./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --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-more-queue-add-2-nl.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 c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:43:44,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:43:44,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:43:44,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:43:44,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:43:44,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:43:44,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:43:44,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:43:44,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:43:44,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:43:44,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:43:44,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:43:44,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:43:44,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:43:44,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:43:44,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:43:44,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:43:44,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:43:44,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:43:44,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:43:44,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:43:44,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:43:44,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:43:44,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:43:44,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:43:44,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:43:44,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:43:44,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:43:44,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:43:44,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:43:44,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:43:44,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:43:44,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:43:44,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:43:44,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:43:44,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:43:44,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:43:44,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:43:44,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:43:44,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:43:44,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:43:44,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:43:44,274 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:43:44,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:43:44,289 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:43:44,290 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:43:44,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:43:44,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:43:44,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:43:44,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:43:44,292 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:43:44,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:43:44,293 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:43:44,293 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:43:44,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:43:44,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:43:44,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:43:44,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:43:44,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:43:44,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:43:44,294 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:43:44,295 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:43:44,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:43:44,299 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:43:44,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:43:44,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:43:44,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:43:44,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:43:44,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:43:44,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:43:44,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:43:44,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:43:44,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:43:44,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:43:44,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:43:44,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:43:44,304 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:43:44,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:43:44,304 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:43:44,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:43:44,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:43:44,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:43:44,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:43:44,633 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:43:44,634 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:43:44,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c [2023-08-29 03:43:45,758 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:43:45,997 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:43:45,998 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c [2023-08-29 03:43:46,007 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d76ea05/577d6f05b6a14108a8f12587511576f7/FLAGd9bc60536 [2023-08-29 03:43:46,033 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d76ea05/577d6f05b6a14108a8f12587511576f7 [2023-08-29 03:43:46,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:43:46,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:43:46,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:43:46,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:43:46,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:43:46,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:43:46" (1/1) ... [2023-08-29 03:43:46,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@754c6cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46, skipping insertion in model container [2023-08-29 03:43:46,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:43:46" (1/1) ... [2023-08-29 03:43:46,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:43:46,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:43:46,282 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-more-queue-add-2-nl.wvr.c[2870,2883] [2023-08-29 03:43:46,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:43:46,303 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:43:46,349 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-more-queue-add-2-nl.wvr.c[2870,2883] [2023-08-29 03:43:46,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:43:46,368 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:43:46,368 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:43:46,374 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:43:46,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46 WrapperNode [2023-08-29 03:43:46,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:43:46,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:43:46,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:43:46,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:43:46,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46" (1/1) ... [2023-08-29 03:43:46,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46" (1/1) ... [2023-08-29 03:43:46,447 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 346 [2023-08-29 03:43:46,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:43:46,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:43:46,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:43:46,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:43:46,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46" (1/1) ... [2023-08-29 03:43:46,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46" (1/1) ... [2023-08-29 03:43:46,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46" (1/1) ... [2023-08-29 03:43:46,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46" (1/1) ... [2023-08-29 03:43:46,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46" (1/1) ... [2023-08-29 03:43:46,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46" (1/1) ... [2023-08-29 03:43:46,496 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46" (1/1) ... [2023-08-29 03:43:46,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46" (1/1) ... [2023-08-29 03:43:46,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:43:46,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:43:46,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:43:46,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:43:46,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46" (1/1) ... [2023-08-29 03:43:46,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:43:46,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:43:46,545 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) [2023-08-29 03:43:46,559 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 [2023-08-29 03:43:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:43:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:43:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:43:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:43:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:43:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:43:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:43:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:43:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:43:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 03:43:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 03:43:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:43:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:43:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:43:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:43:46,584 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:43:46,720 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:43:46,722 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:43:47,209 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:43:47,492 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:43:47,498 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 03:43:47,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:43:47 BoogieIcfgContainer [2023-08-29 03:43:47,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:43:47,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:43:47,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:43:47,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:43:47,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:43:46" (1/3) ... [2023-08-29 03:43:47,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6dba25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:43:47, skipping insertion in model container [2023-08-29 03:43:47,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:46" (2/3) ... [2023-08-29 03:43:47,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6dba25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:43:47, skipping insertion in model container [2023-08-29 03:43:47,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:43:47" (3/3) ... [2023-08-29 03:43:47,510 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-2-nl.wvr.c [2023-08-29 03:43:47,519 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:43:47,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:43:47,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2023-08-29 03:43:47,528 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:43:47,649 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:43:47,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 282 places, 287 transitions, 590 flow [2023-08-29 03:43:47,794 INFO L130 PetriNetUnfolder]: 12/285 cut-off events. [2023-08-29 03:43:47,795 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:43:47,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 285 events. 12/285 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 515 event pairs, 0 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 189. Up to 3 conditions per place. [2023-08-29 03:43:47,802 INFO L82 GeneralOperation]: Start removeDead. Operand has 282 places, 287 transitions, 590 flow [2023-08-29 03:43:47,814 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 264 places, 267 transitions, 546 flow [2023-08-29 03:43:47,817 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:43:47,830 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 264 places, 267 transitions, 546 flow [2023-08-29 03:43:47,832 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 264 places, 267 transitions, 546 flow [2023-08-29 03:43:47,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 264 places, 267 transitions, 546 flow [2023-08-29 03:43:47,888 INFO L130 PetriNetUnfolder]: 10/267 cut-off events. [2023-08-29 03:43:47,889 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:43:47,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 267 events. 10/267 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 482 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 189. Up to 3 conditions per place. [2023-08-29 03:43:47,899 INFO L119 LiptonReduction]: Number of co-enabled transitions 8244 [2023-08-29 03:43:55,600 INFO L134 LiptonReduction]: Checked pairs total: 25726 [2023-08-29 03:43:55,601 INFO L136 LiptonReduction]: Total number of compositions: 312 [2023-08-29 03:43:55,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:43:55,619 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;@2dde72ed, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:43:55,619 INFO L358 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2023-08-29 03:43:55,620 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:43:55,621 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:43:55,621 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:43:55,621 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:43:55,622 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE, thread1Err15ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-08-29 03:43:55,626 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:43:55,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1428, now seen corresponding path program 1 times [2023-08-29 03:43:55,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:43:55,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986000370] [2023-08-29 03:43:55,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:55,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:43:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:43:55,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:43:55,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986000370] [2023-08-29 03:43:55,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986000370] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:43:55,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:43:55,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:43:55,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492989687] [2023-08-29 03:43:55,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:43:55,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:43:55,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:43:55,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:43:55,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:43:55,781 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 599 [2023-08-29 03:43:55,787 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 184 flow. Second operand has 2 states, 2 states have (on average 245.5) internal successors, (491), 2 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:55,787 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:43:55,787 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 599 [2023-08-29 03:43:55,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:55,924 INFO L130 PetriNetUnfolder]: 141/309 cut-off events. [2023-08-29 03:43:55,924 INFO L131 PetriNetUnfolder]: For 22/36 co-relation queries the response was YES. [2023-08-29 03:43:55,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 309 events. 141/309 cut-off events. For 22/36 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1238 event pairs, 101 based on Foata normal form. 1/257 useless extension candidates. Maximal degree in co-relation 484. Up to 238 conditions per place. [2023-08-29 03:43:55,927 INFO L137 encePairwiseOnDemand]: 548/599 looper letters, 20 selfloop transitions, 0 changer transitions 1/35 dead transitions. [2023-08-29 03:43:55,927 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 35 transitions, 124 flow [2023-08-29 03:43:55,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:43:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:43:55,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 562 transitions. [2023-08-29 03:43:55,946 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4691151919866444 [2023-08-29 03:43:55,946 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 562 transitions. [2023-08-29 03:43:55,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 562 transitions. [2023-08-29 03:43:55,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:55,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 562 transitions. [2023-08-29 03:43:55,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 281.0) internal successors, (562), 2 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:55,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 599.0) internal successors, (1797), 3 states have internal predecessors, (1797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:55,965 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 599.0) internal successors, (1797), 3 states have internal predecessors, (1797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:55,967 INFO L175 Difference]: Start difference. First operand has 89 places, 86 transitions, 184 flow. Second operand 2 states and 562 transitions. [2023-08-29 03:43:55,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 35 transitions, 124 flow [2023-08-29 03:43:55,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 35 transitions, 116 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:43:55,974 INFO L231 Difference]: Finished difference. Result has 36 places, 34 transitions, 71 flow [2023-08-29 03:43:55,975 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=599, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=71, PETRI_PLACES=36, PETRI_TRANSITIONS=34} [2023-08-29 03:43:55,979 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -53 predicate places. [2023-08-29 03:43:55,981 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 34 transitions, 71 flow [2023-08-29 03:43:55,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 245.5) internal successors, (491), 2 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:55,983 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:43:55,984 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:43:55,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:43:55,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE, thread1Err15ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-08-29 03:43:55,986 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:43:55,986 INFO L85 PathProgramCache]: Analyzing trace with hash 574258219, now seen corresponding path program 1 times [2023-08-29 03:43:55,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:43:55,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637129984] [2023-08-29 03:43:55,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:55,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:43:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:56,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:43:56,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:43:56,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637129984] [2023-08-29 03:43:56,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637129984] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:43:56,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:43:56,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:43:56,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70533147] [2023-08-29 03:43:56,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:43:56,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:43:56,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:43:56,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:43:56,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:43:56,205 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 599 [2023-08-29 03:43:56,206 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 34 transitions, 71 flow. Second operand has 3 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:56,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:43:56,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 599 [2023-08-29 03:43:56,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:56,363 INFO L130 PetriNetUnfolder]: 175/332 cut-off events. [2023-08-29 03:43:56,364 INFO L131 PetriNetUnfolder]: For 5/38 co-relation queries the response was YES. [2023-08-29 03:43:56,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 332 events. 175/332 cut-off events. For 5/38 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1237 event pairs, 32 based on Foata normal form. 1/278 useless extension candidates. Maximal degree in co-relation 633. Up to 244 conditions per place. [2023-08-29 03:43:56,366 INFO L137 encePairwiseOnDemand]: 593/599 looper letters, 27 selfloop transitions, 3 changer transitions 0/41 dead transitions. [2023-08-29 03:43:56,371 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 41 transitions, 146 flow [2023-08-29 03:43:56,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:43:56,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:43:56,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2023-08-29 03:43:56,394 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41068447412353926 [2023-08-29 03:43:56,394 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 738 transitions. [2023-08-29 03:43:56,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 738 transitions. [2023-08-29 03:43:56,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:56,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 738 transitions. [2023-08-29 03:43:56,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:56,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 599.0) internal successors, (2396), 4 states have internal predecessors, (2396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:56,401 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 599.0) internal successors, (2396), 4 states have internal predecessors, (2396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:56,402 INFO L175 Difference]: Start difference. First operand has 36 places, 34 transitions, 71 flow. Second operand 3 states and 738 transitions. [2023-08-29 03:43:56,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 41 transitions, 146 flow [2023-08-29 03:43:56,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 41 transitions, 146 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:43:56,403 INFO L231 Difference]: Finished difference. Result has 35 places, 34 transitions, 86 flow [2023-08-29 03:43:56,403 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=599, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=35, PETRI_TRANSITIONS=34} [2023-08-29 03:43:56,404 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -54 predicate places. [2023-08-29 03:43:56,404 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 34 transitions, 86 flow [2023-08-29 03:43:56,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:56,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:43:56,406 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:43:56,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:43:56,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE, thread1Err15ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-08-29 03:43:56,408 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:43:56,408 INFO L85 PathProgramCache]: Analyzing trace with hash -2037123029, now seen corresponding path program 1 times [2023-08-29 03:43:56,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:43:56,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597447082] [2023-08-29 03:43:56,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:56,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:43:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:43:56,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:43:56,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597447082] [2023-08-29 03:43:56,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597447082] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:43:56,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:43:56,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:43:56,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418306088] [2023-08-29 03:43:56,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:43:56,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:43:56,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:43:56,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:43:56,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:43:56,888 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 599 [2023-08-29 03:43:56,890 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 34 transitions, 86 flow. Second operand has 6 states, 6 states have (on average 233.66666666666666) internal successors, (1402), 6 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:56,890 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:43:56,891 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 599 [2023-08-29 03:43:56,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:57,175 INFO L130 PetriNetUnfolder]: 547/861 cut-off events. [2023-08-29 03:43:57,175 INFO L131 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2023-08-29 03:43:57,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1934 conditions, 861 events. 547/861 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3474 event pairs, 40 based on Foata normal form. 0/735 useless extension candidates. Maximal degree in co-relation 1930. Up to 292 conditions per place. [2023-08-29 03:43:57,180 INFO L137 encePairwiseOnDemand]: 594/599 looper letters, 79 selfloop transitions, 4 changer transitions 0/89 dead transitions. [2023-08-29 03:43:57,180 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 89 transitions, 422 flow [2023-08-29 03:43:57,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:43:57,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:43:57,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1461 transitions. [2023-08-29 03:43:57,184 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4065108514190317 [2023-08-29 03:43:57,184 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1461 transitions. [2023-08-29 03:43:57,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1461 transitions. [2023-08-29 03:43:57,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:57,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1461 transitions. [2023-08-29 03:43:57,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 243.5) internal successors, (1461), 6 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:57,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 599.0) internal successors, (4193), 7 states have internal predecessors, (4193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:57,195 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 599.0) internal successors, (4193), 7 states have internal predecessors, (4193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:57,195 INFO L175 Difference]: Start difference. First operand has 35 places, 34 transitions, 86 flow. Second operand 6 states and 1461 transitions. [2023-08-29 03:43:57,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 89 transitions, 422 flow [2023-08-29 03:43:57,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 89 transitions, 422 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:43:57,198 INFO L231 Difference]: Finished difference. Result has 39 places, 33 transitions, 92 flow [2023-08-29 03:43:57,198 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=599, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=92, PETRI_PLACES=39, PETRI_TRANSITIONS=33} [2023-08-29 03:43:57,199 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -50 predicate places. [2023-08-29 03:43:57,199 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 33 transitions, 92 flow [2023-08-29 03:43:57,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.66666666666666) internal successors, (1402), 6 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:57,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:43:57,200 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] [2023-08-29 03:43:57,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:43:57,201 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE, thread1Err15ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-08-29 03:43:57,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:43:57,201 INFO L85 PathProgramCache]: Analyzing trace with hash -701700102, now seen corresponding path program 1 times [2023-08-29 03:43:57,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:43:57,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333686048] [2023-08-29 03:43:57,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:57,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:43:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:57,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:43:57,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:43:57,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333686048] [2023-08-29 03:43:57,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333686048] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:43:57,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:43:57,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 03:43:57,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266613873] [2023-08-29 03:43:57,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:43:57,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 03:43:57,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:43:57,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 03:43:57,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 03:43:57,347 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 599 [2023-08-29 03:43:57,348 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 33 transitions, 92 flow. Second operand has 4 states, 4 states have (on average 241.75) internal successors, (967), 4 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:57,348 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:43:57,349 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 599 [2023-08-29 03:43:57,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:57,442 INFO L130 PetriNetUnfolder]: 176/351 cut-off events. [2023-08-29 03:43:57,442 INFO L131 PetriNetUnfolder]: For 69/83 co-relation queries the response was YES. [2023-08-29 03:43:57,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 351 events. 176/351 cut-off events. For 69/83 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1344 event pairs, 115 based on Foata normal form. 8/305 useless extension candidates. Maximal degree in co-relation 810. Up to 292 conditions per place. [2023-08-29 03:43:57,444 INFO L137 encePairwiseOnDemand]: 593/599 looper letters, 22 selfloop transitions, 2 changer transitions 6/40 dead transitions. [2023-08-29 03:43:57,444 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 40 transitions, 170 flow [2023-08-29 03:43:57,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 03:43:57,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 03:43:57,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 986 transitions. [2023-08-29 03:43:57,448 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41151919866444076 [2023-08-29 03:43:57,448 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 986 transitions. [2023-08-29 03:43:57,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 986 transitions. [2023-08-29 03:43:57,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:57,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 986 transitions. [2023-08-29 03:43:57,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 246.5) internal successors, (986), 4 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:57,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 599.0) internal successors, (2995), 5 states have internal predecessors, (2995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:57,457 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 599.0) internal successors, (2995), 5 states have internal predecessors, (2995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:57,457 INFO L175 Difference]: Start difference. First operand has 39 places, 33 transitions, 92 flow. Second operand 4 states and 986 transitions. [2023-08-29 03:43:57,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 40 transitions, 170 flow [2023-08-29 03:43:57,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 40 transitions, 161 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:43:57,460 INFO L231 Difference]: Finished difference. Result has 40 places, 34 transitions, 103 flow [2023-08-29 03:43:57,460 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=599, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=103, PETRI_PLACES=40, PETRI_TRANSITIONS=34} [2023-08-29 03:43:57,462 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -49 predicate places. [2023-08-29 03:43:57,462 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 34 transitions, 103 flow [2023-08-29 03:43:57,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 241.75) internal successors, (967), 4 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:57,463 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:43:57,463 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] [2023-08-29 03:43:57,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:43:57,463 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE, thread1Err15ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-08-29 03:43:57,464 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:43:57,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1608025692, now seen corresponding path program 1 times [2023-08-29 03:43:57,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:43:57,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705161656] [2023-08-29 03:43:57,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:57,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:43:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:43:57,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:43:57,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705161656] [2023-08-29 03:43:57,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705161656] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:43:57,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:43:57,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:43:57,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980778041] [2023-08-29 03:43:57,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:43:57,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:43:57,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:43:57,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:43:57,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:43:57,928 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 599 [2023-08-29 03:43:57,930 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 103 flow. Second operand has 6 states, 6 states have (on average 234.66666666666666) internal successors, (1408), 6 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:57,930 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:43:57,930 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 599 [2023-08-29 03:43:57,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:58,092 INFO L130 PetriNetUnfolder]: 195/353 cut-off events. [2023-08-29 03:43:58,092 INFO L131 PetriNetUnfolder]: For 58/72 co-relation queries the response was YES. [2023-08-29 03:43:58,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 882 conditions, 353 events. 195/353 cut-off events. For 58/72 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1261 event pairs, 110 based on Foata normal form. 0/301 useless extension candidates. Maximal degree in co-relation 875. Up to 283 conditions per place. [2023-08-29 03:43:58,094 INFO L137 encePairwiseOnDemand]: 594/599 looper letters, 0 selfloop transitions, 0 changer transitions 53/53 dead transitions. [2023-08-29 03:43:58,094 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 53 transitions, 253 flow [2023-08-29 03:43:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:43:58,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:43:58,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1437 transitions. [2023-08-29 03:43:58,098 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3998330550918197 [2023-08-29 03:43:58,098 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1437 transitions. [2023-08-29 03:43:58,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1437 transitions. [2023-08-29 03:43:58,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:58,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1437 transitions. [2023-08-29 03:43:58,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 239.5) internal successors, (1437), 6 states have internal predecessors, (1437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:58,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 599.0) internal successors, (4193), 7 states have internal predecessors, (4193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:58,108 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 599.0) internal successors, (4193), 7 states have internal predecessors, (4193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:58,108 INFO L175 Difference]: Start difference. First operand has 40 places, 34 transitions, 103 flow. Second operand 6 states and 1437 transitions. [2023-08-29 03:43:58,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 53 transitions, 253 flow [2023-08-29 03:43:58,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 53 transitions, 249 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 03:43:58,110 INFO L231 Difference]: Finished difference. Result has 42 places, 0 transitions, 0 flow [2023-08-29 03:43:58,110 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=599, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=42, PETRI_TRANSITIONS=0} [2023-08-29 03:43:58,111 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -47 predicate places. [2023-08-29 03:43:58,111 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 0 transitions, 0 flow [2023-08-29 03:43:58,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 234.66666666666666) internal successors, (1408), 6 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:43:58,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (95 of 96 remaining) [2023-08-29 03:43:58,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (94 of 96 remaining) [2023-08-29 03:43:58,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (93 of 96 remaining) [2023-08-29 03:43:58,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (92 of 96 remaining) [2023-08-29 03:43:58,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (91 of 96 remaining) [2023-08-29 03:43:58,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (90 of 96 remaining) [2023-08-29 03:43:58,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (89 of 96 remaining) [2023-08-29 03:43:58,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (88 of 96 remaining) [2023-08-29 03:43:58,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (87 of 96 remaining) [2023-08-29 03:43:58,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (86 of 96 remaining) [2023-08-29 03:43:58,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (85 of 96 remaining) [2023-08-29 03:43:58,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (84 of 96 remaining) [2023-08-29 03:43:58,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (83 of 96 remaining) [2023-08-29 03:43:58,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (82 of 96 remaining) [2023-08-29 03:43:58,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (81 of 96 remaining) [2023-08-29 03:43:58,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (80 of 96 remaining) [2023-08-29 03:43:58,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (79 of 96 remaining) [2023-08-29 03:43:58,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (78 of 96 remaining) [2023-08-29 03:43:58,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (77 of 96 remaining) [2023-08-29 03:43:58,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (76 of 96 remaining) [2023-08-29 03:43:58,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (75 of 96 remaining) [2023-08-29 03:43:58,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (74 of 96 remaining) [2023-08-29 03:43:58,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (73 of 96 remaining) [2023-08-29 03:43:58,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (72 of 96 remaining) [2023-08-29 03:43:58,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (71 of 96 remaining) [2023-08-29 03:43:58,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (70 of 96 remaining) [2023-08-29 03:43:58,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (69 of 96 remaining) [2023-08-29 03:43:58,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (68 of 96 remaining) [2023-08-29 03:43:58,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (67 of 96 remaining) [2023-08-29 03:43:58,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (66 of 96 remaining) [2023-08-29 03:43:58,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 96 remaining) [2023-08-29 03:43:58,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (64 of 96 remaining) [2023-08-29 03:43:58,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (63 of 96 remaining) [2023-08-29 03:43:58,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (62 of 96 remaining) [2023-08-29 03:43:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (61 of 96 remaining) [2023-08-29 03:43:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (60 of 96 remaining) [2023-08-29 03:43:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (59 of 96 remaining) [2023-08-29 03:43:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (58 of 96 remaining) [2023-08-29 03:43:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (57 of 96 remaining) [2023-08-29 03:43:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (56 of 96 remaining) [2023-08-29 03:43:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (55 of 96 remaining) [2023-08-29 03:43:58,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (54 of 96 remaining) [2023-08-29 03:43:58,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 96 remaining) [2023-08-29 03:43:58,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 96 remaining) [2023-08-29 03:43:58,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (51 of 96 remaining) [2023-08-29 03:43:58,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (50 of 96 remaining) [2023-08-29 03:43:58,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 96 remaining) [2023-08-29 03:43:58,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 96 remaining) [2023-08-29 03:43:58,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (47 of 96 remaining) [2023-08-29 03:43:58,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 96 remaining) [2023-08-29 03:43:58,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (45 of 96 remaining) [2023-08-29 03:43:58,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (44 of 96 remaining) [2023-08-29 03:43:58,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (43 of 96 remaining) [2023-08-29 03:43:58,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (42 of 96 remaining) [2023-08-29 03:43:58,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (41 of 96 remaining) [2023-08-29 03:43:58,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 96 remaining) [2023-08-29 03:43:58,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 96 remaining) [2023-08-29 03:43:58,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (38 of 96 remaining) [2023-08-29 03:43:58,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (37 of 96 remaining) [2023-08-29 03:43:58,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (36 of 96 remaining) [2023-08-29 03:43:58,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (35 of 96 remaining) [2023-08-29 03:43:58,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (34 of 96 remaining) [2023-08-29 03:43:58,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (33 of 96 remaining) [2023-08-29 03:43:58,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (32 of 96 remaining) [2023-08-29 03:43:58,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (31 of 96 remaining) [2023-08-29 03:43:58,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 96 remaining) [2023-08-29 03:43:58,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (29 of 96 remaining) [2023-08-29 03:43:58,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 96 remaining) [2023-08-29 03:43:58,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 96 remaining) [2023-08-29 03:43:58,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 96 remaining) [2023-08-29 03:43:58,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 96 remaining) [2023-08-29 03:43:58,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 96 remaining) [2023-08-29 03:43:58,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 96 remaining) [2023-08-29 03:43:58,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 96 remaining) [2023-08-29 03:43:58,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (21 of 96 remaining) [2023-08-29 03:43:58,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (20 of 96 remaining) [2023-08-29 03:43:58,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (19 of 96 remaining) [2023-08-29 03:43:58,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (18 of 96 remaining) [2023-08-29 03:43:58,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (17 of 96 remaining) [2023-08-29 03:43:58,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (16 of 96 remaining) [2023-08-29 03:43:58,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 96 remaining) [2023-08-29 03:43:58,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 96 remaining) [2023-08-29 03:43:58,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 96 remaining) [2023-08-29 03:43:58,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 96 remaining) [2023-08-29 03:43:58,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (11 of 96 remaining) [2023-08-29 03:43:58,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (10 of 96 remaining) [2023-08-29 03:43:58,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (9 of 96 remaining) [2023-08-29 03:43:58,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 96 remaining) [2023-08-29 03:43:58,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (7 of 96 remaining) [2023-08-29 03:43:58,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (6 of 96 remaining) [2023-08-29 03:43:58,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 96 remaining) [2023-08-29 03:43:58,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 96 remaining) [2023-08-29 03:43:58,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (3 of 96 remaining) [2023-08-29 03:43:58,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (2 of 96 remaining) [2023-08-29 03:43:58,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (1 of 96 remaining) [2023-08-29 03:43:58,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (0 of 96 remaining) [2023-08-29 03:43:58,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:43:58,164 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-29 03:43:58,169 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:43:58,170 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:43:58,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:43:58 BasicIcfg [2023-08-29 03:43:58,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:43:58,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:43:58,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:43:58,175 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:43:58,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:43:47" (3/4) ... [2023-08-29 03:43:58,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:43:58,181 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:43:58,182 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:43:58,186 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-08-29 03:43:58,186 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:43:58,187 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:43:58,187 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:43:58,237 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:43:58,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:43:58,238 INFO L158 Benchmark]: Toolchain (without parser) took 12199.32ms. Allocated memory was 73.4MB in the beginning and 157.3MB in the end (delta: 83.9MB). Free memory was 50.6MB in the beginning and 115.9MB in the end (delta: -65.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-08-29 03:43:58,238 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 51.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:43:58,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.90ms. Allocated memory is still 73.4MB. Free memory was 50.4MB in the beginning and 37.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:43:58,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.18ms. Allocated memory is still 73.4MB. Free memory was 37.7MB in the beginning and 34.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:43:58,239 INFO L158 Benchmark]: Boogie Preprocessor took 51.42ms. Allocated memory is still 73.4MB. Free memory was 34.8MB in the beginning and 32.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:43:58,239 INFO L158 Benchmark]: RCFGBuilder took 1000.53ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 32.3MB in the beginning and 63.0MB in the end (delta: -30.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-08-29 03:43:58,239 INFO L158 Benchmark]: TraceAbstraction took 10670.57ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 62.4MB in the beginning and 120.1MB in the end (delta: -57.6MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. [2023-08-29 03:43:58,240 INFO L158 Benchmark]: Witness Printer took 62.69ms. Allocated memory is still 157.3MB. Free memory was 120.1MB in the beginning and 115.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:43:58,244 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 51.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.90ms. Allocated memory is still 73.4MB. Free memory was 50.4MB in the beginning and 37.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.18ms. Allocated memory is still 73.4MB. Free memory was 37.7MB in the beginning and 34.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.42ms. Allocated memory is still 73.4MB. Free memory was 34.8MB in the beginning and 32.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.53ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 32.3MB in the beginning and 63.0MB in the end (delta: -30.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10670.57ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 62.4MB in the beginning and 120.1MB in the end (delta: -57.6MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. * Witness Printer took 62.69ms. Allocated memory is still 157.3MB. Free memory was 120.1MB in the beginning and 115.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.8s, 264 PlacesBefore, 89 PlacesAfterwards, 267 TransitionsBefore, 86 TransitionsAfterwards, 8244 CoEnabledTransitionPairs, 9 FixpointIterations, 164 TrivialSequentialCompositions, 123 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 4 ConcurrentYvCompositions, 6 ChoiceCompositions, 312 TotalNumberOfCompositions, 25726 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12034, independent: 11589, independent conditional: 0, independent unconditional: 11589, dependent: 445, dependent conditional: 0, dependent unconditional: 445, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4180, independent: 4098, independent conditional: 0, independent unconditional: 4098, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12034, independent: 7491, independent conditional: 0, independent unconditional: 7491, dependent: 363, dependent conditional: 0, dependent unconditional: 363, unknown: 4180, unknown conditional: 0, unknown unconditional: 4180] , Statistics on independence cache: Total cache size (in pairs): 454, Positive cache size: 418, Positive conditional cache size: 0, Positive unconditional cache size: 418, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 62]: 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: 62]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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: 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: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: 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: 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: 116]: 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: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 375 locations, 96 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: 10.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 281 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 656 IncrementalHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 12 mSDtfsCounter, 656 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 55 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:43:58,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE