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 377 flow. Second operand 3 states and 2170 transitions. [2023-08-31 21:53:40,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 176 transitions, 768 flow [2023-08-31 21:53:40,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 176 transitions, 765 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:53:40,512 INFO L231 Difference]: Finished difference. Result has 139 places, 136 transitions, 400 flow [2023-08-31 21:53:40,513 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=139, PETRI_TRANSITIONS=136} [2023-08-31 21:53:40,513 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -101 predicate places. [2023-08-31 21:53:40,513 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 136 transitions, 400 flow [2023-08-31 21:53:40,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 694.3333333333334) internal successors, (2083), 3 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:40,514 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:53:40,514 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:53:40,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-31 21:53:40,514 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:53:40,515 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:53:40,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1682774085, now seen corresponding path program 1 times [2023-08-31 21:53:40,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:53:40,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510325340] [2023-08-31 21:53:40,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:53:40,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:53:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:53:40,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:53:40,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:53:40,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510325340] [2023-08-31 21:53:40,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510325340] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:53:40,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:53:40,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:53:40,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102787091] [2023-08-31 21:53:40,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:53:40,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:53:40,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:53:40,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:53:40,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:53:40,583 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 687 out of 1594 [2023-08-31 21:53:40,585 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 136 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 694.6666666666666) internal successors, (2084), 3 states have internal predecessors, (2084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:40,585 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:53:40,585 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 687 of 1594 [2023-08-31 21:53:40,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:53:46,128 INFO L130 PetriNetUnfolder]: 30702/57636 cut-off events. [2023-08-31 21:53:46,128 INFO L131 PetriNetUnfolder]: For 32377/32385 co-relation queries the response was YES. [2023-08-31 21:53:46,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127058 conditions, 57636 events. 30702/57636 cut-off events. For 32377/32385 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 469834 event pairs, 11870 based on Foata normal form. 0/55406 useless extension candidates. Maximal degree in co-relation 127045. Up to 37066 conditions per place. [2023-08-31 21:53:46,417 INFO L137 encePairwiseOnDemand]: 1590/1594 looper letters, 124 selfloop transitions, 4 changer transitions 0/178 dead transitions. [2023-08-31 21:53:46,417 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 178 transitions, 792 flow [2023-08-31 21:53:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:53:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:53:46,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2170 transitions. [2023-08-31 21:53:46,420 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45378502718527813 [2023-08-31 21:53:46,420 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2170 transitions. [2023-08-31 21:53:46,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2170 transitions. [2023-08-31 21:53:46,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:53:46,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2170 transitions. [2023-08-31 21:53:46,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 723.3333333333334) internal successors, (2170), 3 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:46,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:46,428 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:46,428 INFO L175 Difference]: Start difference. First operand has 139 places, 136 transitions, 400 flow. Second operand 3 states and 2170 transitions. [2023-08-31 21:53:46,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 178 transitions, 792 flow [2023-08-31 21:53:46,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 178 transitions, 792 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:53:46,440 INFO L231 Difference]: Finished difference. Result has 141 places, 137 transitions, 424 flow [2023-08-31 21:53:46,441 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=141, PETRI_TRANSITIONS=137} [2023-08-31 21:53:46,441 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -99 predicate places. [2023-08-31 21:53:46,441 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 137 transitions, 424 flow [2023-08-31 21:53:46,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 694.6666666666666) internal successors, (2084), 3 states have internal predecessors, (2084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:46,442 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:53:46,442 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:53:46,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-31 21:53:46,442 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:53:46,443 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:53:46,443 INFO L85 PathProgramCache]: Analyzing trace with hash 2102666362, now seen corresponding path program 1 times [2023-08-31 21:53:46,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:53:46,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537125475] [2023-08-31 21:53:46,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:53:46,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:53:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:53:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:53:46,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:53:46,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537125475] [2023-08-31 21:53:46,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537125475] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:53:46,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:53:46,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:53:46,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571057296] [2023-08-31 21:53:46,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:53:46,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:53:46,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:53:46,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:53:46,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:53:47,341 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 662 out of 1594 [2023-08-31 21:53:47,343 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 137 transitions, 424 flow. Second operand has 6 states, 6 states have (on average 666.6666666666666) internal successors, (4000), 6 states have internal predecessors, (4000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:47,343 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:53:47,343 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 662 of 1594 [2023-08-31 21:53:47,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:53:54,322 INFO L130 PetriNetUnfolder]: 34086/61279 cut-off events. [2023-08-31 21:53:54,322 INFO L131 PetriNetUnfolder]: For 48836/48844 co-relation queries the response was YES. [2023-08-31 21:53:54,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142634 conditions, 61279 events. 34086/61279 cut-off events. For 48836/48844 co-relation queries the response was YES. Maximal size of possible extension queue 526. Compared 479066 event pairs, 21227 based on Foata normal form. 0/59394 useless extension candidates. Maximal degree in co-relation 142620. Up to 39513 conditions per place. [2023-08-31 21:53:54,691 INFO L137 encePairwiseOnDemand]: 1587/1594 looper letters, 177 selfloop transitions, 6 changer transitions 0/228 dead transitions. [2023-08-31 21:53:54,692 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 228 transitions, 1136 flow [2023-08-31 21:53:54,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:53:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:53:54,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4122 transitions. [2023-08-31 21:53:54,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43099121706398996 [2023-08-31 21:53:54,697 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4122 transitions. [2023-08-31 21:53:54,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4122 transitions. [2023-08-31 21:53:54,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:53:54,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4122 transitions. [2023-08-31 21:53:54,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 687.0) internal successors, (4122), 6 states have internal predecessors, (4122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:54,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:54,707 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:54,707 INFO L175 Difference]: Start difference. First operand has 141 places, 137 transitions, 424 flow. Second operand 6 states and 4122 transitions. [2023-08-31 21:53:54,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 228 transitions, 1136 flow [2023-08-31 21:53:54,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 228 transitions, 1136 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:53:54,726 INFO L231 Difference]: Finished difference. Result has 145 places, 136 transitions, 434 flow [2023-08-31 21:53:54,726 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=434, PETRI_PLACES=145, PETRI_TRANSITIONS=136} [2023-08-31 21:53:54,727 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -95 predicate places. [2023-08-31 21:53:54,727 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 136 transitions, 434 flow [2023-08-31 21:53:54,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 666.6666666666666) internal successors, (4000), 6 states have internal predecessors, (4000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:54,728 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:53:54,728 INFO L208 CegarLoopForPetriNet]: trace histogram [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] [2023-08-31 21:53:54,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-31 21:53:54,728 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:53:54,728 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:53:54,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1402314896, now seen corresponding path program 1 times [2023-08-31 21:53:54,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:53:54,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955624715] [2023-08-31 21:53:54,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:53:54,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:53:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:53:55,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:53:55,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:53:55,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955624715] [2023-08-31 21:53:55,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955624715] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:53:55,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:53:55,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:53:55,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522972036] [2023-08-31 21:53:55,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:53:55,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:53:55,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:53:55,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:53:55,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:53:55,814 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 664 out of 1594 [2023-08-31 21:53:55,816 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 136 transitions, 434 flow. Second operand has 6 states, 6 states have (on average 669.0) internal successors, (4014), 6 states have internal predecessors, (4014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:53:55,816 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:53:55,816 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 664 of 1594 [2023-08-31 21:53:55,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:54:02,096 INFO L130 PetriNetUnfolder]: 32042/59284 cut-off events. [2023-08-31 21:54:02,097 INFO L131 PetriNetUnfolder]: For 46570/46578 co-relation queries the response was YES. [2023-08-31 21:54:02,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138738 conditions, 59284 events. 32042/59284 cut-off events. For 46570/46578 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 477545 event pairs, 23588 based on Foata normal form. 0/57417 useless extension candidates. Maximal degree in co-relation 138723. Up to 43816 conditions per place. [2023-08-31 21:54:02,441 INFO L137 encePairwiseOnDemand]: 1589/1594 looper letters, 243 selfloop transitions, 4 changer transitions 0/291 dead transitions. [2023-08-31 21:54:02,441 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 291 transitions, 1430 flow [2023-08-31 21:54:02,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:54:02,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:54:02,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4202 transitions. [2023-08-31 21:54:02,447 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43935591802593055 [2023-08-31 21:54:02,447 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4202 transitions. [2023-08-31 21:54:02,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4202 transitions. [2023-08-31 21:54:02,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:54:02,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4202 transitions. [2023-08-31 21:54:02,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 700.3333333333334) internal successors, (4202), 6 states have internal predecessors, (4202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:02,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:02,458 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:02,459 INFO L175 Difference]: Start difference. First operand has 145 places, 136 transitions, 434 flow. Second operand 6 states and 4202 transitions. [2023-08-31 21:54:02,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 291 transitions, 1430 flow [2023-08-31 21:54:02,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 291 transitions, 1394 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:54:02,488 INFO L231 Difference]: Finished difference. Result has 144 places, 135 transitions, 428 flow [2023-08-31 21:54:02,488 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=428, PETRI_PLACES=144, PETRI_TRANSITIONS=135} [2023-08-31 21:54:02,489 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -96 predicate places. [2023-08-31 21:54:02,489 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 135 transitions, 428 flow [2023-08-31 21:54:02,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 669.0) internal successors, (4014), 6 states have internal predecessors, (4014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:02,490 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:54:02,490 INFO L208 CegarLoopForPetriNet]: trace histogram [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] [2023-08-31 21:54:02,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-31 21:54:02,490 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:54:02,491 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:54:02,491 INFO L85 PathProgramCache]: Analyzing trace with hash 986063839, now seen corresponding path program 1 times [2023-08-31 21:54:02,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:54:02,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121466776] [2023-08-31 21:54:02,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:54:02,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:54:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:54:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:54:02,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:54:02,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121466776] [2023-08-31 21:54:02,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121466776] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:54:02,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:54:02,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:54:02,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129833127] [2023-08-31 21:54:02,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:54:02,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:54:02,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:54:02,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:54:02,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:54:03,468 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 664 out of 1594 [2023-08-31 21:54:03,471 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 135 transitions, 428 flow. Second operand has 6 states, 6 states have (on average 669.6666666666666) internal successors, (4018), 6 states have internal predecessors, (4018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:03,471 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:54:03,471 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 664 of 1594 [2023-08-31 21:54:03,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:54:09,435 INFO L130 PetriNetUnfolder]: 30882/57942 cut-off events. [2023-08-31 21:54:09,435 INFO L131 PetriNetUnfolder]: For 44051/44059 co-relation queries the response was YES. [2023-08-31 21:54:09,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132630 conditions, 57942 events. 30882/57942 cut-off events. For 44051/44059 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 471962 event pairs, 23882 based on Foata normal form. 0/56170 useless extension candidates. Maximal degree in co-relation 132615. Up to 44406 conditions per place. [2023-08-31 21:54:09,963 INFO L137 encePairwiseOnDemand]: 1589/1594 looper letters, 215 selfloop transitions, 4 changer transitions 4/266 dead transitions. [2023-08-31 21:54:09,963 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 266 transitions, 1180 flow [2023-08-31 21:54:09,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:54:09,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:54:09,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4186 transitions. [2023-08-31 21:54:09,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43768297783354243 [2023-08-31 21:54:09,970 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4186 transitions. [2023-08-31 21:54:09,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4186 transitions. [2023-08-31 21:54:09,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:54:09,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4186 transitions. [2023-08-31 21:54:09,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 697.6666666666666) internal successors, (4186), 6 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:09,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:09,981 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:09,981 INFO L175 Difference]: Start difference. First operand has 144 places, 135 transitions, 428 flow. Second operand 6 states and 4186 transitions. [2023-08-31 21:54:09,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 266 transitions, 1180 flow [2023-08-31 21:54:09,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 266 transitions, 1173 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:54:10,000 INFO L231 Difference]: Finished difference. Result has 144 places, 134 transitions, 427 flow [2023-08-31 21:54:10,000 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=419, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=427, PETRI_PLACES=144, PETRI_TRANSITIONS=134} [2023-08-31 21:54:10,001 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -96 predicate places. [2023-08-31 21:54:10,001 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 134 transitions, 427 flow [2023-08-31 21:54:10,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 669.6666666666666) internal successors, (4018), 6 states have internal predecessors, (4018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:10,002 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:54:10,002 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:54:10,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-31 21:54:10,002 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:54:10,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:54:10,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1905294098, now seen corresponding path program 1 times [2023-08-31 21:54:10,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:54:10,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527150505] [2023-08-31 21:54:10,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:54:10,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:54:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:54:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:54:10,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:54:10,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527150505] [2023-08-31 21:54:10,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527150505] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:54:10,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:54:10,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:54:10,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426748326] [2023-08-31 21:54:10,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:54:10,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:54:10,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:54:10,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:54:10,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:54:10,800 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 663 out of 1594 [2023-08-31 21:54:10,801 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 134 transitions, 427 flow. Second operand has 6 states, 6 states have (on average 668.3333333333334) internal successors, (4010), 6 states have internal predecessors, (4010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:10,801 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:54:10,801 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 663 of 1594 [2023-08-31 21:54:10,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:54:17,290 INFO L130 PetriNetUnfolder]: 34086/60715 cut-off events. [2023-08-31 21:54:17,290 INFO L131 PetriNetUnfolder]: For 48847/48855 co-relation queries the response was YES. [2023-08-31 21:54:17,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142328 conditions, 60715 events. 34086/60715 cut-off events. For 48847/48855 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 468979 event pairs, 23923 based on Foata normal form. 0/58962 useless extension candidates. Maximal degree in co-relation 142313. Up to 44497 conditions per place. [2023-08-31 21:54:17,638 INFO L137 encePairwiseOnDemand]: 1587/1594 looper letters, 177 selfloop transitions, 6 changer transitions 0/225 dead transitions. [2023-08-31 21:54:17,638 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 225 transitions, 1147 flow [2023-08-31 21:54:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:54:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:54:17,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4128 transitions. [2023-08-31 21:54:17,643 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4316185696361355 [2023-08-31 21:54:17,643 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4128 transitions. [2023-08-31 21:54:17,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4128 transitions. [2023-08-31 21:54:17,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:54:17,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4128 transitions. [2023-08-31 21:54:17,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 688.0) internal successors, (4128), 6 states have internal predecessors, (4128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:17,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:17,654 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:17,654 INFO L175 Difference]: Start difference. First operand has 144 places, 134 transitions, 427 flow. Second operand 6 states and 4128 transitions. [2023-08-31 21:54:17,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 225 transitions, 1147 flow [2023-08-31 21:54:17,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 225 transitions, 1132 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:54:17,669 INFO L231 Difference]: Finished difference. Result has 144 places, 133 transitions, 430 flow [2023-08-31 21:54:17,669 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=430, PETRI_PLACES=144, PETRI_TRANSITIONS=133} [2023-08-31 21:54:17,670 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -96 predicate places. [2023-08-31 21:54:17,670 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 133 transitions, 430 flow [2023-08-31 21:54:17,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 668.3333333333334) internal successors, (4010), 6 states have internal predecessors, (4010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:17,671 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:54:17,671 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:54:17,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-31 21:54:17,671 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:54:17,671 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:54:17,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1842946887, now seen corresponding path program 1 times [2023-08-31 21:54:17,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:54:17,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794147219] [2023-08-31 21:54:17,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:54:17,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:54:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:54:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:54:17,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:54:17,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794147219] [2023-08-31 21:54:17,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794147219] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:54:17,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:54:17,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:54:17,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029641229] [2023-08-31 21:54:17,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:54:17,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:54:17,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:54:17,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:54:17,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:54:17,789 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 691 out of 1594 [2023-08-31 21:54:17,790 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 133 transitions, 430 flow. Second operand has 3 states, 3 states have (on average 701.3333333333334) internal successors, (2104), 3 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:17,790 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:54:17,790 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 691 of 1594 [2023-08-31 21:54:17,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:54:23,149 INFO L130 PetriNetUnfolder]: 29575/55865 cut-off events. [2023-08-31 21:54:23,149 INFO L131 PetriNetUnfolder]: For 43541/43541 co-relation queries the response was YES. [2023-08-31 21:54:23,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129227 conditions, 55865 events. 29575/55865 cut-off events. For 43541/43541 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 454095 event pairs, 6571 based on Foata normal form. 0/54539 useless extension candidates. Maximal degree in co-relation 129212. Up to 30777 conditions per place. [2023-08-31 21:54:23,444 INFO L137 encePairwiseOnDemand]: 1591/1594 looper letters, 107 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2023-08-31 21:54:23,444 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 155 transitions, 745 flow [2023-08-31 21:54:23,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:54:23,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:54:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2160 transitions. [2023-08-31 21:54:23,448 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.451693851944793 [2023-08-31 21:54:23,448 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2160 transitions. [2023-08-31 21:54:23,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2160 transitions. [2023-08-31 21:54:23,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:54:23,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2160 transitions. [2023-08-31 21:54:23,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 720.0) internal successors, (2160), 3 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:23,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:23,453 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:23,454 INFO L175 Difference]: Start difference. First operand has 144 places, 133 transitions, 430 flow. Second operand 3 states and 2160 transitions. [2023-08-31 21:54:23,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 155 transitions, 745 flow [2023-08-31 21:54:23,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 155 transitions, 735 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:54:23,477 INFO L231 Difference]: Finished difference. Result has 140 places, 130 transitions, 411 flow [2023-08-31 21:54:23,477 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=140, PETRI_TRANSITIONS=130} [2023-08-31 21:54:23,478 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -100 predicate places. [2023-08-31 21:54:23,478 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 130 transitions, 411 flow [2023-08-31 21:54:23,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 701.3333333333334) internal successors, (2104), 3 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:23,478 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:54:23,478 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:54:23,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-31 21:54:23,479 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:54:23,479 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:54:23,479 INFO L85 PathProgramCache]: Analyzing trace with hash 354804044, now seen corresponding path program 1 times [2023-08-31 21:54:23,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:54:23,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111497922] [2023-08-31 21:54:23,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:54:23,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:54:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:54:23,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:54:23,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:54:23,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111497922] [2023-08-31 21:54:23,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111497922] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:54:23,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:54:23,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:54:23,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486438908] [2023-08-31 21:54:23,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:54:23,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:54:23,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:54:23,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:54:23,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:54:24,328 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 662 out of 1594 [2023-08-31 21:54:24,330 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 130 transitions, 411 flow. Second operand has 6 states, 6 states have (on average 668.1666666666666) internal successors, (4009), 6 states have internal predecessors, (4009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:24,331 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:54:24,331 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 662 of 1594 [2023-08-31 21:54:24,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:54:30,541 INFO L130 PetriNetUnfolder]: 31218/57183 cut-off events. [2023-08-31 21:54:30,542 INFO L131 PetriNetUnfolder]: For 45674/45682 co-relation queries the response was YES. [2023-08-31 21:54:30,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133105 conditions, 57183 events. 31218/57183 cut-off events. For 45674/45682 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 451269 event pairs, 22789 based on Foata normal form. 266/56093 useless extension candidates. Maximal degree in co-relation 133090. Up to 41997 conditions per place. [2023-08-31 21:54:30,857 INFO L137 encePairwiseOnDemand]: 1588/1594 looper letters, 170 selfloop transitions, 5 changer transitions 0/217 dead transitions. [2023-08-31 21:54:30,857 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 217 transitions, 1087 flow [2023-08-31 21:54:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:54:30,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:54:30,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4119 transitions. [2023-08-31 21:54:30,862 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4306775407779172 [2023-08-31 21:54:30,863 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4119 transitions. [2023-08-31 21:54:30,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4119 transitions. [2023-08-31 21:54:30,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:54:30,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4119 transitions. [2023-08-31 21:54:30,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 686.5) internal successors, (4119), 6 states have internal predecessors, (4119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:30,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:30,874 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1594.0) internal successors, (11158), 7 states have internal predecessors, (11158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:30,874 INFO L175 Difference]: Start difference. First operand has 140 places, 130 transitions, 411 flow. Second operand 6 states and 4119 transitions. [2023-08-31 21:54:30,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 217 transitions, 1087 flow [2023-08-31 21:54:30,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 217 transitions, 1083 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:54:30,906 INFO L231 Difference]: Finished difference. Result has 142 places, 129 transitions, 415 flow [2023-08-31 21:54:30,906 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=415, PETRI_PLACES=142, PETRI_TRANSITIONS=129} [2023-08-31 21:54:30,907 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -98 predicate places. [2023-08-31 21:54:30,907 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 129 transitions, 415 flow [2023-08-31 21:54:30,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 668.1666666666666) internal successors, (4009), 6 states have internal predecessors, (4009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:30,908 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:54:30,908 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:54:30,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-31 21:54:30,908 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:54:30,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:54:30,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1664935411, now seen corresponding path program 1 times [2023-08-31 21:54:30,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:54:30,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369891106] [2023-08-31 21:54:30,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:54:30,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:54:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:54:30,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:54:30,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:54:30,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369891106] [2023-08-31 21:54:30,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369891106] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:54:30,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:54:30,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:54:30,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115505316] [2023-08-31 21:54:30,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:54:30,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:54:30,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:54:30,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:54:30,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:54:30,975 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 690 out of 1594 [2023-08-31 21:54:30,976 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 129 transitions, 415 flow. Second operand has 3 states, 3 states have (on average 702.0) internal successors, (2106), 3 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:30,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:54:30,976 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 690 of 1594 [2023-08-31 21:54:30,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:54:36,671 INFO L130 PetriNetUnfolder]: 32407/59361 cut-off events. [2023-08-31 21:54:36,671 INFO L131 PetriNetUnfolder]: For 45999/46111 co-relation queries the response was YES. [2023-08-31 21:54:36,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138960 conditions, 59361 events. 32407/59361 cut-off events. For 45999/46111 co-relation queries the response was YES. Maximal size of possible extension queue 505. Compared 466721 event pairs, 10325 based on Foata normal form. 4/57847 useless extension candidates. Maximal degree in co-relation 138945. Up to 28957 conditions per place. [2023-08-31 21:54:37,048 INFO L137 encePairwiseOnDemand]: 1591/1594 looper letters, 131 selfloop transitions, 2 changer transitions 0/177 dead transitions. [2023-08-31 21:54:37,048 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 177 transitions, 839 flow [2023-08-31 21:54:37,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:54:37,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:54:37,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2183 transitions. [2023-08-31 21:54:37,051 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45650355499790884 [2023-08-31 21:54:37,051 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2183 transitions. [2023-08-31 21:54:37,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2183 transitions. [2023-08-31 21:54:37,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:54:37,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2183 transitions. [2023-08-31 21:54:37,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 727.6666666666666) internal successors, (2183), 3 states have internal predecessors, (2183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:37,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:37,057 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:37,057 INFO L175 Difference]: Start difference. First operand has 142 places, 129 transitions, 415 flow. Second operand 3 states and 2183 transitions. [2023-08-31 21:54:37,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 177 transitions, 839 flow [2023-08-31 21:54:37,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 177 transitions, 825 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:54:37,090 INFO L231 Difference]: Finished difference. Result has 139 places, 130 transitions, 421 flow [2023-08-31 21:54:37,090 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=421, PETRI_PLACES=139, PETRI_TRANSITIONS=130} [2023-08-31 21:54:37,091 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -101 predicate places. [2023-08-31 21:54:37,091 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 130 transitions, 421 flow [2023-08-31 21:54:37,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 702.0) internal successors, (2106), 3 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:37,091 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:54:37,091 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:54:37,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-31 21:54:37,092 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err31ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-08-31 21:54:37,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:54:37,092 INFO L85 PathProgramCache]: Analyzing trace with hash -2019335654, now seen corresponding path program 1 times [2023-08-31 21:54:37,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:54:37,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284365044] [2023-08-31 21:54:37,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:54:37,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:54:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:54:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:54:37,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:54:37,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284365044] [2023-08-31 21:54:37,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284365044] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:54:37,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:54:37,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:54:37,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527803235] [2023-08-31 21:54:37,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:54:37,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:54:37,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:54:37,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:54:37,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:54:37,576 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 665 out of 1594 [2023-08-31 21:54:37,578 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 130 transitions, 421 flow. Second operand has 3 states, 3 states have (on average 677.6666666666666) internal successors, (2033), 3 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:37,578 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:54:37,578 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 665 of 1594 [2023-08-31 21:54:37,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:54:45,037 INFO L130 PetriNetUnfolder]: 39028/71983 cut-off events. [2023-08-31 21:54:45,037 INFO L131 PetriNetUnfolder]: For 59880/59888 co-relation queries the response was YES. [2023-08-31 21:54:45,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166713 conditions, 71983 events. 39028/71983 cut-off events. For 59880/59888 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 574770 event pairs, 18503 based on Foata normal form. 0/70359 useless extension candidates. Maximal degree in co-relation 166698. Up to 33769 conditions per place. [2023-08-31 21:54:45,394 INFO L137 encePairwiseOnDemand]: 1591/1594 looper letters, 0 selfloop transitions, 0 changer transitions 177/177 dead transitions. [2023-08-31 21:54:45,394 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 177 transitions, 829 flow [2023-08-31 21:54:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:54:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:54:45,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2108 transitions. [2023-08-31 21:54:45,396 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44081974069427016 [2023-08-31 21:54:45,396 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2108 transitions. [2023-08-31 21:54:45,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2108 transitions. [2023-08-31 21:54:45,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:54:45,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2108 transitions. [2023-08-31 21:54:45,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 702.6666666666666) internal successors, (2108), 3 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:45,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:45,401 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1594.0) internal successors, (6376), 4 states have internal predecessors, (6376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:45,401 INFO L175 Difference]: Start difference. First operand has 139 places, 130 transitions, 421 flow. Second operand 3 states and 2108 transitions. [2023-08-31 21:54:45,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 177 transitions, 829 flow [2023-08-31 21:54:45,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 177 transitions, 829 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:54:45,417 INFO L231 Difference]: Finished difference. Result has 140 places, 0 transitions, 0 flow [2023-08-31 21:54:45,417 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1594, PETRI_DIFFERENCE_MINUEND_FLOW=419, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=140, PETRI_TRANSITIONS=0} [2023-08-31 21:54:45,418 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -100 predicate places. [2023-08-31 21:54:45,418 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 0 transitions, 0 flow [2023-08-31 21:54:45,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 677.6666666666666) internal successors, (2033), 3 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:54:45,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (224 of 225 remaining) [2023-08-31 21:54:45,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (223 of 225 remaining) [2023-08-31 21:54:45,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (222 of 225 remaining) [2023-08-31 21:54:45,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (221 of 225 remaining) [2023-08-31 21:54:45,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (220 of 225 remaining) [2023-08-31 21:54:45,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (219 of 225 remaining) [2023-08-31 21:54:45,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (218 of 225 remaining) [2023-08-31 21:54:45,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (217 of 225 remaining) [2023-08-31 21:54:45,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (216 of 225 remaining) [2023-08-31 21:54:45,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (215 of 225 remaining) [2023-08-31 21:54:45,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (214 of 225 remaining) [2023-08-31 21:54:45,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (213 of 225 remaining) [2023-08-31 21:54:45,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (212 of 225 remaining) [2023-08-31 21:54:45,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (211 of 225 remaining) [2023-08-31 21:54:45,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (210 of 225 remaining) [2023-08-31 21:54:45,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (209 of 225 remaining) [2023-08-31 21:54:45,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (208 of 225 remaining) [2023-08-31 21:54:45,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (207 of 225 remaining) [2023-08-31 21:54:45,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (206 of 225 remaining) [2023-08-31 21:54:45,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (205 of 225 remaining) [2023-08-31 21:54:45,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (204 of 225 remaining) [2023-08-31 21:54:45,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (203 of 225 remaining) [2023-08-31 21:54:45,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (202 of 225 remaining) [2023-08-31 21:54:45,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (201 of 225 remaining) [2023-08-31 21:54:45,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (200 of 225 remaining) [2023-08-31 21:54:45,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (199 of 225 remaining) [2023-08-31 21:54:45,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (198 of 225 remaining) [2023-08-31 21:54:45,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (197 of 225 remaining) [2023-08-31 21:54:45,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (196 of 225 remaining) [2023-08-31 21:54:45,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (195 of 225 remaining) [2023-08-31 21:54:45,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (194 of 225 remaining) [2023-08-31 21:54:45,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (193 of 225 remaining) [2023-08-31 21:54:45,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (192 of 225 remaining) [2023-08-31 21:54:45,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (191 of 225 remaining) [2023-08-31 21:54:45,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (190 of 225 remaining) [2023-08-31 21:54:45,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (189 of 225 remaining) [2023-08-31 21:54:45,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (188 of 225 remaining) [2023-08-31 21:54:45,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (187 of 225 remaining) [2023-08-31 21:54:45,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (186 of 225 remaining) [2023-08-31 21:54:45,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (185 of 225 remaining) [2023-08-31 21:54:45,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (184 of 225 remaining) [2023-08-31 21:54:45,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (183 of 225 remaining) [2023-08-31 21:54:45,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (182 of 225 remaining) [2023-08-31 21:54:45,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (181 of 225 remaining) [2023-08-31 21:54:45,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (180 of 225 remaining) [2023-08-31 21:54:45,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (179 of 225 remaining) [2023-08-31 21:54:45,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (178 of 225 remaining) [2023-08-31 21:54:45,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (177 of 225 remaining) [2023-08-31 21:54:45,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (176 of 225 remaining) [2023-08-31 21:54:45,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (175 of 225 remaining) [2023-08-31 21:54:45,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (174 of 225 remaining) [2023-08-31 21:54:45,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (173 of 225 remaining) [2023-08-31 21:54:45,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (172 of 225 remaining) [2023-08-31 21:54:45,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (171 of 225 remaining) [2023-08-31 21:54:45,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (170 of 225 remaining) [2023-08-31 21:54:45,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (169 of 225 remaining) [2023-08-31 21:54:45,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (168 of 225 remaining) [2023-08-31 21:54:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (167 of 225 remaining) [2023-08-31 21:54:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (166 of 225 remaining) [2023-08-31 21:54:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (165 of 225 remaining) [2023-08-31 21:54:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (164 of 225 remaining) [2023-08-31 21:54:45,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (163 of 225 remaining) [2023-08-31 21:54:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (162 of 225 remaining) [2023-08-31 21:54:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (161 of 225 remaining) [2023-08-31 21:54:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (160 of 225 remaining) [2023-08-31 21:54:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (159 of 225 remaining) [2023-08-31 21:54:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (158 of 225 remaining) [2023-08-31 21:54:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (157 of 225 remaining) [2023-08-31 21:54:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (156 of 225 remaining) [2023-08-31 21:54:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (155 of 225 remaining) [2023-08-31 21:54:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (154 of 225 remaining) [2023-08-31 21:54:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (153 of 225 remaining) [2023-08-31 21:54:45,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (152 of 225 remaining) [2023-08-31 21:54:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (151 of 225 remaining) [2023-08-31 21:54:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (150 of 225 remaining) [2023-08-31 21:54:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (149 of 225 remaining) [2023-08-31 21:54:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (148 of 225 remaining) [2023-08-31 21:54:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (147 of 225 remaining) [2023-08-31 21:54:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (146 of 225 remaining) [2023-08-31 21:54:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (145 of 225 remaining) [2023-08-31 21:54:45,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (144 of 225 remaining) [2023-08-31 21:54:45,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (143 of 225 remaining) [2023-08-31 21:54:45,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (142 of 225 remaining) [2023-08-31 21:54:45,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (141 of 225 remaining) [2023-08-31 21:54:45,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err25ASSERT_VIOLATIONDATA_RACE (140 of 225 remaining) [2023-08-31 21:54:45,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err26ASSERT_VIOLATIONDATA_RACE (139 of 225 remaining) [2023-08-31 21:54:45,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err27ASSERT_VIOLATIONDATA_RACE (138 of 225 remaining) [2023-08-31 21:54:45,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err28ASSERT_VIOLATIONDATA_RACE (137 of 225 remaining) [2023-08-31 21:54:45,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err29ASSERT_VIOLATIONDATA_RACE (136 of 225 remaining) [2023-08-31 21:54:45,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err30ASSERT_VIOLATIONDATA_RACE (135 of 225 remaining) [2023-08-31 21:54:45,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err31ASSERT_VIOLATIONDATA_RACE (134 of 225 remaining) [2023-08-31 21:54:45,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err32ASSERT_VIOLATIONDATA_RACE (133 of 225 remaining) [2023-08-31 21:54:45,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (132 of 225 remaining) [2023-08-31 21:54:45,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (131 of 225 remaining) [2023-08-31 21:54:45,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (130 of 225 remaining) [2023-08-31 21:54:45,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (129 of 225 remaining) [2023-08-31 21:54:45,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (128 of 225 remaining) [2023-08-31 21:54:45,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (127 of 225 remaining) [2023-08-31 21:54:45,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (126 of 225 remaining) [2023-08-31 21:54:45,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (125 of 225 remaining) [2023-08-31 21:54:45,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (124 of 225 remaining) [2023-08-31 21:54:45,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (123 of 225 remaining) [2023-08-31 21:54:45,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (122 of 225 remaining) [2023-08-31 21:54:45,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (121 of 225 remaining) [2023-08-31 21:54:45,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (120 of 225 remaining) [2023-08-31 21:54:45,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (119 of 225 remaining) [2023-08-31 21:54:45,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (118 of 225 remaining) [2023-08-31 21:54:45,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (117 of 225 remaining) [2023-08-31 21:54:45,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (116 of 225 remaining) [2023-08-31 21:54:45,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (115 of 225 remaining) [2023-08-31 21:54:45,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (114 of 225 remaining) [2023-08-31 21:54:45,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (113 of 225 remaining) [2023-08-31 21:54:45,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (112 of 225 remaining) [2023-08-31 21:54:45,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (111 of 225 remaining) [2023-08-31 21:54:45,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (110 of 225 remaining) [2023-08-31 21:54:45,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (109 of 225 remaining) [2023-08-31 21:54:45,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (108 of 225 remaining) [2023-08-31 21:54:45,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (107 of 225 remaining) [2023-08-31 21:54:45,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (106 of 225 remaining) [2023-08-31 21:54:45,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (105 of 225 remaining) [2023-08-31 21:54:45,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (104 of 225 remaining) [2023-08-31 21:54:45,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (103 of 225 remaining) [2023-08-31 21:54:45,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (102 of 225 remaining) [2023-08-31 21:54:45,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (101 of 225 remaining) [2023-08-31 21:54:45,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (100 of 225 remaining) [2023-08-31 21:54:45,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (99 of 225 remaining) [2023-08-31 21:54:45,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (98 of 225 remaining) [2023-08-31 21:54:45,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (97 of 225 remaining) [2023-08-31 21:54:45,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (96 of 225 remaining) [2023-08-31 21:54:45,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (95 of 225 remaining) [2023-08-31 21:54:45,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (94 of 225 remaining) [2023-08-31 21:54:45,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (93 of 225 remaining) [2023-08-31 21:54:45,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (92 of 225 remaining) [2023-08-31 21:54:45,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (91 of 225 remaining) [2023-08-31 21:54:45,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (90 of 225 remaining) [2023-08-31 21:54:45,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (89 of 225 remaining) [2023-08-31 21:54:45,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (88 of 225 remaining) [2023-08-31 21:54:45,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (87 of 225 remaining) [2023-08-31 21:54:45,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (86 of 225 remaining) [2023-08-31 21:54:45,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (85 of 225 remaining) [2023-08-31 21:54:45,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (84 of 225 remaining) [2023-08-31 21:54:45,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (83 of 225 remaining) [2023-08-31 21:54:45,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (82 of 225 remaining) [2023-08-31 21:54:45,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (81 of 225 remaining) [2023-08-31 21:54:45,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (80 of 225 remaining) [2023-08-31 21:54:45,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (79 of 225 remaining) [2023-08-31 21:54:45,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (78 of 225 remaining) [2023-08-31 21:54:45,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (77 of 225 remaining) [2023-08-31 21:54:45,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (76 of 225 remaining) [2023-08-31 21:54:45,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (75 of 225 remaining) [2023-08-31 21:54:45,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (74 of 225 remaining) [2023-08-31 21:54:45,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (73 of 225 remaining) [2023-08-31 21:54:45,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (72 of 225 remaining) [2023-08-31 21:54:45,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (71 of 225 remaining) [2023-08-31 21:54:45,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (70 of 225 remaining) [2023-08-31 21:54:45,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (69 of 225 remaining) [2023-08-31 21:54:45,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (68 of 225 remaining) [2023-08-31 21:54:45,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (67 of 225 remaining) [2023-08-31 21:54:45,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (66 of 225 remaining) [2023-08-31 21:54:45,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (65 of 225 remaining) [2023-08-31 21:54:45,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (64 of 225 remaining) [2023-08-31 21:54:45,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (63 of 225 remaining) [2023-08-31 21:54:45,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (62 of 225 remaining) [2023-08-31 21:54:45,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (61 of 225 remaining) [2023-08-31 21:54:45,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (60 of 225 remaining) [2023-08-31 21:54:45,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (59 of 225 remaining) [2023-08-31 21:54:45,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (58 of 225 remaining) [2023-08-31 21:54:45,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (57 of 225 remaining) [2023-08-31 21:54:45,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (56 of 225 remaining) [2023-08-31 21:54:45,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (55 of 225 remaining) [2023-08-31 21:54:45,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (54 of 225 remaining) [2023-08-31 21:54:45,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (53 of 225 remaining) [2023-08-31 21:54:45,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (52 of 225 remaining) [2023-08-31 21:54:45,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (51 of 225 remaining) [2023-08-31 21:54:45,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (50 of 225 remaining) [2023-08-31 21:54:45,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (49 of 225 remaining) [2023-08-31 21:54:45,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (48 of 225 remaining) [2023-08-31 21:54:45,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (47 of 225 remaining) [2023-08-31 21:54:45,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (46 of 225 remaining) [2023-08-31 21:54:45,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (45 of 225 remaining) [2023-08-31 21:54:45,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (44 of 225 remaining) [2023-08-31 21:54:45,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (43 of 225 remaining) [2023-08-31 21:54:45,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (42 of 225 remaining) [2023-08-31 21:54:45,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (41 of 225 remaining) [2023-08-31 21:54:45,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (40 of 225 remaining) [2023-08-31 21:54:45,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (39 of 225 remaining) [2023-08-31 21:54:45,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (38 of 225 remaining) [2023-08-31 21:54:45,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (37 of 225 remaining) [2023-08-31 21:54:45,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (36 of 225 remaining) [2023-08-31 21:54:45,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (35 of 225 remaining) [2023-08-31 21:54:45,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (34 of 225 remaining) [2023-08-31 21:54:45,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (33 of 225 remaining) [2023-08-31 21:54:45,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (32 of 225 remaining) [2023-08-31 21:54:45,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (31 of 225 remaining) [2023-08-31 21:54:45,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (30 of 225 remaining) [2023-08-31 21:54:45,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (29 of 225 remaining) [2023-08-31 21:54:45,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (28 of 225 remaining) [2023-08-31 21:54:45,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (27 of 225 remaining) [2023-08-31 21:54:45,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (26 of 225 remaining) [2023-08-31 21:54:45,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (25 of 225 remaining) [2023-08-31 21:54:45,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (24 of 225 remaining) [2023-08-31 21:54:45,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (23 of 225 remaining) [2023-08-31 21:54:45,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (22 of 225 remaining) [2023-08-31 21:54:45,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (21 of 225 remaining) [2023-08-31 21:54:45,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (20 of 225 remaining) [2023-08-31 21:54:45,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (19 of 225 remaining) [2023-08-31 21:54:45,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (18 of 225 remaining) [2023-08-31 21:54:45,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (17 of 225 remaining) [2023-08-31 21:54:45,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (16 of 225 remaining) [2023-08-31 21:54:45,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (15 of 225 remaining) [2023-08-31 21:54:45,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (14 of 225 remaining) [2023-08-31 21:54:45,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (13 of 225 remaining) [2023-08-31 21:54:45,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (12 of 225 remaining) [2023-08-31 21:54:45,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (11 of 225 remaining) [2023-08-31 21:54:45,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (10 of 225 remaining) [2023-08-31 21:54:45,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (9 of 225 remaining) [2023-08-31 21:54:45,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (8 of 225 remaining) [2023-08-31 21:54:45,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err25ASSERT_VIOLATIONDATA_RACE (7 of 225 remaining) [2023-08-31 21:54:45,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err26ASSERT_VIOLATIONDATA_RACE (6 of 225 remaining) [2023-08-31 21:54:45,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err27ASSERT_VIOLATIONDATA_RACE (5 of 225 remaining) [2023-08-31 21:54:45,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err28ASSERT_VIOLATIONDATA_RACE (4 of 225 remaining) [2023-08-31 21:54:45,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err29ASSERT_VIOLATIONDATA_RACE (3 of 225 remaining) [2023-08-31 21:54:45,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err30ASSERT_VIOLATIONDATA_RACE (2 of 225 remaining) [2023-08-31 21:54:45,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err31ASSERT_VIOLATIONDATA_RACE (1 of 225 remaining) [2023-08-31 21:54:45,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err32ASSERT_VIOLATIONDATA_RACE (0 of 225 remaining) [2023-08-31 21:54:45,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-31 21:54:45,463 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:54:45,469 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:54:45,469 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:54:45,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:54:45 BasicIcfg [2023-08-31 21:54:45,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:54:45,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:54:45,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:54:45,473 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:54:45,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:51:27" (3/4) ... [2023-08-31 21:54:45,476 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:54:45,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:54:45,480 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:54:45,480 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:54:45,487 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2023-08-31 21:54:45,488 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:54:45,489 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:54:45,489 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:54:45,553 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:54:45,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:54:45,554 INFO L158 Benchmark]: Toolchain (without parser) took 200577.67ms. Allocated memory was 65.0MB in the beginning and 15.9GB in the end (delta: 15.8GB). Free memory was 41.7MB in the beginning and 8.4GB in the end (delta: -8.3GB). Peak memory consumption was 7.5GB. Max. memory is 16.1GB. [2023-08-31 21:54:45,554 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:54:45,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.96ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 41.5MB in the beginning and 65.9MB in the end (delta: -24.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-31 21:54:45,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.51ms. Allocated memory is still 88.1MB. Free memory was 65.9MB in the beginning and 60.1MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:54:45,555 INFO L158 Benchmark]: Boogie Preprocessor took 100.88ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 54.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-31 21:54:45,555 INFO L158 Benchmark]: RCFGBuilder took 2099.28ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 54.8MB in the beginning and 74.4MB in the end (delta: -19.7MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2023-08-31 21:54:45,556 INFO L158 Benchmark]: TraceAbstraction took 197815.85ms. Allocated memory was 132.1MB in the beginning and 15.9GB in the end (delta: 15.7GB). Free memory was 74.4MB in the beginning and 8.4GB in the end (delta: -8.3GB). Peak memory consumption was 7.7GB. Max. memory is 16.1GB. [2023-08-31 21:54:45,556 INFO L158 Benchmark]: Witness Printer took 80.58ms. Allocated memory is still 15.9GB. Free memory was 8.4GB in the beginning and 8.4GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-31 21:54:45,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.96ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 41.5MB in the beginning and 65.9MB in the end (delta: -24.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.51ms. Allocated memory is still 88.1MB. Free memory was 65.9MB in the beginning and 60.1MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.88ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 54.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2099.28ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 54.8MB in the beginning and 74.4MB in the end (delta: -19.7MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * TraceAbstraction took 197815.85ms. Allocated memory was 132.1MB in the beginning and 15.9GB in the end (delta: 15.7GB). Free memory was 74.4MB in the beginning and 8.4GB in the end (delta: -8.3GB). Peak memory consumption was 7.7GB. Max. memory is 16.1GB. * Witness Printer took 80.58ms. Allocated memory is still 15.9GB. Free memory was 8.4GB in the beginning and 8.4GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78.4s, 734 PlacesBefore, 240 PlacesAfterwards, 764 TransitionsBefore, 245 TransitionsAfterwards, 61610 CoEnabledTransitionPairs, 9 FixpointIterations, 466 TrivialSequentialCompositions, 220 ConcurrentSequentialCompositions, 57 TrivialYvCompositions, 42 ConcurrentYvCompositions, 25 ChoiceCompositions, 810 TotalNumberOfCompositions, 349212 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 83130, independent: 80713, independent conditional: 0, independent unconditional: 80713, dependent: 2417, dependent conditional: 0, dependent unconditional: 2417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 29236, independent: 28978, independent conditional: 0, independent unconditional: 28978, dependent: 258, dependent conditional: 0, dependent unconditional: 258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 83130, independent: 51735, independent conditional: 0, independent unconditional: 51735, dependent: 2159, dependent conditional: 0, dependent unconditional: 2159, unknown: 29236, unknown conditional: 0, unknown unconditional: 29236] , Statistics on independence cache: Total cache size (in pairs): 3534, Positive cache size: 3367, Positive conditional cache size: 0, Positive unconditional cache size: 3367, Negative cache size: 167, Negative conditional cache size: 0, Negative unconditional cache size: 167, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 1032 locations, 225 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 197.5s, OverallIterations: 23, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 113.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 78.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5033 SdHoareTripleChecker+Valid, 15.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3078 mSDsluCounter, 389 SdHoareTripleChecker+Invalid, 13.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 1639 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11394 IncrementalHoareTripleChecker+Invalid, 13033 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1639 mSolverCounterUnsat, 313 mSDtfsCounter, 11394 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=508occurred in iteration=0, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 675 NumberOfCodeBlocks, 675 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 1696 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 11/11 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 130 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:54:45,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE