./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-atomic/lamport.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-atomic/lamport.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.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 c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 11:27:12,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 11:27:12,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 11:27:12,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 11:27:12,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 11:27:12,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 11:27:12,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 11:27:12,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 11:27:12,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 11:27:12,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 11:27:12,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 11:27:12,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 11:27:12,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 11:27:12,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 11:27:12,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 11:27:12,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 11:27:12,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 11:27:12,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 11:27:12,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 11:27:12,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 11:27:12,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 11:27:12,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 11:27:12,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 11:27:12,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 11:27:12,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 11:27:12,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 11:27:12,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 11:27:12,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 11:27:12,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 11:27:12,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 11:27:12,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 11:27:12,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 11:27:12,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 11:27:12,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 11:27:12,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 11:27:12,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 11:27:12,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 11:27:12,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 11:27:12,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 11:27:12,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 11:27:12,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 11:27:12,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 11:27:12,285 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 11:27:12,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 11:27:12,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 11:27:12,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 11:27:12,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 11:27:12,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 11:27:12,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 11:27:12,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 11:27:12,288 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 11:27:12,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 11:27:12,289 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 11:27:12,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 11:27:12,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 11:27:12,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 11:27:12,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 11:27:12,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 11:27:12,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 11:27:12,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 11:27:12,290 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 11:27:12,290 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 11:27:12,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 11:27:12,290 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 11:27:12,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 11:27:12,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 11:27:12,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 11:27:12,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 11:27:12,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 11:27:12,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 11:27:12,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 11:27:12,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 11:27:12,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 11:27:12,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 11:27:12,292 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 11:27:12,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 11:27:12,292 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 11:27:12,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 11:27:12,292 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 11:27:12,293 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 11:27:12,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 11:27:12,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 11:27:12,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 11:27:12,512 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 11:27:12,512 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 11:27:12,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2023-08-31 11:27:13,337 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 11:27:13,542 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 11:27:13,543 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2023-08-31 11:27:13,553 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/004a86aa9/2e4264d2bcbe465eb77dedd03d1a71af/FLAGce182d462 [2023-08-31 11:27:13,562 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/004a86aa9/2e4264d2bcbe465eb77dedd03d1a71af [2023-08-31 11:27:13,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 11:27:13,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 11:27:13,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 11:27:13,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 11:27:13,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 11:27:13,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 11:27:13" (1/1) ... [2023-08-31 11:27:13,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c73fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13, skipping insertion in model container [2023-08-31 11:27:13,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 11:27:13" (1/1) ... [2023-08-31 11:27:13,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 11:27:13,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 11:27:13,750 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-31 11:27:13,868 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2023-08-31 11:27:13,874 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2023-08-31 11:27:13,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 11:27:13,891 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 11:27:13,906 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-31 11:27:13,933 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2023-08-31 11:27:13,941 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2023-08-31 11:27:13,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 11:27:13,972 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 11:27:13,973 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 11:27:13,973 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 11:27:13,977 INFO L208 MainTranslator]: Completed translation [2023-08-31 11:27:13,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13 WrapperNode [2023-08-31 11:27:13,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 11:27:13,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 11:27:13,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 11:27:13,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 11:27:13,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13" (1/1) ... [2023-08-31 11:27:14,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13" (1/1) ... [2023-08-31 11:27:14,024 INFO L138 Inliner]: procedures = 171, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-08-31 11:27:14,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 11:27:14,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 11:27:14,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 11:27:14,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 11:27:14,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13" (1/1) ... [2023-08-31 11:27:14,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13" (1/1) ... [2023-08-31 11:27:14,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13" (1/1) ... [2023-08-31 11:27:14,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13" (1/1) ... [2023-08-31 11:27:14,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13" (1/1) ... [2023-08-31 11:27:14,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13" (1/1) ... [2023-08-31 11:27:14,063 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13" (1/1) ... [2023-08-31 11:27:14,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13" (1/1) ... [2023-08-31 11:27:14,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 11:27:14,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 11:27:14,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 11:27:14,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 11:27:14,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13" (1/1) ... [2023-08-31 11:27:14,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 11:27:14,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 11:27:14,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 11:27:14,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 11:27:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 11:27:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-08-31 11:27:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-08-31 11:27:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-31 11:27:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-31 11:27:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 11:27:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 11:27:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 11:27:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 11:27:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 11:27:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 11:27:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 11:27:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 11:27:14,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 11:27:14,128 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 11:27:14,254 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 11:27:14,255 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 11:27:14,538 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 11:27:14,603 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 11:27:14,603 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-08-31 11:27:14,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 11:27:14 BoogieIcfgContainer [2023-08-31 11:27:14,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 11:27:14,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 11:27:14,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 11:27:14,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 11:27:14,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 11:27:13" (1/3) ... [2023-08-31 11:27:14,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26553c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 11:27:14, skipping insertion in model container [2023-08-31 11:27:14,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:27:13" (2/3) ... [2023-08-31 11:27:14,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26553c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 11:27:14, skipping insertion in model container [2023-08-31 11:27:14,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 11:27:14" (3/3) ... [2023-08-31 11:27:14,611 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2023-08-31 11:27:14,615 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 11:27:14,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 11:27:14,621 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-08-31 11:27:14,621 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 11:27:14,662 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 11:27:14,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 187 transitions, 390 flow [2023-08-31 11:27:14,729 INFO L130 PetriNetUnfolder]: 24/185 cut-off events. [2023-08-31 11:27:14,729 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 11:27:14,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 185 events. 24/185 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 561 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 151. Up to 5 conditions per place. [2023-08-31 11:27:14,740 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 187 transitions, 390 flow [2023-08-31 11:27:14,744 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 159 places, 176 transitions, 361 flow [2023-08-31 11:27:14,746 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 11:27:14,751 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 176 transitions, 361 flow [2023-08-31 11:27:14,753 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 176 transitions, 361 flow [2023-08-31 11:27:14,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 159 places, 176 transitions, 361 flow [2023-08-31 11:27:14,774 INFO L130 PetriNetUnfolder]: 24/176 cut-off events. [2023-08-31 11:27:14,774 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-31 11:27:14,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 176 events. 24/176 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 562 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 151. Up to 5 conditions per place. [2023-08-31 11:27:14,780 INFO L119 LiptonReduction]: Number of co-enabled transitions 13068 [2023-08-31 11:27:16,644 INFO L134 LiptonReduction]: Checked pairs total: 48898 [2023-08-31 11:27:16,645 INFO L136 LiptonReduction]: Total number of compositions: 104 [2023-08-31 11:27:16,653 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 11:27:16,657 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;@214ded12, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 11:27:16,657 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2023-08-31 11:27:16,659 INFO L130 PetriNetUnfolder]: 1/6 cut-off events. [2023-08-31 11:27:16,659 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 11:27:16,660 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:27:16,660 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-31 11:27:16,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-31 11:27:16,663 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:27:16,663 INFO L85 PathProgramCache]: Analyzing trace with hash 29414986, now seen corresponding path program 1 times [2023-08-31 11:27:16,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:27:16,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648871073] [2023-08-31 11:27:16,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:27:16,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:27:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:27:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:27:16,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:27:16,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648871073] [2023-08-31 11:27:16,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648871073] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:27:16,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:27:16,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-31 11:27:16,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873635433] [2023-08-31 11:27:16,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:27:16,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 11:27:16,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:27:16,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 11:27:16,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 11:27:16,797 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 291 [2023-08-31 11:27:16,799 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 106 transitions, 221 flow. Second operand has 2 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:16,799 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:27:16,799 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 291 [2023-08-31 11:27:16,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:27:17,059 INFO L130 PetriNetUnfolder]: 1917/3168 cut-off events. [2023-08-31 11:27:17,059 INFO L131 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2023-08-31 11:27:17,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6128 conditions, 3168 events. 1917/3168 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 15802 event pairs, 1383 based on Foata normal form. 0/2496 useless extension candidates. Maximal degree in co-relation 5904. Up to 2891 conditions per place. [2023-08-31 11:27:17,075 INFO L137 encePairwiseOnDemand]: 253/291 looper letters, 59 selfloop transitions, 0 changer transitions 0/68 dead transitions. [2023-08-31 11:27:17,075 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 68 transitions, 263 flow [2023-08-31 11:27:17,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 11:27:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 11:27:17,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 311 transitions. [2023-08-31 11:27:17,087 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5343642611683849 [2023-08-31 11:27:17,088 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 311 transitions. [2023-08-31 11:27:17,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 311 transitions. [2023-08-31 11:27:17,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:27:17,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 311 transitions. [2023-08-31 11:27:17,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 155.5) internal successors, (311), 2 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 291.0) internal successors, (873), 3 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,098 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 291.0) internal successors, (873), 3 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,099 INFO L175 Difference]: Start difference. First operand has 97 places, 106 transitions, 221 flow. Second operand 2 states and 311 transitions. [2023-08-31 11:27:17,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 68 transitions, 263 flow [2023-08-31 11:27:17,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 68 transitions, 258 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-31 11:27:17,105 INFO L231 Difference]: Finished difference. Result has 61 places, 68 transitions, 140 flow [2023-08-31 11:27:17,108 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=140, PETRI_PLACES=61, PETRI_TRANSITIONS=68} [2023-08-31 11:27:17,111 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -36 predicate places. [2023-08-31 11:27:17,111 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 68 transitions, 140 flow [2023-08-31 11:27:17,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,112 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:27:17,112 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 11:27:17,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 11:27:17,113 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-31 11:27:17,114 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:27:17,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1775165835, now seen corresponding path program 1 times [2023-08-31 11:27:17,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:27:17,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523997345] [2023-08-31 11:27:17,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:27:17,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:27:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:27:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:27:17,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:27:17,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523997345] [2023-08-31 11:27:17,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523997345] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:27:17,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:27:17,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 11:27:17,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317734750] [2023-08-31 11:27:17,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:27:17,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 11:27:17,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:27:17,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 11:27:17,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 11:27:17,229 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 291 [2023-08-31 11:27:17,229 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 68 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,229 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:27:17,229 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 291 [2023-08-31 11:27:17,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:27:17,449 INFO L130 PetriNetUnfolder]: 2030/3317 cut-off events. [2023-08-31 11:27:17,449 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 11:27:17,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6446 conditions, 3317 events. 2030/3317 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 16404 event pairs, 1338 based on Foata normal form. 0/2647 useless extension candidates. Maximal degree in co-relation 6443. Up to 2836 conditions per place. [2023-08-31 11:27:17,459 INFO L137 encePairwiseOnDemand]: 285/291 looper letters, 87 selfloop transitions, 5 changer transitions 0/99 dead transitions. [2023-08-31 11:27:17,459 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 99 transitions, 388 flow [2023-08-31 11:27:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 11:27:17,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 11:27:17,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2023-08-31 11:27:17,461 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44673539518900346 [2023-08-31 11:27:17,461 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 390 transitions. [2023-08-31 11:27:17,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 390 transitions. [2023-08-31 11:27:17,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:27:17,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 390 transitions. [2023-08-31 11:27:17,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,464 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,464 INFO L175 Difference]: Start difference. First operand has 61 places, 68 transitions, 140 flow. Second operand 3 states and 390 transitions. [2023-08-31 11:27:17,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 99 transitions, 388 flow [2023-08-31 11:27:17,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 99 transitions, 388 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 11:27:17,466 INFO L231 Difference]: Finished difference. Result has 65 places, 72 transitions, 178 flow [2023-08-31 11:27:17,466 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=65, PETRI_TRANSITIONS=72} [2023-08-31 11:27:17,467 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -32 predicate places. [2023-08-31 11:27:17,467 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 72 transitions, 178 flow [2023-08-31 11:27:17,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,467 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:27:17,468 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 11:27:17,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 11:27:17,468 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-31 11:27:17,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:27:17,468 INFO L85 PathProgramCache]: Analyzing trace with hash -625107820, now seen corresponding path program 1 times [2023-08-31 11:27:17,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:27:17,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873628338] [2023-08-31 11:27:17,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:27:17,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:27:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:27:17,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:27:17,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:27:17,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873628338] [2023-08-31 11:27:17,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873628338] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:27:17,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:27:17,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 11:27:17,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928964943] [2023-08-31 11:27:17,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:27:17,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 11:27:17,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:27:17,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 11:27:17,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 11:27:17,528 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 291 [2023-08-31 11:27:17,528 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 72 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:27:17,529 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 291 [2023-08-31 11:27:17,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:27:17,744 INFO L130 PetriNetUnfolder]: 2070/3353 cut-off events. [2023-08-31 11:27:17,744 INFO L131 PetriNetUnfolder]: For 259/281 co-relation queries the response was YES. [2023-08-31 11:27:17,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6936 conditions, 3353 events. 2070/3353 cut-off events. For 259/281 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 16338 event pairs, 1351 based on Foata normal form. 0/2707 useless extension candidates. Maximal degree in co-relation 6931. Up to 2895 conditions per place. [2023-08-31 11:27:17,754 INFO L137 encePairwiseOnDemand]: 285/291 looper letters, 89 selfloop transitions, 8 changer transitions 0/105 dead transitions. [2023-08-31 11:27:17,755 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 105 transitions, 455 flow [2023-08-31 11:27:17,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 11:27:17,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 11:27:17,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2023-08-31 11:27:17,756 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44673539518900346 [2023-08-31 11:27:17,756 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 390 transitions. [2023-08-31 11:27:17,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 390 transitions. [2023-08-31 11:27:17,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:27:17,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 390 transitions. [2023-08-31 11:27:17,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,760 INFO L175 Difference]: Start difference. First operand has 65 places, 72 transitions, 178 flow. Second operand 3 states and 390 transitions. [2023-08-31 11:27:17,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 105 transitions, 455 flow [2023-08-31 11:27:17,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 105 transitions, 439 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 11:27:17,766 INFO L231 Difference]: Finished difference. Result has 67 places, 78 transitions, 236 flow [2023-08-31 11:27:17,766 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=67, PETRI_TRANSITIONS=78} [2023-08-31 11:27:17,767 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -30 predicate places. [2023-08-31 11:27:17,767 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 78 transitions, 236 flow [2023-08-31 11:27:17,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,767 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:27:17,767 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 11:27:17,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 11:27:17,768 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-31 11:27:17,768 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:27:17,768 INFO L85 PathProgramCache]: Analyzing trace with hash -832323485, now seen corresponding path program 1 times [2023-08-31 11:27:17,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:27:17,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430849793] [2023-08-31 11:27:17,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:27:17,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:27:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:27:17,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:27:17,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:27:17,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430849793] [2023-08-31 11:27:17,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430849793] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:27:17,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:27:17,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 11:27:17,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011342387] [2023-08-31 11:27:17,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:27:17,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 11:27:17,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:27:17,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 11:27:17,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 11:27:17,821 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 291 [2023-08-31 11:27:17,821 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 78 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:17,821 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:27:17,821 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 291 [2023-08-31 11:27:17,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:27:18,137 INFO L130 PetriNetUnfolder]: 2186/3483 cut-off events. [2023-08-31 11:27:18,137 INFO L131 PetriNetUnfolder]: For 860/928 co-relation queries the response was YES. [2023-08-31 11:27:18,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7701 conditions, 3483 events. 2186/3483 cut-off events. For 860/928 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 16418 event pairs, 946 based on Foata normal form. 14/2911 useless extension candidates. Maximal degree in co-relation 7695. Up to 1986 conditions per place. [2023-08-31 11:27:18,147 INFO L137 encePairwiseOnDemand]: 283/291 looper letters, 108 selfloop transitions, 8 changer transitions 14/137 dead transitions. [2023-08-31 11:27:18,147 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 137 transitions, 637 flow [2023-08-31 11:27:18,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 11:27:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 11:27:18,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2023-08-31 11:27:18,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4822451317296678 [2023-08-31 11:27:18,148 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 421 transitions. [2023-08-31 11:27:18,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 421 transitions. [2023-08-31 11:27:18,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:27:18,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 421 transitions. [2023-08-31 11:27:18,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:18,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:18,151 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:18,151 INFO L175 Difference]: Start difference. First operand has 67 places, 78 transitions, 236 flow. Second operand 3 states and 421 transitions. [2023-08-31 11:27:18,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 137 transitions, 637 flow [2023-08-31 11:27:18,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 137 transitions, 617 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 11:27:18,157 INFO L231 Difference]: Finished difference. Result has 69 places, 78 transitions, 264 flow [2023-08-31 11:27:18,157 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=69, PETRI_TRANSITIONS=78} [2023-08-31 11:27:18,158 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -28 predicate places. [2023-08-31 11:27:18,158 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 78 transitions, 264 flow [2023-08-31 11:27:18,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:18,159 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:27:18,159 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 11:27:18,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 11:27:18,159 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-31 11:27:18,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:27:18,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1482410328, now seen corresponding path program 1 times [2023-08-31 11:27:18,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:27:18,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673447443] [2023-08-31 11:27:18,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:27:18,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:27:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:27:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:27:18,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:27:18,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673447443] [2023-08-31 11:27:18,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673447443] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:27:18,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:27:18,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 11:27:18,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483985236] [2023-08-31 11:27:18,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:27:18,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 11:27:18,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:27:18,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 11:27:18,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 11:27:18,210 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 291 [2023-08-31 11:27:18,211 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 78 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:18,211 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:27:18,211 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 291 [2023-08-31 11:27:18,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:27:18,478 INFO L130 PetriNetUnfolder]: 2764/4551 cut-off events. [2023-08-31 11:27:18,478 INFO L131 PetriNetUnfolder]: For 2588/2670 co-relation queries the response was YES. [2023-08-31 11:27:18,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10534 conditions, 4551 events. 2764/4551 cut-off events. For 2588/2670 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 25154 event pairs, 957 based on Foata normal form. 0/3823 useless extension candidates. Maximal degree in co-relation 10527. Up to 2945 conditions per place. [2023-08-31 11:27:18,495 INFO L137 encePairwiseOnDemand]: 284/291 looper letters, 91 selfloop transitions, 4 changer transitions 19/125 dead transitions. [2023-08-31 11:27:18,495 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 125 transitions, 672 flow [2023-08-31 11:27:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 11:27:18,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 11:27:18,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2023-08-31 11:27:18,497 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47995418098510884 [2023-08-31 11:27:18,497 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 419 transitions. [2023-08-31 11:27:18,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 419 transitions. [2023-08-31 11:27:18,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:27:18,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 419 transitions. [2023-08-31 11:27:18,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:18,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:18,500 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:18,500 INFO L175 Difference]: Start difference. First operand has 69 places, 78 transitions, 264 flow. Second operand 3 states and 419 transitions. [2023-08-31 11:27:18,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 125 transitions, 672 flow [2023-08-31 11:27:18,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 125 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 11:27:18,506 INFO L231 Difference]: Finished difference. Result has 70 places, 81 transitions, 278 flow [2023-08-31 11:27:18,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=70, PETRI_TRANSITIONS=81} [2023-08-31 11:27:18,508 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -27 predicate places. [2023-08-31 11:27:18,508 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 81 transitions, 278 flow [2023-08-31 11:27:18,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:18,508 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:27:18,509 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 11:27:18,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 11:27:18,509 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-31 11:27:18,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:27:18,509 INFO L85 PathProgramCache]: Analyzing trace with hash -198644322, now seen corresponding path program 2 times [2023-08-31 11:27:18,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:27:18,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800009398] [2023-08-31 11:27:18,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:27:18,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:27:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:27:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:27:18,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:27:18,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800009398] [2023-08-31 11:27:18,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800009398] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:27:18,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:27:18,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 11:27:18,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67940140] [2023-08-31 11:27:18,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:27:18,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 11:27:18,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:27:18,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 11:27:18,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 11:27:18,577 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 291 [2023-08-31 11:27:18,578 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 81 transitions, 278 flow. Second operand has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:18,578 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:27:18,578 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 291 [2023-08-31 11:27:18,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:27:19,237 INFO L130 PetriNetUnfolder]: 6318/10523 cut-off events. [2023-08-31 11:27:19,237 INFO L131 PetriNetUnfolder]: For 4729/4925 co-relation queries the response was YES. [2023-08-31 11:27:19,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25069 conditions, 10523 events. 6318/10523 cut-off events. For 4729/4925 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 65616 event pairs, 1505 based on Foata normal form. 60/9389 useless extension candidates. Maximal degree in co-relation 25061. Up to 3877 conditions per place. [2023-08-31 11:27:19,265 INFO L137 encePairwiseOnDemand]: 285/291 looper letters, 203 selfloop transitions, 7 changer transitions 8/229 dead transitions. [2023-08-31 11:27:19,265 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 229 transitions, 1221 flow [2023-08-31 11:27:19,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-31 11:27:19,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-31 11:27:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 711 transitions. [2023-08-31 11:27:19,267 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.488659793814433 [2023-08-31 11:27:19,267 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 711 transitions. [2023-08-31 11:27:19,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 711 transitions. [2023-08-31 11:27:19,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:27:19,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 711 transitions. [2023-08-31 11:27:19,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 142.2) internal successors, (711), 5 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) [2023-08-31 11:27:19,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:19,271 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:19,271 INFO L175 Difference]: Start difference. First operand has 70 places, 81 transitions, 278 flow. Second operand 5 states and 711 transitions. [2023-08-31 11:27:19,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 229 transitions, 1221 flow [2023-08-31 11:27:19,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 229 transitions, 1206 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 11:27:19,277 INFO L231 Difference]: Finished difference. Result has 77 places, 88 transitions, 338 flow [2023-08-31 11:27:19,277 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=338, PETRI_PLACES=77, PETRI_TRANSITIONS=88} [2023-08-31 11:27:19,277 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -20 predicate places. [2023-08-31 11:27:19,277 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 88 transitions, 338 flow [2023-08-31 11:27:19,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:19,278 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:27:19,278 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 11:27:19,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 11:27:19,278 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-31 11:27:19,278 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:27:19,278 INFO L85 PathProgramCache]: Analyzing trace with hash -765321108, now seen corresponding path program 3 times [2023-08-31 11:27:19,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:27:19,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195492613] [2023-08-31 11:27:19,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:27:19,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:27:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:27:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:27:19,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:27:19,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195492613] [2023-08-31 11:27:19,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195492613] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:27:19,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:27:19,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 11:27:19,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627335216] [2023-08-31 11:27:19,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:27:19,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 11:27:19,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:27:19,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 11:27:19,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 11:27:19,316 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 291 [2023-08-31 11:27:19,316 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 88 transitions, 338 flow. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:19,316 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:27:19,316 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 291 [2023-08-31 11:27:19,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:27:19,783 INFO L130 PetriNetUnfolder]: 4078/7203 cut-off events. [2023-08-31 11:27:19,783 INFO L131 PetriNetUnfolder]: For 4173/4313 co-relation queries the response was YES. [2023-08-31 11:27:19,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18242 conditions, 7203 events. 4078/7203 cut-off events. For 4173/4313 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 47308 event pairs, 1590 based on Foata normal form. 80/6777 useless extension candidates. Maximal degree in co-relation 18231. Up to 4302 conditions per place. [2023-08-31 11:27:19,798 INFO L137 encePairwiseOnDemand]: 275/291 looper letters, 83 selfloop transitions, 5 changer transitions 59/158 dead transitions. [2023-08-31 11:27:19,798 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 158 transitions, 893 flow [2023-08-31 11:27:19,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-31 11:27:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-31 11:27:19,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 640 transitions. [2023-08-31 11:27:19,800 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43986254295532645 [2023-08-31 11:27:19,800 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 640 transitions. [2023-08-31 11:27:19,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 640 transitions. [2023-08-31 11:27:19,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:27:19,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 640 transitions. [2023-08-31 11:27:19,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 128.0) internal successors, (640), 5 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:19,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:19,804 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:19,804 INFO L175 Difference]: Start difference. First operand has 77 places, 88 transitions, 338 flow. Second operand 5 states and 640 transitions. [2023-08-31 11:27:19,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 158 transitions, 893 flow [2023-08-31 11:27:19,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 158 transitions, 893 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 11:27:19,808 INFO L231 Difference]: Finished difference. Result has 85 places, 77 transitions, 348 flow [2023-08-31 11:27:19,808 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=348, PETRI_PLACES=85, PETRI_TRANSITIONS=77} [2023-08-31 11:27:19,809 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -12 predicate places. [2023-08-31 11:27:19,809 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 77 transitions, 348 flow [2023-08-31 11:27:19,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:19,809 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:27:19,809 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 11:27:19,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 11:27:19,810 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-31 11:27:19,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:27:19,810 INFO L85 PathProgramCache]: Analyzing trace with hash 65780912, now seen corresponding path program 4 times [2023-08-31 11:27:19,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:27:19,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569172221] [2023-08-31 11:27:19,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:27:19,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:27:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:27:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:27:19,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:27:19,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569172221] [2023-08-31 11:27:19,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569172221] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:27:19,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:27:19,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 11:27:19,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400814847] [2023-08-31 11:27:19,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:27:19,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 11:27:19,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:27:19,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 11:27:19,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 11:27:19,840 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 291 [2023-08-31 11:27:19,840 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 77 transitions, 348 flow. Second operand has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:19,840 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:27:19,841 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 291 [2023-08-31 11:27:19,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:27:20,225 INFO L130 PetriNetUnfolder]: 2761/5268 cut-off events. [2023-08-31 11:27:20,225 INFO L131 PetriNetUnfolder]: For 5105/5211 co-relation queries the response was YES. [2023-08-31 11:27:20,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14872 conditions, 5268 events. 2761/5268 cut-off events. For 5105/5211 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 35217 event pairs, 1025 based on Foata normal form. 48/5158 useless extension candidates. Maximal degree in co-relation 14857. Up to 2471 conditions per place. [2023-08-31 11:27:20,241 INFO L137 encePairwiseOnDemand]: 285/291 looper letters, 111 selfloop transitions, 4 changer transitions 24/150 dead transitions. [2023-08-31 11:27:20,242 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 150 transitions, 990 flow [2023-08-31 11:27:20,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 11:27:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 11:27:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 533 transitions. [2023-08-31 11:27:20,243 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4579037800687285 [2023-08-31 11:27:20,244 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 533 transitions. [2023-08-31 11:27:20,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 533 transitions. [2023-08-31 11:27:20,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:27:20,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 533 transitions. [2023-08-31 11:27:20,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 133.25) internal successors, (533), 4 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 291.0) internal successors, (1455), 5 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,247 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 291.0) internal successors, (1455), 5 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,247 INFO L175 Difference]: Start difference. First operand has 85 places, 77 transitions, 348 flow. Second operand 4 states and 533 transitions. [2023-08-31 11:27:20,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 150 transitions, 990 flow [2023-08-31 11:27:20,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 150 transitions, 908 flow, removed 28 selfloop flow, removed 4 redundant places. [2023-08-31 11:27:20,256 INFO L231 Difference]: Finished difference. Result has 80 places, 78 transitions, 344 flow [2023-08-31 11:27:20,256 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=344, PETRI_PLACES=80, PETRI_TRANSITIONS=78} [2023-08-31 11:27:20,256 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -17 predicate places. [2023-08-31 11:27:20,256 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 78 transitions, 344 flow [2023-08-31 11:27:20,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,257 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:27:20,257 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 11:27:20,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 11:27:20,257 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-31 11:27:20,257 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:27:20,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1681814298, now seen corresponding path program 1 times [2023-08-31 11:27:20,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:27:20,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556842336] [2023-08-31 11:27:20,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:27:20,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:27:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:27:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:27:20,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:27:20,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556842336] [2023-08-31 11:27:20,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556842336] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:27:20,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:27:20,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 11:27:20,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847498383] [2023-08-31 11:27:20,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:27:20,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 11:27:20,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:27:20,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 11:27:20,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 11:27:20,295 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 291 [2023-08-31 11:27:20,296 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 78 transitions, 344 flow. Second operand has 4 states, 4 states have (on average 110.75) internal successors, (443), 4 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,296 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:27:20,296 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 291 [2023-08-31 11:27:20,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:27:20,612 INFO L130 PetriNetUnfolder]: 2337/4366 cut-off events. [2023-08-31 11:27:20,612 INFO L131 PetriNetUnfolder]: For 3618/3686 co-relation queries the response was YES. [2023-08-31 11:27:20,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11828 conditions, 4366 events. 2337/4366 cut-off events. For 3618/3686 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 26768 event pairs, 1014 based on Foata normal form. 34/4272 useless extension candidates. Maximal degree in co-relation 11813. Up to 2232 conditions per place. [2023-08-31 11:27:20,625 INFO L137 encePairwiseOnDemand]: 284/291 looper letters, 71 selfloop transitions, 3 changer transitions 50/135 dead transitions. [2023-08-31 11:27:20,626 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 135 transitions, 825 flow [2023-08-31 11:27:20,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-31 11:27:20,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-31 11:27:20,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 627 transitions. [2023-08-31 11:27:20,628 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4309278350515464 [2023-08-31 11:27:20,628 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 627 transitions. [2023-08-31 11:27:20,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 627 transitions. [2023-08-31 11:27:20,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:27:20,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 627 transitions. [2023-08-31 11:27:20,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 125.4) internal successors, (627), 5 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,631 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,631 INFO L175 Difference]: Start difference. First operand has 80 places, 78 transitions, 344 flow. Second operand 5 states and 627 transitions. [2023-08-31 11:27:20,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 135 transitions, 825 flow [2023-08-31 11:27:20,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 135 transitions, 816 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-31 11:27:20,638 INFO L231 Difference]: Finished difference. Result has 84 places, 70 transitions, 328 flow [2023-08-31 11:27:20,638 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=328, PETRI_PLACES=84, PETRI_TRANSITIONS=70} [2023-08-31 11:27:20,639 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -13 predicate places. [2023-08-31 11:27:20,639 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 70 transitions, 328 flow [2023-08-31 11:27:20,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.75) internal successors, (443), 4 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,639 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 11:27:20,640 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 11:27:20,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 11:27:20,640 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-08-31 11:27:20,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 11:27:20,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1058234996, now seen corresponding path program 1 times [2023-08-31 11:27:20,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 11:27:20,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912853142] [2023-08-31 11:27:20,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 11:27:20,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 11:27:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 11:27:20,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 11:27:20,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 11:27:20,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912853142] [2023-08-31 11:27:20,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912853142] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 11:27:20,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 11:27:20,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 11:27:20,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456928173] [2023-08-31 11:27:20,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 11:27:20,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 11:27:20,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 11:27:20,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 11:27:20,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 11:27:20,681 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 291 [2023-08-31 11:27:20,682 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 70 transitions, 328 flow. Second operand has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,682 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 11:27:20,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 291 [2023-08-31 11:27:20,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 11:27:20,877 INFO L130 PetriNetUnfolder]: 1248/2185 cut-off events. [2023-08-31 11:27:20,877 INFO L131 PetriNetUnfolder]: For 1908/1929 co-relation queries the response was YES. [2023-08-31 11:27:20,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6231 conditions, 2185 events. 1248/2185 cut-off events. For 1908/1929 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 10588 event pairs, 427 based on Foata normal form. 26/2143 useless extension candidates. Maximal degree in co-relation 6215. Up to 1185 conditions per place. [2023-08-31 11:27:20,883 INFO L137 encePairwiseOnDemand]: 285/291 looper letters, 0 selfloop transitions, 0 changer transitions 99/99 dead transitions. [2023-08-31 11:27:20,883 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 99 transitions, 619 flow [2023-08-31 11:27:20,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-31 11:27:20,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-31 11:27:20,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 609 transitions. [2023-08-31 11:27:20,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41855670103092785 [2023-08-31 11:27:20,886 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 609 transitions. [2023-08-31 11:27:20,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 609 transitions. [2023-08-31 11:27:20,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 11:27:20,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 609 transitions. [2023-08-31 11:27:20,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 121.8) internal successors, (609), 5 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,889 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,889 INFO L175 Difference]: Start difference. First operand has 84 places, 70 transitions, 328 flow. Second operand 5 states and 609 transitions. [2023-08-31 11:27:20,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 99 transitions, 619 flow [2023-08-31 11:27:20,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 99 transitions, 535 flow, removed 18 selfloop flow, removed 10 redundant places. [2023-08-31 11:27:20,895 INFO L231 Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow [2023-08-31 11:27:20,895 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0} [2023-08-31 11:27:20,895 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -31 predicate places. [2023-08-31 11:27:20,895 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow [2023-08-31 11:27:20,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 11:27:20,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (75 of 76 remaining) [2023-08-31 11:27:20,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (74 of 76 remaining) [2023-08-31 11:27:20,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (73 of 76 remaining) [2023-08-31 11:27:20,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (72 of 76 remaining) [2023-08-31 11:27:20,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (71 of 76 remaining) [2023-08-31 11:27:20,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (70 of 76 remaining) [2023-08-31 11:27:20,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (69 of 76 remaining) [2023-08-31 11:27:20,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (68 of 76 remaining) [2023-08-31 11:27:20,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (67 of 76 remaining) [2023-08-31 11:27:20,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (66 of 76 remaining) [2023-08-31 11:27:20,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (65 of 76 remaining) [2023-08-31 11:27:20,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (64 of 76 remaining) [2023-08-31 11:27:20,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (63 of 76 remaining) [2023-08-31 11:27:20,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (62 of 76 remaining) [2023-08-31 11:27:20,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (61 of 76 remaining) [2023-08-31 11:27:20,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (60 of 76 remaining) [2023-08-31 11:27:20,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (59 of 76 remaining) [2023-08-31 11:27:20,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (58 of 76 remaining) [2023-08-31 11:27:20,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (57 of 76 remaining) [2023-08-31 11:27:20,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (56 of 76 remaining) [2023-08-31 11:27:20,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (55 of 76 remaining) [2023-08-31 11:27:20,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (54 of 76 remaining) [2023-08-31 11:27:20,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (53 of 76 remaining) [2023-08-31 11:27:20,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (52 of 76 remaining) [2023-08-31 11:27:20,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (51 of 76 remaining) [2023-08-31 11:27:20,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (50 of 76 remaining) [2023-08-31 11:27:20,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (49 of 76 remaining) [2023-08-31 11:27:20,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (48 of 76 remaining) [2023-08-31 11:27:20,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (47 of 76 remaining) [2023-08-31 11:27:20,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (46 of 76 remaining) [2023-08-31 11:27:20,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (45 of 76 remaining) [2023-08-31 11:27:20,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (44 of 76 remaining) [2023-08-31 11:27:20,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (43 of 76 remaining) [2023-08-31 11:27:20,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (42 of 76 remaining) [2023-08-31 11:27:20,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (41 of 76 remaining) [2023-08-31 11:27:20,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (40 of 76 remaining) [2023-08-31 11:27:20,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 76 remaining) [2023-08-31 11:27:20,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 76 remaining) [2023-08-31 11:27:20,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 76 remaining) [2023-08-31 11:27:20,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 76 remaining) [2023-08-31 11:27:20,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (35 of 76 remaining) [2023-08-31 11:27:20,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (34 of 76 remaining) [2023-08-31 11:27:20,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (33 of 76 remaining) [2023-08-31 11:27:20,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (32 of 76 remaining) [2023-08-31 11:27:20,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (31 of 76 remaining) [2023-08-31 11:27:20,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (30 of 76 remaining) [2023-08-31 11:27:20,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (29 of 76 remaining) [2023-08-31 11:27:20,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (28 of 76 remaining) [2023-08-31 11:27:20,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (27 of 76 remaining) [2023-08-31 11:27:20,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (26 of 76 remaining) [2023-08-31 11:27:20,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (25 of 76 remaining) [2023-08-31 11:27:20,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (24 of 76 remaining) [2023-08-31 11:27:20,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (23 of 76 remaining) [2023-08-31 11:27:20,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (22 of 76 remaining) [2023-08-31 11:27:20,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (21 of 76 remaining) [2023-08-31 11:27:20,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (20 of 76 remaining) [2023-08-31 11:27:20,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (19 of 76 remaining) [2023-08-31 11:27:20,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (18 of 76 remaining) [2023-08-31 11:27:20,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (17 of 76 remaining) [2023-08-31 11:27:20,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (16 of 76 remaining) [2023-08-31 11:27:20,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (15 of 76 remaining) [2023-08-31 11:27:20,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (14 of 76 remaining) [2023-08-31 11:27:20,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (13 of 76 remaining) [2023-08-31 11:27:20,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 76 remaining) [2023-08-31 11:27:20,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (11 of 76 remaining) [2023-08-31 11:27:20,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 76 remaining) [2023-08-31 11:27:20,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (9 of 76 remaining) [2023-08-31 11:27:20,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (8 of 76 remaining) [2023-08-31 11:27:20,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 76 remaining) [2023-08-31 11:27:20,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 76 remaining) [2023-08-31 11:27:20,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (5 of 76 remaining) [2023-08-31 11:27:20,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 76 remaining) [2023-08-31 11:27:20,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 76 remaining) [2023-08-31 11:27:20,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 76 remaining) [2023-08-31 11:27:20,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 76 remaining) [2023-08-31 11:27:20,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 76 remaining) [2023-08-31 11:27:20,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 11:27:20,909 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2023-08-31 11:27:20,913 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 11:27:20,913 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 11:27:20,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 11:27:20 BasicIcfg [2023-08-31 11:27:20,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 11:27:20,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 11:27:20,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 11:27:20,916 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 11:27:20,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 11:27:14" (3/4) ... [2023-08-31 11:27:20,918 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 11:27:20,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-08-31 11:27:20,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-08-31 11:27:20,923 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-08-31 11:27:20,923 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 11:27:20,924 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 11:27:20,924 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 11:27:20,943 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 11:27:20,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 11:27:20,944 INFO L158 Benchmark]: Toolchain (without parser) took 7379.46ms. Allocated memory was 75.5MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 52.3MB in the beginning and 578.1MB in the end (delta: -525.8MB). Peak memory consumption was 579.1MB. Max. memory is 16.1GB. [2023-08-31 11:27:20,944 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 11:27:20,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.17ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 48.7MB in the end (delta: 3.4MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-08-31 11:27:20,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.49ms. Allocated memory is still 75.5MB. Free memory was 48.7MB in the beginning and 46.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 11:27:20,945 INFO L158 Benchmark]: Boogie Preprocessor took 49.61ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 44.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 11:27:20,964 INFO L158 Benchmark]: RCFGBuilder took 530.17ms. Allocated memory is still 75.5MB. Free memory was 44.5MB in the beginning and 40.0MB in the end (delta: 4.5MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-08-31 11:27:20,965 INFO L158 Benchmark]: TraceAbstraction took 6309.08ms. Allocated memory was 75.5MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 39.2MB in the beginning and 580.2MB in the end (delta: -541.0MB). Peak memory consumption was 560.4MB. Max. memory is 16.1GB. [2023-08-31 11:27:20,965 INFO L158 Benchmark]: Witness Printer took 27.70ms. Allocated memory is still 1.2GB. Free memory was 580.2MB in the beginning and 578.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 11:27:20,967 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.17ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 48.7MB in the end (delta: 3.4MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.49ms. Allocated memory is still 75.5MB. Free memory was 48.7MB in the beginning and 46.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.61ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 44.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 530.17ms. Allocated memory is still 75.5MB. Free memory was 44.5MB in the beginning and 40.0MB in the end (delta: 4.5MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6309.08ms. Allocated memory was 75.5MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 39.2MB in the beginning and 580.2MB in the end (delta: -541.0MB). Peak memory consumption was 560.4MB. Max. memory is 16.1GB. * Witness Printer took 27.70ms. Allocated memory is still 1.2GB. Free memory was 580.2MB in the beginning and 578.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 159 PlacesBefore, 97 PlacesAfterwards, 176 TransitionsBefore, 106 TransitionsAfterwards, 13068 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 72 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 104 TotalNumberOfCompositions, 48898 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14887, independent: 14161, independent conditional: 0, independent unconditional: 14161, dependent: 726, dependent conditional: 0, dependent unconditional: 726, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5386, independent: 5277, independent conditional: 0, independent unconditional: 5277, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14887, independent: 8884, independent conditional: 0, independent unconditional: 8884, dependent: 617, dependent conditional: 0, dependent unconditional: 617, unknown: 5386, unknown conditional: 0, unknown unconditional: 5386] , Statistics on independence cache: Total cache size (in pairs): 1042, Positive cache size: 970, Positive conditional cache size: 0, Positive unconditional cache size: 970, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 833]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 799]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 834]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 802]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 836]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 839]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 813]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 817]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 821]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 847]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 848]: 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, 276 locations, 76 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: 6.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 592 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 493 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1944 IncrementalHoareTripleChecker+Invalid, 1988 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 40 mSDtfsCounter, 1944 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=348occurred in iteration=7, InterpolantAutomatonStates: 38, 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, 0.3s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 11:27:20,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE