./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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/ldv-races/race-2_5-container_of.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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 16:37:03,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 16:37:03,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 16:37:03,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 16:37:03,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 16:37:03,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 16:37:03,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 16:37:03,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 16:37:03,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 16:37:03,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 16:37:03,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 16:37:03,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 16:37:03,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 16:37:03,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 16:37:03,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 16:37:03,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 16:37:03,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 16:37:03,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 16:37:03,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 16:37:03,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 16:37:03,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 16:37:03,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 16:37:03,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 16:37:03,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 16:37:03,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 16:37:03,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 16:37:03,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 16:37:03,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 16:37:03,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 16:37:03,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 16:37:03,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 16:37:03,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 16:37:03,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 16:37:03,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 16:37:03,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 16:37:03,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 16:37:03,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 16:37:03,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 16:37:03,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 16:37:03,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 16:37:03,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 16:37:03,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 16:37:03,295 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 16:37:03,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 16:37:03,296 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 16:37:03,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 16:37:03,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 16:37:03,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 16:37:03,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 16:37:03,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 16:37:03,298 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 16:37:03,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 16:37:03,299 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 16:37:03,299 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 16:37:03,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 16:37:03,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 16:37:03,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 16:37:03,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 16:37:03,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 16:37:03,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 16:37:03,300 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 16:37:03,300 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 16:37:03,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 16:37:03,301 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 16:37:03,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 16:37:03,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 16:37:03,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 16:37:03,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 16:37:03,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 16:37:03,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 16:37:03,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 16:37:03,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 16:37:03,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 16:37:03,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 16:37:03,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 16:37:03,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 16:37:03,303 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 16:37:03,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 16:37:03,303 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 16:37:03,303 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 16:37:03,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 16:37:03,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 16:37:03,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 16:37:03,598 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 16:37:03,598 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 16:37:03,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-08-29 16:37:04,692 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 16:37:05,002 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 16:37:05,005 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-08-29 16:37:05,025 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a34ca0c8e/2cf3e54dc2d0496f9b4628ac58d264f0/FLAG72a3ac2b5 [2023-08-29 16:37:05,036 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a34ca0c8e/2cf3e54dc2d0496f9b4628ac58d264f0 [2023-08-29 16:37:05,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 16:37:05,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 16:37:05,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 16:37:05,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 16:37:05,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 16:37:05,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:37:05" (1/1) ... [2023-08-29 16:37:05,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a1cb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:05, skipping insertion in model container [2023-08-29 16:37:05,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:37:05" (1/1) ... [2023-08-29 16:37:05,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 16:37:05,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 16:37:05,317 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 16:37:05,769 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[75002,75015] [2023-08-29 16:37:05,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 16:37:05,824 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 16:37:05,837 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 16:37:05,884 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[75002,75015] [2023-08-29 16:37:05,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 16:37:05,996 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:37:05,997 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:37:05,997 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:37:06,002 INFO L208 MainTranslator]: Completed translation [2023-08-29 16:37:06,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:06 WrapperNode [2023-08-29 16:37:06,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 16:37:06,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 16:37:06,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 16:37:06,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 16:37:06,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:06" (1/1) ... [2023-08-29 16:37:06,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:06" (1/1) ... [2023-08-29 16:37:06,064 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 226 [2023-08-29 16:37:06,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 16:37:06,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 16:37:06,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 16:37:06,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 16:37:06,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:06" (1/1) ... [2023-08-29 16:37:06,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:06" (1/1) ... [2023-08-29 16:37:06,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:06" (1/1) ... [2023-08-29 16:37:06,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:06" (1/1) ... [2023-08-29 16:37:06,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:06" (1/1) ... [2023-08-29 16:37:06,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:06" (1/1) ... [2023-08-29 16:37:06,110 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:06" (1/1) ... [2023-08-29 16:37:06,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:06" (1/1) ... [2023-08-29 16:37:06,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 16:37:06,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 16:37:06,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 16:37:06,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 16:37:06,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:06" (1/1) ... [2023-08-29 16:37:06,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 16:37:06,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 16:37:06,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 16:37:06,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 16:37:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 16:37:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 16:37:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 16:37:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 16:37:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 16:37:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 16:37:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 16:37:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 16:37:06,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 16:37:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-29 16:37:06,219 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-29 16:37:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 16:37:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 16:37:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 16:37:06,221 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 16:37:06,500 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 16:37:06,502 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 16:37:06,833 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 16:37:06,931 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 16:37:06,932 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 16:37:06,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:37:06 BoogieIcfgContainer [2023-08-29 16:37:06,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 16:37:06,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 16:37:06,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 16:37:06,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 16:37:06,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:37:05" (1/3) ... [2023-08-29 16:37:06,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e7f94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:37:06, skipping insertion in model container [2023-08-29 16:37:06,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:37:06" (2/3) ... [2023-08-29 16:37:06,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e7f94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:37:06, skipping insertion in model container [2023-08-29 16:37:06,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:37:06" (3/3) ... [2023-08-29 16:37:06,941 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-08-29 16:37:06,948 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 16:37:06,956 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 16:37:06,956 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-08-29 16:37:06,956 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 16:37:07,042 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 16:37:07,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 231 places, 231 transitions, 478 flow [2023-08-29 16:37:07,217 INFO L130 PetriNetUnfolder]: 8/301 cut-off events. [2023-08-29 16:37:07,218 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 16:37:07,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 301 events. 8/301 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 595 event pairs, 0 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 155. Up to 4 conditions per place. [2023-08-29 16:37:07,223 INFO L82 GeneralOperation]: Start removeDead. Operand has 231 places, 231 transitions, 478 flow [2023-08-29 16:37:07,232 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 229 places, 228 transitions, 468 flow [2023-08-29 16:37:07,236 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 16:37:07,247 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 229 places, 228 transitions, 468 flow [2023-08-29 16:37:07,251 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 229 places, 228 transitions, 468 flow [2023-08-29 16:37:07,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 229 places, 228 transitions, 468 flow [2023-08-29 16:37:07,305 INFO L130 PetriNetUnfolder]: 7/300 cut-off events. [2023-08-29 16:37:07,306 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 16:37:07,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 300 events. 7/300 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 606 event pairs, 0 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 154. Up to 4 conditions per place. [2023-08-29 16:37:07,312 INFO L119 LiptonReduction]: Number of co-enabled transitions 6112 [2023-08-29 16:37:44,490 INFO L134 LiptonReduction]: Checked pairs total: 32834 [2023-08-29 16:37:44,491 INFO L136 LiptonReduction]: Total number of compositions: 192 [2023-08-29 16:37:44,503 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 16:37:44,508 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;@e430e44, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 16:37:44,508 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-08-29 16:37:44,510 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 16:37:44,510 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 16:37:44,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:37:44,511 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 16:37:44,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:37:44,515 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:37:44,515 INFO L85 PathProgramCache]: Analyzing trace with hash 860, now seen corresponding path program 1 times [2023-08-29 16:37:44,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:37:44,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227085881] [2023-08-29 16:37:44,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:37:44,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:37:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:37:44,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:37:44,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:37:44,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227085881] [2023-08-29 16:37:44,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227085881] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:37:44,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:37:44,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 16:37:44,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776837146] [2023-08-29 16:37:44,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:37:44,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 16:37:44,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:37:44,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 16:37:44,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 16:37:44,815 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 423 [2023-08-29 16:37:44,819 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 83 transitions, 178 flow. Second operand has 2 states, 2 states have (on average 199.5) internal successors, (399), 2 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:44,820 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:37:44,820 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 423 [2023-08-29 16:37:44,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:37:45,251 INFO L130 PetriNetUnfolder]: 606/1706 cut-off events. [2023-08-29 16:37:45,251 INFO L131 PetriNetUnfolder]: For 24/53 co-relation queries the response was YES. [2023-08-29 16:37:45,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2756 conditions, 1706 events. 606/1706 cut-off events. For 24/53 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 11287 event pairs, 605 based on Foata normal form. 74/1660 useless extension candidates. Maximal degree in co-relation 2516. Up to 1026 conditions per place. [2023-08-29 16:37:45,262 INFO L137 encePairwiseOnDemand]: 407/423 looper letters, 31 selfloop transitions, 0 changer transitions 1/66 dead transitions. [2023-08-29 16:37:45,262 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 66 transitions, 208 flow [2023-08-29 16:37:45,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 16:37:45,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 16:37:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 446 transitions. [2023-08-29 16:37:45,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5271867612293144 [2023-08-29 16:37:45,281 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 446 transitions. [2023-08-29 16:37:45,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 446 transitions. [2023-08-29 16:37:45,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:37:45,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 446 transitions. [2023-08-29 16:37:45,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 223.0) internal successors, (446), 2 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:45,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:45,296 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:45,298 INFO L175 Difference]: Start difference. First operand has 86 places, 83 transitions, 178 flow. Second operand 2 states and 446 transitions. [2023-08-29 16:37:45,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 66 transitions, 208 flow [2023-08-29 16:37:45,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 66 transitions, 200 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 16:37:45,305 INFO L231 Difference]: Finished difference. Result has 68 places, 65 transitions, 134 flow [2023-08-29 16:37:45,308 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=134, PETRI_PLACES=68, PETRI_TRANSITIONS=65} [2023-08-29 16:37:45,311 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -18 predicate places. [2023-08-29 16:37:45,314 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 134 flow [2023-08-29 16:37:45,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 199.5) internal successors, (399), 2 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:45,314 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:37:45,315 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:37:45,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 16:37:45,315 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:37:45,323 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:37:45,324 INFO L85 PathProgramCache]: Analyzing trace with hash -356357472, now seen corresponding path program 1 times [2023-08-29 16:37:45,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:37:45,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359398333] [2023-08-29 16:37:45,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:37:45,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:37:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:37:45,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:37:45,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:37:45,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359398333] [2023-08-29 16:37:45,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359398333] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:37:45,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:37:45,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 16:37:45,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832405671] [2023-08-29 16:37:45,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:37:45,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 16:37:45,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:37:45,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 16:37:45,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 16:37:45,615 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 423 [2023-08-29 16:37:45,616 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:45,616 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:37:45,616 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 423 [2023-08-29 16:37:45,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:37:45,934 INFO L130 PetriNetUnfolder]: 546/1674 cut-off events. [2023-08-29 16:37:45,934 INFO L131 PetriNetUnfolder]: For 7/31 co-relation queries the response was YES. [2023-08-29 16:37:45,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2611 conditions, 1674 events. 546/1674 cut-off events. For 7/31 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 11542 event pairs, 545 based on Foata normal form. 0/1543 useless extension candidates. Maximal degree in co-relation 2608. Up to 927 conditions per place. [2023-08-29 16:37:45,941 INFO L137 encePairwiseOnDemand]: 420/423 looper letters, 30 selfloop transitions, 2 changer transitions 0/66 dead transitions. [2023-08-29 16:37:45,941 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 66 transitions, 200 flow [2023-08-29 16:37:45,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 16:37:45,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 16:37:45,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 621 transitions. [2023-08-29 16:37:45,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48936170212765956 [2023-08-29 16:37:45,944 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 621 transitions. [2023-08-29 16:37:45,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 621 transitions. [2023-08-29 16:37:45,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:37:45,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 621 transitions. [2023-08-29 16:37:45,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:45,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 423.0) internal successors, (1692), 4 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:45,950 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 423.0) internal successors, (1692), 4 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:45,950 INFO L175 Difference]: Start difference. First operand has 68 places, 65 transitions, 134 flow. Second operand 3 states and 621 transitions. [2023-08-29 16:37:45,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 66 transitions, 200 flow [2023-08-29 16:37:45,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 66 transitions, 200 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 16:37:45,952 INFO L231 Difference]: Finished difference. Result has 70 places, 66 transitions, 146 flow [2023-08-29 16:37:45,952 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=70, PETRI_TRANSITIONS=66} [2023-08-29 16:37:45,953 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -16 predicate places. [2023-08-29 16:37:45,953 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 66 transitions, 146 flow [2023-08-29 16:37:45,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:45,954 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:37:45,954 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:37:45,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 16:37:45,955 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:37:45,955 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:37:45,955 INFO L85 PathProgramCache]: Analyzing trace with hash 280239100, now seen corresponding path program 1 times [2023-08-29 16:37:45,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:37:45,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000760401] [2023-08-29 16:37:45,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:37:45,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:37:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:37:46,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:37:46,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:37:46,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000760401] [2023-08-29 16:37:46,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000760401] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:37:46,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:37:46,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 16:37:46,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067435937] [2023-08-29 16:37:46,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:37:46,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 16:37:46,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:37:46,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 16:37:46,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 16:37:46,715 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 423 [2023-08-29 16:37:46,716 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 146 flow. Second operand has 6 states, 6 states have (on average 163.16666666666666) internal successors, (979), 6 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:46,716 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:37:46,716 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 423 [2023-08-29 16:37:46,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:37:47,408 INFO L130 PetriNetUnfolder]: 1658/3229 cut-off events. [2023-08-29 16:37:47,408 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2023-08-29 16:37:47,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6048 conditions, 3229 events. 1658/3229 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 18686 event pairs, 1198 based on Foata normal form. 0/3082 useless extension candidates. Maximal degree in co-relation 6043. Up to 2395 conditions per place. [2023-08-29 16:37:47,422 INFO L137 encePairwiseOnDemand]: 409/423 looper letters, 64 selfloop transitions, 31 changer transitions 0/111 dead transitions. [2023-08-29 16:37:47,422 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 111 transitions, 426 flow [2023-08-29 16:37:47,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 16:37:47,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 16:37:47,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1067 transitions. [2023-08-29 16:37:47,426 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42040977147360126 [2023-08-29 16:37:47,426 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1067 transitions. [2023-08-29 16:37:47,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1067 transitions. [2023-08-29 16:37:47,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:37:47,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1067 transitions. [2023-08-29 16:37:47,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.83333333333334) internal successors, (1067), 6 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:47,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:47,434 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:47,435 INFO L175 Difference]: Start difference. First operand has 70 places, 66 transitions, 146 flow. Second operand 6 states and 1067 transitions. [2023-08-29 16:37:47,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 111 transitions, 426 flow [2023-08-29 16:37:47,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 111 transitions, 424 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 16:37:47,437 INFO L231 Difference]: Finished difference. Result has 79 places, 95 transitions, 350 flow [2023-08-29 16:37:47,438 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=350, PETRI_PLACES=79, PETRI_TRANSITIONS=95} [2023-08-29 16:37:47,438 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -7 predicate places. [2023-08-29 16:37:47,439 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 95 transitions, 350 flow [2023-08-29 16:37:47,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.16666666666666) internal successors, (979), 6 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:47,439 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:37:47,440 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:37:47,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 16:37:47,440 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:37:47,440 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:37:47,440 INFO L85 PathProgramCache]: Analyzing trace with hash 2141699716, now seen corresponding path program 1 times [2023-08-29 16:37:47,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:37:47,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419795061] [2023-08-29 16:37:47,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:37:47,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:37:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:37:47,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:37:47,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:37:47,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419795061] [2023-08-29 16:37:47,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419795061] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:37:47,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:37:47,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 16:37:47,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312743586] [2023-08-29 16:37:47,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:37:47,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 16:37:47,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:37:47,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 16:37:47,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 16:37:48,118 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 423 [2023-08-29 16:37:48,120 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 95 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 177.83333333333334) internal successors, (1067), 6 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:48,120 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:37:48,120 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 423 [2023-08-29 16:37:48,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:37:48,926 INFO L130 PetriNetUnfolder]: 1848/3566 cut-off events. [2023-08-29 16:37:48,927 INFO L131 PetriNetUnfolder]: For 1167/1173 co-relation queries the response was YES. [2023-08-29 16:37:48,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8612 conditions, 3566 events. 1848/3566 cut-off events. For 1167/1173 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 21139 event pairs, 1097 based on Foata normal form. 0/3445 useless extension candidates. Maximal degree in co-relation 8603. Up to 2601 conditions per place. [2023-08-29 16:37:48,944 INFO L137 encePairwiseOnDemand]: 412/423 looper letters, 98 selfloop transitions, 22 changer transitions 0/142 dead transitions. [2023-08-29 16:37:48,944 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 142 transitions, 733 flow [2023-08-29 16:37:48,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 16:37:48,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 16:37:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1148 transitions. [2023-08-29 16:37:48,950 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523246650906225 [2023-08-29 16:37:48,950 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1148 transitions. [2023-08-29 16:37:48,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1148 transitions. [2023-08-29 16:37:48,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:37:48,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1148 transitions. [2023-08-29 16:37:48,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:48,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:48,959 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:48,959 INFO L175 Difference]: Start difference. First operand has 79 places, 95 transitions, 350 flow. Second operand 6 states and 1148 transitions. [2023-08-29 16:37:48,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 142 transitions, 733 flow [2023-08-29 16:37:48,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 142 transitions, 733 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 16:37:48,967 INFO L231 Difference]: Finished difference. Result has 89 places, 116 transitions, 532 flow [2023-08-29 16:37:48,967 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=532, PETRI_PLACES=89, PETRI_TRANSITIONS=116} [2023-08-29 16:37:48,968 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 3 predicate places. [2023-08-29 16:37:48,968 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 116 transitions, 532 flow [2023-08-29 16:37:48,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.83333333333334) internal successors, (1067), 6 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:48,969 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:37:48,969 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:37:48,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 16:37:48,969 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:37:48,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:37:48,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1093570387, now seen corresponding path program 1 times [2023-08-29 16:37:48,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:37:48,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077933958] [2023-08-29 16:37:48,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:37:48,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:37:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:37:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:37:49,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:37:49,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077933958] [2023-08-29 16:37:49,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077933958] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:37:49,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:37:49,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 16:37:49,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405996846] [2023-08-29 16:37:49,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:37:49,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 16:37:49,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:37:49,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 16:37:49,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 16:37:49,082 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 423 [2023-08-29 16:37:49,082 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 116 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:49,083 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:37:49,083 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 423 [2023-08-29 16:37:49,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:37:49,422 INFO L130 PetriNetUnfolder]: 475/982 cut-off events. [2023-08-29 16:37:49,422 INFO L131 PetriNetUnfolder]: For 1069/1214 co-relation queries the response was YES. [2023-08-29 16:37:49,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2935 conditions, 982 events. 475/982 cut-off events. For 1069/1214 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4978 event pairs, 251 based on Foata normal form. 0/942 useless extension candidates. Maximal degree in co-relation 2921. Up to 664 conditions per place. [2023-08-29 16:37:49,429 INFO L137 encePairwiseOnDemand]: 420/423 looper letters, 56 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2023-08-29 16:37:49,429 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 95 transitions, 514 flow [2023-08-29 16:37:49,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 16:37:49,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 16:37:49,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 630 transitions. [2023-08-29 16:37:49,433 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49645390070921985 [2023-08-29 16:37:49,433 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 630 transitions. [2023-08-29 16:37:49,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 630 transitions. [2023-08-29 16:37:49,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:37:49,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 630 transitions. [2023-08-29 16:37:49,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:49,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 423.0) internal successors, (1692), 4 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:49,439 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 423.0) internal successors, (1692), 4 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:49,439 INFO L175 Difference]: Start difference. First operand has 89 places, 116 transitions, 532 flow. Second operand 3 states and 630 transitions. [2023-08-29 16:37:49,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 95 transitions, 514 flow [2023-08-29 16:37:49,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 95 transitions, 491 flow, removed 1 selfloop flow, removed 9 redundant places. [2023-08-29 16:37:49,446 INFO L231 Difference]: Finished difference. Result has 81 places, 85 transitions, 339 flow [2023-08-29 16:37:49,446 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=81, PETRI_TRANSITIONS=85} [2023-08-29 16:37:49,448 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -5 predicate places. [2023-08-29 16:37:49,449 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 85 transitions, 339 flow [2023-08-29 16:37:49,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:49,449 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:37:49,449 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:37:49,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 16:37:49,450 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:37:49,450 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:37:49,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1461051101, now seen corresponding path program 1 times [2023-08-29 16:37:49,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:37:49,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927123824] [2023-08-29 16:37:49,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:37:49,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:37:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:37:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:37:49,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:37:49,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927123824] [2023-08-29 16:37:49,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927123824] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:37:49,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:37:49,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 16:37:49,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096817895] [2023-08-29 16:37:49,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:37:49,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 16:37:49,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:37:49,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 16:37:49,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 16:37:50,720 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 16:37:50,722 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 85 transitions, 339 flow. Second operand has 10 states, 10 states have (on average 170.3) internal successors, (1703), 10 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:50,722 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:37:50,722 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 16:37:50,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:37:51,885 INFO L130 PetriNetUnfolder]: 995/1772 cut-off events. [2023-08-29 16:37:51,885 INFO L131 PetriNetUnfolder]: For 1468/1468 co-relation queries the response was YES. [2023-08-29 16:37:51,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5554 conditions, 1772 events. 995/1772 cut-off events. For 1468/1468 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 8792 event pairs, 46 based on Foata normal form. 24/1788 useless extension candidates. Maximal degree in co-relation 5543. Up to 899 conditions per place. [2023-08-29 16:37:51,896 INFO L137 encePairwiseOnDemand]: 410/423 looper letters, 125 selfloop transitions, 36 changer transitions 0/181 dead transitions. [2023-08-29 16:37:51,896 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 181 transitions, 1126 flow [2023-08-29 16:37:51,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 16:37:51,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 16:37:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1807 transitions. [2023-08-29 16:37:51,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4271867612293144 [2023-08-29 16:37:51,901 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1807 transitions. [2023-08-29 16:37:51,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1807 transitions. [2023-08-29 16:37:51,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:37:51,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1807 transitions. [2023-08-29 16:37:51,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 180.7) internal successors, (1807), 10 states have internal predecessors, (1807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:51,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:51,912 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:51,912 INFO L175 Difference]: Start difference. First operand has 81 places, 85 transitions, 339 flow. Second operand 10 states and 1807 transitions. [2023-08-29 16:37:51,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 181 transitions, 1126 flow [2023-08-29 16:37:51,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 181 transitions, 1110 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-08-29 16:37:51,919 INFO L231 Difference]: Finished difference. Result has 93 places, 118 transitions, 714 flow [2023-08-29 16:37:51,919 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=714, PETRI_PLACES=93, PETRI_TRANSITIONS=118} [2023-08-29 16:37:51,919 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 7 predicate places. [2023-08-29 16:37:51,920 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 118 transitions, 714 flow [2023-08-29 16:37:51,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 170.3) internal successors, (1703), 10 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:51,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:37:51,921 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:37:51,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 16:37:51,921 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:37:51,921 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:37:51,921 INFO L85 PathProgramCache]: Analyzing trace with hash 884421339, now seen corresponding path program 2 times [2023-08-29 16:37:51,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:37:51,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060636787] [2023-08-29 16:37:51,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:37:51,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:37:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:37:52,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:37:52,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:37:52,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060636787] [2023-08-29 16:37:52,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060636787] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:37:52,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:37:52,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 16:37:52,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843889385] [2023-08-29 16:37:52,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:37:52,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 16:37:52,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:37:52,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 16:37:52,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 16:37:53,289 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 16:37:53,291 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 118 transitions, 714 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:53,291 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:37:53,291 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 16:37:53,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:37:54,491 INFO L130 PetriNetUnfolder]: 1109/1994 cut-off events. [2023-08-29 16:37:54,491 INFO L131 PetriNetUnfolder]: For 3841/3841 co-relation queries the response was YES. [2023-08-29 16:37:54,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7434 conditions, 1994 events. 1109/1994 cut-off events. For 3841/3841 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 10188 event pairs, 339 based on Foata normal form. 24/2009 useless extension candidates. Maximal degree in co-relation 7418. Up to 1267 conditions per place. [2023-08-29 16:37:54,504 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 101 selfloop transitions, 53 changer transitions 0/174 dead transitions. [2023-08-29 16:37:54,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 174 transitions, 1281 flow [2023-08-29 16:37:54,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 16:37:54,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 16:37:54,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1634 transitions. [2023-08-29 16:37:54,513 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4292093511951668 [2023-08-29 16:37:54,513 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1634 transitions. [2023-08-29 16:37:54,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1634 transitions. [2023-08-29 16:37:54,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:37:54,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1634 transitions. [2023-08-29 16:37:54,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 181.55555555555554) internal successors, (1634), 9 states have internal predecessors, (1634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:54,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:54,523 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:54,523 INFO L175 Difference]: Start difference. First operand has 93 places, 118 transitions, 714 flow. Second operand 9 states and 1634 transitions. [2023-08-29 16:37:54,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 174 transitions, 1281 flow [2023-08-29 16:37:54,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 174 transitions, 1269 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 16:37:54,537 INFO L231 Difference]: Finished difference. Result has 101 places, 132 transitions, 1035 flow [2023-08-29 16:37:54,537 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=706, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1035, PETRI_PLACES=101, PETRI_TRANSITIONS=132} [2023-08-29 16:37:54,537 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 15 predicate places. [2023-08-29 16:37:54,538 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 132 transitions, 1035 flow [2023-08-29 16:37:54,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:54,538 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:37:54,539 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:37:54,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 16:37:54,539 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:37:54,539 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:37:54,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1852282422, now seen corresponding path program 1 times [2023-08-29 16:37:54,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:37:54,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303662834] [2023-08-29 16:37:54,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:37:54,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:37:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:37:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:37:54,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:37:54,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303662834] [2023-08-29 16:37:54,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303662834] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:37:54,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:37:54,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 16:37:54,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907753334] [2023-08-29 16:37:54,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:37:54,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 16:37:54,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:37:54,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 16:37:54,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 16:37:55,624 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 16:37:55,625 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 132 transitions, 1035 flow. Second operand has 10 states, 10 states have (on average 170.3) internal successors, (1703), 10 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:55,625 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:37:55,625 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 16:37:55,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:37:56,559 INFO L130 PetriNetUnfolder]: 1333/2332 cut-off events. [2023-08-29 16:37:56,559 INFO L131 PetriNetUnfolder]: For 7587/7592 co-relation queries the response was YES. [2023-08-29 16:37:56,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9981 conditions, 2332 events. 1333/2332 cut-off events. For 7587/7592 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 12427 event pairs, 121 based on Foata normal form. 25/2353 useless extension candidates. Maximal degree in co-relation 9962. Up to 1267 conditions per place. [2023-08-29 16:37:56,573 INFO L137 encePairwiseOnDemand]: 410/423 looper letters, 198 selfloop transitions, 56 changer transitions 0/274 dead transitions. [2023-08-29 16:37:56,574 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 274 transitions, 2625 flow [2023-08-29 16:37:56,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 16:37:56,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 16:37:56,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1819 transitions. [2023-08-29 16:37:56,580 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43002364066193854 [2023-08-29 16:37:56,580 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1819 transitions. [2023-08-29 16:37:56,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1819 transitions. [2023-08-29 16:37:56,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:37:56,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1819 transitions. [2023-08-29 16:37:56,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 181.9) internal successors, (1819), 10 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:56,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:56,591 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:56,591 INFO L175 Difference]: Start difference. First operand has 101 places, 132 transitions, 1035 flow. Second operand 10 states and 1819 transitions. [2023-08-29 16:37:56,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 274 transitions, 2625 flow [2023-08-29 16:37:56,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 274 transitions, 2544 flow, removed 3 selfloop flow, removed 5 redundant places. [2023-08-29 16:37:56,612 INFO L231 Difference]: Finished difference. Result has 111 places, 183 transitions, 1724 flow [2023-08-29 16:37:56,613 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1724, PETRI_PLACES=111, PETRI_TRANSITIONS=183} [2023-08-29 16:37:56,613 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 25 predicate places. [2023-08-29 16:37:56,613 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 183 transitions, 1724 flow [2023-08-29 16:37:56,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 170.3) internal successors, (1703), 10 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:56,614 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:37:56,614 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:37:56,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 16:37:56,615 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:37:56,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:37:56,615 INFO L85 PathProgramCache]: Analyzing trace with hash 74867677, now seen corresponding path program 3 times [2023-08-29 16:37:56,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:37:56,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948851742] [2023-08-29 16:37:56,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:37:56,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:37:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:37:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:37:56,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:37:56,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948851742] [2023-08-29 16:37:56,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948851742] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:37:56,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:37:56,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 16:37:56,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165494474] [2023-08-29 16:37:56,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:37:56,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 16:37:56,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:37:56,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 16:37:57,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 16:37:57,817 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 16:37:57,818 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 183 transitions, 1724 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:57,818 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:37:57,818 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 16:37:57,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:37:58,779 INFO L130 PetriNetUnfolder]: 1671/2956 cut-off events. [2023-08-29 16:37:58,779 INFO L131 PetriNetUnfolder]: For 14274/14274 co-relation queries the response was YES. [2023-08-29 16:37:58,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14197 conditions, 2956 events. 1671/2956 cut-off events. For 14274/14274 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 16637 event pairs, 374 based on Foata normal form. 24/2971 useless extension candidates. Maximal degree in co-relation 14172. Up to 1555 conditions per place. [2023-08-29 16:37:58,798 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 167 selfloop transitions, 120 changer transitions 0/307 dead transitions. [2023-08-29 16:37:58,798 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 307 transitions, 3435 flow [2023-08-29 16:37:58,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 16:37:58,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 16:37:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1817 transitions. [2023-08-29 16:37:58,803 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42955082742316786 [2023-08-29 16:37:58,803 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1817 transitions. [2023-08-29 16:37:58,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1817 transitions. [2023-08-29 16:37:58,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:37:58,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1817 transitions. [2023-08-29 16:37:58,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 181.7) internal successors, (1817), 10 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:58,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:58,814 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:58,814 INFO L175 Difference]: Start difference. First operand has 111 places, 183 transitions, 1724 flow. Second operand 10 states and 1817 transitions. [2023-08-29 16:37:58,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 307 transitions, 3435 flow [2023-08-29 16:37:58,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 307 transitions, 3420 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-08-29 16:37:58,858 INFO L231 Difference]: Finished difference. Result has 124 places, 243 transitions, 2934 flow [2023-08-29 16:37:58,858 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=1715, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2934, PETRI_PLACES=124, PETRI_TRANSITIONS=243} [2023-08-29 16:37:58,859 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 38 predicate places. [2023-08-29 16:37:58,859 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 243 transitions, 2934 flow [2023-08-29 16:37:58,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:37:58,860 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:37:58,860 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:37:58,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 16:37:58,860 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:37:58,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:37:58,861 INFO L85 PathProgramCache]: Analyzing trace with hash 46239022, now seen corresponding path program 2 times [2023-08-29 16:37:58,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:37:58,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660800258] [2023-08-29 16:37:58,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:37:58,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:37:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:37:59,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:37:59,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:37:59,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660800258] [2023-08-29 16:37:59,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660800258] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:37:59,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:37:59,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 16:37:59,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499711716] [2023-08-29 16:37:59,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:37:59,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 16:37:59,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:37:59,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 16:37:59,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 16:38:00,033 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 16:38:00,035 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 243 transitions, 2934 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:00,036 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:00,036 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 16:38:00,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:38:01,090 INFO L130 PetriNetUnfolder]: 2025/3577 cut-off events. [2023-08-29 16:38:01,091 INFO L131 PetriNetUnfolder]: For 25819/25819 co-relation queries the response was YES. [2023-08-29 16:38:01,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19514 conditions, 3577 events. 2025/3577 cut-off events. For 25819/25819 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 21262 event pairs, 446 based on Foata normal form. 24/3592 useless extension candidates. Maximal degree in co-relation 19483. Up to 2108 conditions per place. [2023-08-29 16:38:01,114 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 217 selfloop transitions, 173 changer transitions 0/410 dead transitions. [2023-08-29 16:38:01,114 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 410 transitions, 5662 flow [2023-08-29 16:38:01,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 16:38:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 16:38:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1822 transitions. [2023-08-29 16:38:01,152 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307328605200946 [2023-08-29 16:38:01,152 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1822 transitions. [2023-08-29 16:38:01,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1822 transitions. [2023-08-29 16:38:01,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:38:01,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1822 transitions. [2023-08-29 16:38:01,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 182.2) internal successors, (1822), 10 states have internal predecessors, (1822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:01,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:01,169 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:01,169 INFO L175 Difference]: Start difference. First operand has 124 places, 243 transitions, 2934 flow. Second operand 10 states and 1822 transitions. [2023-08-29 16:38:01,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 410 transitions, 5662 flow [2023-08-29 16:38:01,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 410 transitions, 5518 flow, removed 63 selfloop flow, removed 3 redundant places. [2023-08-29 16:38:01,266 INFO L231 Difference]: Finished difference. Result has 136 places, 331 transitions, 4770 flow [2023-08-29 16:38:01,267 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=2839, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4770, PETRI_PLACES=136, PETRI_TRANSITIONS=331} [2023-08-29 16:38:01,268 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 50 predicate places. [2023-08-29 16:38:01,268 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 331 transitions, 4770 flow [2023-08-29 16:38:01,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:01,269 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:38:01,269 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:38:01,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 16:38:01,269 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:38:01,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:38:01,270 INFO L85 PathProgramCache]: Analyzing trace with hash 884420874, now seen corresponding path program 3 times [2023-08-29 16:38:01,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:38:01,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77653600] [2023-08-29 16:38:01,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:38:01,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:38:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:38:01,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:38:01,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:38:01,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77653600] [2023-08-29 16:38:01,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77653600] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:38:01,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:38:01,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 16:38:01,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082960869] [2023-08-29 16:38:01,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:38:01,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 16:38:01,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:38:01,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 16:38:01,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 16:38:02,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 16:38:02,566 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 331 transitions, 4770 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:02,566 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:02,566 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 16:38:02,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:38:03,592 INFO L130 PetriNetUnfolder]: 2141/3804 cut-off events. [2023-08-29 16:38:03,593 INFO L131 PetriNetUnfolder]: For 36215/36215 co-relation queries the response was YES. [2023-08-29 16:38:03,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22886 conditions, 3804 events. 2141/3804 cut-off events. For 36215/36215 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 23251 event pairs, 447 based on Foata normal form. 24/3819 useless extension candidates. Maximal degree in co-relation 22850. Up to 2658 conditions per place. [2023-08-29 16:38:03,616 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 184 selfloop transitions, 204 changer transitions 0/408 dead transitions. [2023-08-29 16:38:03,617 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 408 transitions, 6348 flow [2023-08-29 16:38:03,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 16:38:03,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 16:38:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1639 transitions. [2023-08-29 16:38:03,621 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4305227213028631 [2023-08-29 16:38:03,621 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1639 transitions. [2023-08-29 16:38:03,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1639 transitions. [2023-08-29 16:38:03,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:38:03,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1639 transitions. [2023-08-29 16:38:03,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 182.11111111111111) internal successors, (1639), 9 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:03,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:03,629 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:03,629 INFO L175 Difference]: Start difference. First operand has 136 places, 331 transitions, 4770 flow. Second operand 9 states and 1639 transitions. [2023-08-29 16:38:03,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 408 transitions, 6348 flow [2023-08-29 16:38:03,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 408 transitions, 6239 flow, removed 43 selfloop flow, removed 3 redundant places. [2023-08-29 16:38:03,747 INFO L231 Difference]: Finished difference. Result has 144 places, 360 transitions, 5942 flow [2023-08-29 16:38:03,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=4669, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5942, PETRI_PLACES=144, PETRI_TRANSITIONS=360} [2023-08-29 16:38:03,748 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 58 predicate places. [2023-08-29 16:38:03,748 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 360 transitions, 5942 flow [2023-08-29 16:38:03,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:03,749 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:38:03,749 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:38:03,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 16:38:03,749 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:38:03,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:38:03,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1211064774, now seen corresponding path program 4 times [2023-08-29 16:38:03,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:38:03,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904376008] [2023-08-29 16:38:03,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:38:03,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:38:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:38:04,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:38:04,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:38:04,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904376008] [2023-08-29 16:38:04,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904376008] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:38:04,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:38:04,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 16:38:04,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957490221] [2023-08-29 16:38:04,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:38:04,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 16:38:04,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:38:04,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 16:38:04,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 16:38:05,094 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 16:38:05,096 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 360 transitions, 5942 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:05,096 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:05,096 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 16:38:05,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:38:06,595 INFO L130 PetriNetUnfolder]: 2310/4116 cut-off events. [2023-08-29 16:38:06,596 INFO L131 PetriNetUnfolder]: For 49939/49939 co-relation queries the response was YES. [2023-08-29 16:38:06,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26550 conditions, 4116 events. 2310/4116 cut-off events. For 49939/49939 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 25639 event pairs, 478 based on Foata normal form. 24/4131 useless extension candidates. Maximal degree in co-relation 26512. Up to 2499 conditions per place. [2023-08-29 16:38:06,624 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 230 selfloop transitions, 234 changer transitions 0/484 dead transitions. [2023-08-29 16:38:06,624 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 484 transitions, 8519 flow [2023-08-29 16:38:06,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 16:38:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 16:38:06,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1821 transitions. [2023-08-29 16:38:06,628 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43049645390070923 [2023-08-29 16:38:06,628 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1821 transitions. [2023-08-29 16:38:06,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1821 transitions. [2023-08-29 16:38:06,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:38:06,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1821 transitions. [2023-08-29 16:38:06,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 182.1) internal successors, (1821), 10 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:06,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:06,638 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:06,638 INFO L175 Difference]: Start difference. First operand has 144 places, 360 transitions, 5942 flow. Second operand 10 states and 1821 transitions. [2023-08-29 16:38:06,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 484 transitions, 8519 flow [2023-08-29 16:38:06,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 484 transitions, 8358 flow, removed 7 selfloop flow, removed 5 redundant places. [2023-08-29 16:38:06,810 INFO L231 Difference]: Finished difference. Result has 153 places, 416 transitions, 7682 flow [2023-08-29 16:38:06,810 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=5808, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7682, PETRI_PLACES=153, PETRI_TRANSITIONS=416} [2023-08-29 16:38:06,811 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 67 predicate places. [2023-08-29 16:38:06,811 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 416 transitions, 7682 flow [2023-08-29 16:38:06,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:06,812 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:38:06,812 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:38:06,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 16:38:06,813 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:38:06,813 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:38:06,813 INFO L85 PathProgramCache]: Analyzing trace with hash 891170814, now seen corresponding path program 5 times [2023-08-29 16:38:06,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:38:06,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255685054] [2023-08-29 16:38:06,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:38:06,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:38:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:38:07,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:38:07,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:38:07,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255685054] [2023-08-29 16:38:07,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255685054] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:38:07,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:38:07,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 16:38:07,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402324254] [2023-08-29 16:38:07,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:38:07,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 16:38:07,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:38:07,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 16:38:07,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 16:38:07,974 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 16:38:07,975 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 416 transitions, 7682 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:07,975 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:07,975 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 16:38:07,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:38:09,416 INFO L130 PetriNetUnfolder]: 2333/4193 cut-off events. [2023-08-29 16:38:09,416 INFO L131 PetriNetUnfolder]: For 62668/62668 co-relation queries the response was YES. [2023-08-29 16:38:09,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28990 conditions, 4193 events. 2333/4193 cut-off events. For 62668/62668 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 26478 event pairs, 547 based on Foata normal form. 24/4208 useless extension candidates. Maximal degree in co-relation 28947. Up to 2750 conditions per place. [2023-08-29 16:38:09,445 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 220 selfloop transitions, 259 changer transitions 0/499 dead transitions. [2023-08-29 16:38:09,446 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 499 transitions, 9600 flow [2023-08-29 16:38:09,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 16:38:09,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 16:38:09,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1818 transitions. [2023-08-29 16:38:09,450 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4297872340425532 [2023-08-29 16:38:09,450 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1818 transitions. [2023-08-29 16:38:09,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1818 transitions. [2023-08-29 16:38:09,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:38:09,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1818 transitions. [2023-08-29 16:38:09,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 181.8) internal successors, (1818), 10 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:09,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:09,460 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:09,460 INFO L175 Difference]: Start difference. First operand has 153 places, 416 transitions, 7682 flow. Second operand 10 states and 1818 transitions. [2023-08-29 16:38:09,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 499 transitions, 9600 flow [2023-08-29 16:38:09,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 499 transitions, 9450 flow, removed 57 selfloop flow, removed 3 redundant places. [2023-08-29 16:38:09,679 INFO L231 Difference]: Finished difference. Result has 163 places, 449 transitions, 9051 flow [2023-08-29 16:38:09,679 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=7546, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=228, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=9051, PETRI_PLACES=163, PETRI_TRANSITIONS=449} [2023-08-29 16:38:09,680 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 77 predicate places. [2023-08-29 16:38:09,681 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 449 transitions, 9051 flow [2023-08-29 16:38:09,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:09,681 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:38:09,681 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:38:09,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 16:38:09,682 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:38:09,682 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:38:09,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1211987799, now seen corresponding path program 4 times [2023-08-29 16:38:09,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:38:09,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265461479] [2023-08-29 16:38:09,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:38:09,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:38:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:38:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:38:10,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:38:10,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265461479] [2023-08-29 16:38:10,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265461479] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:38:10,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:38:10,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 16:38:10,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957337515] [2023-08-29 16:38:10,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:38:10,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 16:38:10,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:38:10,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 16:38:10,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 16:38:10,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 16:38:10,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 449 transitions, 9051 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:10,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:10,929 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 16:38:10,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:38:12,548 INFO L130 PetriNetUnfolder]: 2520/4535 cut-off events. [2023-08-29 16:38:12,548 INFO L131 PetriNetUnfolder]: For 80619/80619 co-relation queries the response was YES. [2023-08-29 16:38:12,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33447 conditions, 4535 events. 2520/4535 cut-off events. For 80619/80619 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 29305 event pairs, 675 based on Foata normal form. 24/4550 useless extension candidates. Maximal degree in co-relation 33400. Up to 2781 conditions per place. [2023-08-29 16:38:12,583 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 269 selfloop transitions, 301 changer transitions 0/590 dead transitions. [2023-08-29 16:38:12,583 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 590 transitions, 12650 flow [2023-08-29 16:38:12,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 16:38:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 16:38:12,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1816 transitions. [2023-08-29 16:38:12,587 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4293144208037825 [2023-08-29 16:38:12,587 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1816 transitions. [2023-08-29 16:38:12,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1816 transitions. [2023-08-29 16:38:12,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:38:12,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1816 transitions. [2023-08-29 16:38:12,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 181.6) internal successors, (1816), 10 states have internal predecessors, (1816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:12,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:12,596 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:12,596 INFO L175 Difference]: Start difference. First operand has 163 places, 449 transitions, 9051 flow. Second operand 10 states and 1816 transitions. [2023-08-29 16:38:12,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 590 transitions, 12650 flow [2023-08-29 16:38:12,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 590 transitions, 12485 flow, removed 36 selfloop flow, removed 4 redundant places. [2023-08-29 16:38:12,832 INFO L231 Difference]: Finished difference. Result has 173 places, 521 transitions, 11645 flow [2023-08-29 16:38:12,832 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=8916, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=231, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=11645, PETRI_PLACES=173, PETRI_TRANSITIONS=521} [2023-08-29 16:38:12,832 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 87 predicate places. [2023-08-29 16:38:12,832 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 521 transitions, 11645 flow [2023-08-29 16:38:12,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:12,833 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:38:12,833 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:38:12,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 16:38:12,833 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:38:12,834 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:38:12,834 INFO L85 PathProgramCache]: Analyzing trace with hash 891138729, now seen corresponding path program 5 times [2023-08-29 16:38:12,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:38:12,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562008855] [2023-08-29 16:38:12,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:38:12,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:38:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:38:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:38:13,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:38:13,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562008855] [2023-08-29 16:38:13,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562008855] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:38:13,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:38:13,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 16:38:13,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439820544] [2023-08-29 16:38:13,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:38:13,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 16:38:13,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:38:13,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 16:38:13,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 16:38:14,305 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 16:38:14,309 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 521 transitions, 11645 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:14,309 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:14,309 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 16:38:14,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:38:15,993 INFO L130 PetriNetUnfolder]: 2557/4636 cut-off events. [2023-08-29 16:38:15,993 INFO L131 PetriNetUnfolder]: For 96053/96053 co-relation queries the response was YES. [2023-08-29 16:38:16,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36438 conditions, 4636 events. 2557/4636 cut-off events. For 96053/96053 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 30356 event pairs, 732 based on Foata normal form. 24/4651 useless extension candidates. Maximal degree in co-relation 36386. Up to 3052 conditions per place. [2023-08-29 16:38:16,026 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 248 selfloop transitions, 341 changer transitions 0/609 dead transitions. [2023-08-29 16:38:16,026 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 609 transitions, 14192 flow [2023-08-29 16:38:16,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 16:38:16,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 16:38:16,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1813 transitions. [2023-08-29 16:38:16,029 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4286052009456265 [2023-08-29 16:38:16,029 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1813 transitions. [2023-08-29 16:38:16,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1813 transitions. [2023-08-29 16:38:16,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:38:16,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1813 transitions. [2023-08-29 16:38:16,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 181.3) internal successors, (1813), 10 states have internal predecessors, (1813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:16,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:16,036 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:16,036 INFO L175 Difference]: Start difference. First operand has 173 places, 521 transitions, 11645 flow. Second operand 10 states and 1813 transitions. [2023-08-29 16:38:16,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 609 transitions, 14192 flow [2023-08-29 16:38:16,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 609 transitions, 14006 flow, removed 75 selfloop flow, removed 3 redundant places. [2023-08-29 16:38:16,405 INFO L231 Difference]: Finished difference. Result has 183 places, 564 transitions, 13667 flow [2023-08-29 16:38:16,405 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=11473, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=300, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=13667, PETRI_PLACES=183, PETRI_TRANSITIONS=564} [2023-08-29 16:38:16,406 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 97 predicate places. [2023-08-29 16:38:16,406 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 564 transitions, 13667 flow [2023-08-29 16:38:16,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:16,406 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:38:16,406 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:38:16,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 16:38:16,406 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:38:16,407 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:38:16,407 INFO L85 PathProgramCache]: Analyzing trace with hash 677337730, now seen corresponding path program 1 times [2023-08-29 16:38:16,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:38:16,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527575104] [2023-08-29 16:38:16,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:38:16,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:38:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:38:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:38:16,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:38:16,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527575104] [2023-08-29 16:38:16,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527575104] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:38:16,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:38:16,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 16:38:16,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886103960] [2023-08-29 16:38:16,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:38:16,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 16:38:16,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:38:16,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 16:38:16,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 16:38:16,852 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 423 [2023-08-29 16:38:16,853 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 564 transitions, 13667 flow. Second operand has 6 states, 6 states have (on average 163.33333333333334) internal successors, (980), 6 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:16,853 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:16,853 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 423 [2023-08-29 16:38:16,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:38:17,766 INFO L130 PetriNetUnfolder]: 2336/4345 cut-off events. [2023-08-29 16:38:17,766 INFO L131 PetriNetUnfolder]: For 89611/89758 co-relation queries the response was YES. [2023-08-29 16:38:17,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35857 conditions, 4345 events. 2336/4345 cut-off events. For 89611/89758 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 29418 event pairs, 957 based on Foata normal form. 0/4305 useless extension candidates. Maximal degree in co-relation 35801. Up to 4022 conditions per place. [2023-08-29 16:38:17,806 INFO L137 encePairwiseOnDemand]: 417/423 looper letters, 497 selfloop transitions, 5 changer transitions 0/563 dead transitions. [2023-08-29 16:38:17,806 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 563 transitions, 14669 flow [2023-08-29 16:38:17,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 16:38:17,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 16:38:17,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1020 transitions. [2023-08-29 16:38:17,809 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40189125295508277 [2023-08-29 16:38:17,809 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1020 transitions. [2023-08-29 16:38:17,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1020 transitions. [2023-08-29 16:38:17,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:38:17,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1020 transitions. [2023-08-29 16:38:17,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 170.0) internal successors, (1020), 6 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:17,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:17,813 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:17,813 INFO L175 Difference]: Start difference. First operand has 183 places, 564 transitions, 13667 flow. Second operand 6 states and 1020 transitions. [2023-08-29 16:38:17,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 563 transitions, 14669 flow [2023-08-29 16:38:18,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 563 transitions, 14506 flow, removed 35 selfloop flow, removed 4 redundant places. [2023-08-29 16:38:18,165 INFO L231 Difference]: Finished difference. Result has 183 places, 563 transitions, 13512 flow [2023-08-29 16:38:18,165 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=13502, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=13512, PETRI_PLACES=183, PETRI_TRANSITIONS=563} [2023-08-29 16:38:18,165 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 97 predicate places. [2023-08-29 16:38:18,165 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 563 transitions, 13512 flow [2023-08-29 16:38:18,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.33333333333334) internal successors, (980), 6 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:18,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:38:18,166 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:38:18,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 16:38:18,166 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:38:18,166 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:38:18,167 INFO L85 PathProgramCache]: Analyzing trace with hash 384526313, now seen corresponding path program 1 times [2023-08-29 16:38:18,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:38:18,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356140871] [2023-08-29 16:38:18,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:38:18,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:38:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:38:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:38:18,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:38:18,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356140871] [2023-08-29 16:38:18,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356140871] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:38:18,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:38:18,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 16:38:18,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469832312] [2023-08-29 16:38:18,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:38:18,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 16:38:18,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:38:18,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 16:38:18,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-08-29 16:38:19,670 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 16:38:19,671 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 563 transitions, 13512 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:19,671 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:19,671 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 16:38:19,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:38:22,241 INFO L130 PetriNetUnfolder]: 4125/7516 cut-off events. [2023-08-29 16:38:22,241 INFO L131 PetriNetUnfolder]: For 166258/166258 co-relation queries the response was YES. [2023-08-29 16:38:22,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59634 conditions, 7516 events. 4125/7516 cut-off events. For 166258/166258 co-relation queries the response was YES. Maximal size of possible extension queue 401. Compared 54239 event pairs, 679 based on Foata normal form. 16/7519 useless extension candidates. Maximal degree in co-relation 59578. Up to 3306 conditions per place. [2023-08-29 16:38:22,300 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 639 selfloop transitions, 207 changer transitions 0/865 dead transitions. [2023-08-29 16:38:22,300 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 865 transitions, 20582 flow [2023-08-29 16:38:22,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 16:38:22,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 16:38:22,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2383 transitions. [2023-08-29 16:38:22,303 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43335151845790143 [2023-08-29 16:38:22,303 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2383 transitions. [2023-08-29 16:38:22,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2383 transitions. [2023-08-29 16:38:22,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:38:22,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2383 transitions. [2023-08-29 16:38:22,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 183.30769230769232) internal successors, (2383), 13 states have internal predecessors, (2383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:22,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 423.0) internal successors, (5922), 14 states have internal predecessors, (5922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:22,311 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 423.0) internal successors, (5922), 14 states have internal predecessors, (5922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:22,311 INFO L175 Difference]: Start difference. First operand has 183 places, 563 transitions, 13512 flow. Second operand 13 states and 2383 transitions. [2023-08-29 16:38:22,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 865 transitions, 20582 flow [2023-08-29 16:38:23,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 865 transitions, 20552 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 16:38:23,144 INFO L231 Difference]: Finished difference. Result has 198 places, 649 transitions, 16667 flow [2023-08-29 16:38:23,144 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=13502, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=124, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16667, PETRI_PLACES=198, PETRI_TRANSITIONS=649} [2023-08-29 16:38:23,145 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 112 predicate places. [2023-08-29 16:38:23,145 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 649 transitions, 16667 flow [2023-08-29 16:38:23,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:23,145 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:38:23,146 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:38:23,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 16:38:23,146 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:38:23,146 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:38:23,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1867631771, now seen corresponding path program 2 times [2023-08-29 16:38:23,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:38:23,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516657291] [2023-08-29 16:38:23,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:38:23,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:38:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:38:23,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:38:23,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:38:23,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516657291] [2023-08-29 16:38:23,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516657291] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:38:23,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:38:23,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 16:38:23,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868839328] [2023-08-29 16:38:23,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:38:23,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 16:38:23,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:38:23,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 16:38:23,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 16:38:24,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 16:38:24,861 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 649 transitions, 16667 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:24,861 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:24,861 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 16:38:24,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:38:27,910 INFO L130 PetriNetUnfolder]: 4276/7764 cut-off events. [2023-08-29 16:38:27,910 INFO L131 PetriNetUnfolder]: For 206718/206728 co-relation queries the response was YES. [2023-08-29 16:38:27,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65517 conditions, 7764 events. 4276/7764 cut-off events. For 206718/206728 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 56688 event pairs, 613 based on Foata normal form. 18/7779 useless extension candidates. Maximal degree in co-relation 65453. Up to 4165 conditions per place. [2023-08-29 16:38:27,980 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 550 selfloop transitions, 211 changer transitions 0/780 dead transitions. [2023-08-29 16:38:27,980 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 780 transitions, 19936 flow [2023-08-29 16:38:27,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 16:38:27,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 16:38:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2358 transitions. [2023-08-29 16:38:27,988 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4288052373158756 [2023-08-29 16:38:27,988 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2358 transitions. [2023-08-29 16:38:27,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2358 transitions. [2023-08-29 16:38:27,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:38:27,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2358 transitions. [2023-08-29 16:38:27,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 181.3846153846154) internal successors, (2358), 13 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:27,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 423.0) internal successors, (5922), 14 states have internal predecessors, (5922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:27,995 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 423.0) internal successors, (5922), 14 states have internal predecessors, (5922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:27,995 INFO L175 Difference]: Start difference. First operand has 198 places, 649 transitions, 16667 flow. Second operand 13 states and 2358 transitions. [2023-08-29 16:38:27,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 780 transitions, 19936 flow [2023-08-29 16:38:28,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 780 transitions, 19853 flow, removed 8 selfloop flow, removed 4 redundant places. [2023-08-29 16:38:28,962 INFO L231 Difference]: Finished difference. Result has 211 places, 677 transitions, 18085 flow [2023-08-29 16:38:28,962 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=16603, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=649, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18085, PETRI_PLACES=211, PETRI_TRANSITIONS=677} [2023-08-29 16:38:28,962 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 125 predicate places. [2023-08-29 16:38:28,963 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 677 transitions, 18085 flow [2023-08-29 16:38:28,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:28,963 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:38:28,963 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:38:28,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 16:38:28,963 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:38:28,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:38:28,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1017124957, now seen corresponding path program 3 times [2023-08-29 16:38:28,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:38:28,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911044848] [2023-08-29 16:38:28,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:38:28,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:38:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:38:29,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:38:29,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:38:29,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911044848] [2023-08-29 16:38:29,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911044848] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:38:29,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:38:29,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 16:38:29,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456810653] [2023-08-29 16:38:29,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:38:29,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 16:38:29,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:38:29,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 16:38:29,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-29 16:38:30,526 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 16:38:30,528 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 677 transitions, 18085 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:30,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:30,528 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 16:38:30,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:38:33,729 INFO L130 PetriNetUnfolder]: 4422/8128 cut-off events. [2023-08-29 16:38:33,729 INFO L131 PetriNetUnfolder]: For 246533/246533 co-relation queries the response was YES. [2023-08-29 16:38:33,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70578 conditions, 8128 events. 4422/8128 cut-off events. For 246533/246533 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 60027 event pairs, 759 based on Foata normal form. 16/8131 useless extension candidates. Maximal degree in co-relation 70509. Up to 3617 conditions per place. [2023-08-29 16:38:33,829 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 669 selfloop transitions, 222 changer transitions 0/910 dead transitions. [2023-08-29 16:38:33,829 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 910 transitions, 23523 flow [2023-08-29 16:38:33,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 16:38:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 16:38:33,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2562 transitions. [2023-08-29 16:38:33,832 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4326241134751773 [2023-08-29 16:38:33,832 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2562 transitions. [2023-08-29 16:38:33,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2562 transitions. [2023-08-29 16:38:33,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:38:33,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2562 transitions. [2023-08-29 16:38:33,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 183.0) internal successors, (2562), 14 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:33,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 423.0) internal successors, (6345), 15 states have internal predecessors, (6345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:33,841 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 423.0) internal successors, (6345), 15 states have internal predecessors, (6345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:33,841 INFO L175 Difference]: Start difference. First operand has 211 places, 677 transitions, 18085 flow. Second operand 14 states and 2562 transitions. [2023-08-29 16:38:33,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 910 transitions, 23523 flow [2023-08-29 16:38:35,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 910 transitions, 23433 flow, removed 5 selfloop flow, removed 6 redundant places. [2023-08-29 16:38:35,108 INFO L231 Difference]: Finished difference. Result has 223 places, 693 transitions, 18977 flow [2023-08-29 16:38:35,109 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=18017, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=677, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=206, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=18977, PETRI_PLACES=223, PETRI_TRANSITIONS=693} [2023-08-29 16:38:35,109 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 137 predicate places. [2023-08-29 16:38:35,109 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 693 transitions, 18977 flow [2023-08-29 16:38:35,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:35,110 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:38:35,110 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:38:35,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 16:38:35,110 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:38:35,111 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:38:35,111 INFO L85 PathProgramCache]: Analyzing trace with hash 869501923, now seen corresponding path program 4 times [2023-08-29 16:38:35,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:38:35,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772050899] [2023-08-29 16:38:35,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:38:35,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:38:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:38:35,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:38:35,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:38:35,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772050899] [2023-08-29 16:38:35,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772050899] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:38:35,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:38:35,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 16:38:35,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673463103] [2023-08-29 16:38:35,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:38:35,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 16:38:35,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:38:35,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 16:38:35,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-29 16:38:36,593 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 16:38:36,594 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 693 transitions, 18977 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:36,594 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:36,594 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 16:38:36,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:38:39,953 INFO L130 PetriNetUnfolder]: 4653/8517 cut-off events. [2023-08-29 16:38:39,953 INFO L131 PetriNetUnfolder]: For 289623/289633 co-relation queries the response was YES. [2023-08-29 16:38:40,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76400 conditions, 8517 events. 4653/8517 cut-off events. For 289623/289633 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 63806 event pairs, 616 based on Foata normal form. 18/8532 useless extension candidates. Maximal degree in co-relation 76326. Up to 3863 conditions per place. [2023-08-29 16:38:40,036 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 511 selfloop transitions, 316 changer transitions 0/846 dead transitions. [2023-08-29 16:38:40,036 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 846 transitions, 22723 flow [2023-08-29 16:38:40,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-29 16:38:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-29 16:38:40,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3246 transitions. [2023-08-29 16:38:40,039 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42631993695823484 [2023-08-29 16:38:40,039 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3246 transitions. [2023-08-29 16:38:40,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3246 transitions. [2023-08-29 16:38:40,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:38:40,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3246 transitions. [2023-08-29 16:38:40,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 180.33333333333334) internal successors, (3246), 18 states have internal predecessors, (3246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:40,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 423.0) internal successors, (8037), 19 states have internal predecessors, (8037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:40,045 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 423.0) internal successors, (8037), 19 states have internal predecessors, (8037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:40,046 INFO L175 Difference]: Start difference. First operand has 223 places, 693 transitions, 18977 flow. Second operand 18 states and 3246 transitions. [2023-08-29 16:38:40,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 846 transitions, 22723 flow [2023-08-29 16:38:41,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 846 transitions, 22493 flow, removed 9 selfloop flow, removed 6 redundant places. [2023-08-29 16:38:41,476 INFO L231 Difference]: Finished difference. Result has 239 places, 737 transitions, 20893 flow [2023-08-29 16:38:41,477 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=18777, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=272, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=20893, PETRI_PLACES=239, PETRI_TRANSITIONS=737} [2023-08-29 16:38:41,477 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 153 predicate places. [2023-08-29 16:38:41,477 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 737 transitions, 20893 flow [2023-08-29 16:38:41,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:41,477 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:38:41,478 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:38:41,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 16:38:41,478 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:38:41,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:38:41,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1342677037, now seen corresponding path program 5 times [2023-08-29 16:38:41,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:38:41,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112753850] [2023-08-29 16:38:41,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:38:41,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:38:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:38:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:38:41,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:38:41,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112753850] [2023-08-29 16:38:41,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112753850] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:38:41,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:38:41,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 16:38:41,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026564571] [2023-08-29 16:38:41,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:38:41,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 16:38:41,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:38:41,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 16:38:41,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 16:38:42,967 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 423 [2023-08-29 16:38:42,968 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 737 transitions, 20893 flow. Second operand has 13 states, 13 states have (on average 168.15384615384616) internal successors, (2186), 13 states have internal predecessors, (2186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:42,968 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:42,968 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 423 [2023-08-29 16:38:42,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:38:46,804 INFO L130 PetriNetUnfolder]: 4830/8932 cut-off events. [2023-08-29 16:38:46,805 INFO L131 PetriNetUnfolder]: For 328635/328635 co-relation queries the response was YES. [2023-08-29 16:38:46,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82321 conditions, 8932 events. 4830/8932 cut-off events. For 328635/328635 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 67615 event pairs, 819 based on Foata normal form. 16/8935 useless extension candidates. Maximal degree in co-relation 82242. Up to 4025 conditions per place. [2023-08-29 16:38:46,903 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 719 selfloop transitions, 238 changer transitions 0/976 dead transitions. [2023-08-29 16:38:46,903 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 976 transitions, 26964 flow [2023-08-29 16:38:46,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-29 16:38:46,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-29 16:38:46,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2696 transitions. [2023-08-29 16:38:46,907 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4249014972419228 [2023-08-29 16:38:46,907 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2696 transitions. [2023-08-29 16:38:46,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2696 transitions. [2023-08-29 16:38:46,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:38:46,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2696 transitions. [2023-08-29 16:38:46,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 179.73333333333332) internal successors, (2696), 15 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:46,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 423.0) internal successors, (6768), 16 states have internal predecessors, (6768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:46,914 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 423.0) internal successors, (6768), 16 states have internal predecessors, (6768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:46,914 INFO L175 Difference]: Start difference. First operand has 239 places, 737 transitions, 20893 flow. Second operand 15 states and 2696 transitions. [2023-08-29 16:38:46,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 976 transitions, 26964 flow [2023-08-29 16:38:48,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 976 transitions, 26700 flow, removed 128 selfloop flow, removed 3 redundant places. [2023-08-29 16:38:48,678 INFO L231 Difference]: Finished difference. Result has 257 places, 757 transitions, 21839 flow [2023-08-29 16:38:48,679 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=20683, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=737, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=21839, PETRI_PLACES=257, PETRI_TRANSITIONS=757} [2023-08-29 16:38:48,679 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 171 predicate places. [2023-08-29 16:38:48,679 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 757 transitions, 21839 flow [2023-08-29 16:38:48,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 168.15384615384616) internal successors, (2186), 13 states have internal predecessors, (2186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:48,680 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:38:48,680 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:38:48,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 16:38:48,680 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:38:48,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:38:48,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1190304493, now seen corresponding path program 6 times [2023-08-29 16:38:48,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:38:48,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403808266] [2023-08-29 16:38:48,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:38:48,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:38:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:38:49,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:38:49,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:38:49,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403808266] [2023-08-29 16:38:49,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403808266] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:38:49,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:38:49,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 16:38:49,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52894633] [2023-08-29 16:38:49,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:38:49,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 16:38:49,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:38:49,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 16:38:49,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-08-29 16:38:50,146 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 16:38:50,147 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 757 transitions, 21839 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:50,147 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:50,147 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 16:38:50,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:38:53,437 INFO L130 PetriNetUnfolder]: 5106/9394 cut-off events. [2023-08-29 16:38:53,437 INFO L131 PetriNetUnfolder]: For 373628/373638 co-relation queries the response was YES. [2023-08-29 16:38:53,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88994 conditions, 9394 events. 5106/9394 cut-off events. For 373628/373638 co-relation queries the response was YES. Maximal size of possible extension queue 527. Compared 71853 event pairs, 700 based on Foata normal form. 18/9409 useless extension candidates. Maximal degree in co-relation 88908. Up to 4305 conditions per place. [2023-08-29 16:38:53,707 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 579 selfloop transitions, 326 changer transitions 0/924 dead transitions. [2023-08-29 16:38:53,708 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 924 transitions, 26296 flow [2023-08-29 16:38:53,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-29 16:38:53,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-29 16:38:53,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3250 transitions. [2023-08-29 16:38:53,711 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42684528500131336 [2023-08-29 16:38:53,711 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3250 transitions. [2023-08-29 16:38:53,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3250 transitions. [2023-08-29 16:38:53,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:38:53,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3250 transitions. [2023-08-29 16:38:53,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 180.55555555555554) internal successors, (3250), 18 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:53,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 423.0) internal successors, (8037), 19 states have internal predecessors, (8037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:53,721 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 423.0) internal successors, (8037), 19 states have internal predecessors, (8037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:53,721 INFO L175 Difference]: Start difference. First operand has 257 places, 757 transitions, 21839 flow. Second operand 18 states and 3250 transitions. [2023-08-29 16:38:53,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 924 transitions, 26296 flow [2023-08-29 16:38:55,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 924 transitions, 25871 flow, removed 22 selfloop flow, removed 7 redundant places. [2023-08-29 16:38:55,801 INFO L231 Difference]: Finished difference. Result has 273 places, 822 transitions, 24483 flow [2023-08-29 16:38:55,802 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=21479, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=757, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=268, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=24483, PETRI_PLACES=273, PETRI_TRANSITIONS=822} [2023-08-29 16:38:55,802 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 187 predicate places. [2023-08-29 16:38:55,803 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 822 transitions, 24483 flow [2023-08-29 16:38:55,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:55,803 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:38:55,803 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:38:55,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 16:38:55,804 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:38:55,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:38:55,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1117777293, now seen corresponding path program 7 times [2023-08-29 16:38:55,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:38:55,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002341388] [2023-08-29 16:38:55,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:38:55,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:38:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:38:56,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:38:56,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:38:56,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002341388] [2023-08-29 16:38:56,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002341388] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:38:56,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:38:56,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 16:38:56,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356149084] [2023-08-29 16:38:56,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:38:56,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 16:38:56,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:38:56,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 16:38:56,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-08-29 16:38:57,073 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 16:38:57,074 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 822 transitions, 24483 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:38:57,074 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:38:57,074 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 16:38:57,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:39:01,550 INFO L130 PetriNetUnfolder]: 5314/9860 cut-off events. [2023-08-29 16:39:01,551 INFO L131 PetriNetUnfolder]: For 431794/431794 co-relation queries the response was YES. [2023-08-29 16:39:01,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95388 conditions, 9860 events. 5314/9860 cut-off events. For 431794/431794 co-relation queries the response was YES. Maximal size of possible extension queue 552. Compared 76168 event pairs, 692 based on Foata normal form. 16/9863 useless extension candidates. Maximal degree in co-relation 95296. Up to 4489 conditions per place. [2023-08-29 16:39:01,662 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 666 selfloop transitions, 408 changer transitions 0/1093 dead transitions. [2023-08-29 16:39:01,662 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 1093 transitions, 31410 flow [2023-08-29 16:39:01,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-08-29 16:39:01,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-08-29 16:39:01,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3993 transitions. [2023-08-29 16:39:01,666 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42907801418439717 [2023-08-29 16:39:01,666 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 3993 transitions. [2023-08-29 16:39:01,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 3993 transitions. [2023-08-29 16:39:01,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:39:01,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 3993 transitions. [2023-08-29 16:39:01,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 181.5) internal successors, (3993), 22 states have internal predecessors, (3993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:01,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 423.0) internal successors, (9729), 23 states have internal predecessors, (9729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:01,677 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 423.0) internal successors, (9729), 23 states have internal predecessors, (9729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:01,678 INFO L175 Difference]: Start difference. First operand has 273 places, 822 transitions, 24483 flow. Second operand 22 states and 3993 transitions. [2023-08-29 16:39:01,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 1093 transitions, 31410 flow [2023-08-29 16:39:04,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 1093 transitions, 31245 flow, removed 52 selfloop flow, removed 5 redundant places. [2023-08-29 16:39:04,442 INFO L231 Difference]: Finished difference. Result has 299 places, 849 transitions, 26246 flow [2023-08-29 16:39:04,442 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=24336, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=822, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=381, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=26246, PETRI_PLACES=299, PETRI_TRANSITIONS=849} [2023-08-29 16:39:04,443 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 213 predicate places. [2023-08-29 16:39:04,443 INFO L495 AbstractCegarLoop]: Abstraction has has 299 places, 849 transitions, 26246 flow [2023-08-29 16:39:04,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:04,443 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:39:04,443 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:39:04,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 16:39:04,443 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:39:04,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:39:04,444 INFO L85 PathProgramCache]: Analyzing trace with hash 135165731, now seen corresponding path program 8 times [2023-08-29 16:39:04,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:39:04,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98734359] [2023-08-29 16:39:04,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:39:04,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:39:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:39:04,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:39:04,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:39:04,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98734359] [2023-08-29 16:39:04,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98734359] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:39:04,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:39:04,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 16:39:04,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534605315] [2023-08-29 16:39:04,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:39:04,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 16:39:04,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:39:04,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 16:39:04,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-08-29 16:39:05,720 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 16:39:05,721 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 849 transitions, 26246 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:05,721 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:39:05,721 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 16:39:05,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:39:09,811 INFO L130 PetriNetUnfolder]: 5628/10384 cut-off events. [2023-08-29 16:39:09,812 INFO L131 PetriNetUnfolder]: For 498842/498852 co-relation queries the response was YES. [2023-08-29 16:39:09,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104425 conditions, 10384 events. 5628/10384 cut-off events. For 498842/498852 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 81410 event pairs, 794 based on Foata normal form. 18/10399 useless extension candidates. Maximal degree in co-relation 104323. Up to 4797 conditions per place. [2023-08-29 16:39:09,933 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 657 selfloop transitions, 349 changer transitions 0/1025 dead transitions. [2023-08-29 16:39:09,934 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 1025 transitions, 30926 flow [2023-08-29 16:39:09,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-08-29 16:39:09,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-08-29 16:39:09,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3956 transitions. [2023-08-29 16:39:09,937 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42510208467655275 [2023-08-29 16:39:09,938 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 3956 transitions. [2023-08-29 16:39:09,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 3956 transitions. [2023-08-29 16:39:09,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:39:09,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 3956 transitions. [2023-08-29 16:39:09,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 179.8181818181818) internal successors, (3956), 22 states have internal predecessors, (3956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:09,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 423.0) internal successors, (9729), 23 states have internal predecessors, (9729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:09,949 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 423.0) internal successors, (9729), 23 states have internal predecessors, (9729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:09,949 INFO L175 Difference]: Start difference. First operand has 299 places, 849 transitions, 26246 flow. Second operand 22 states and 3956 transitions. [2023-08-29 16:39:09,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 1025 transitions, 30926 flow [2023-08-29 16:39:13,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 1025 transitions, 30220 flow, removed 141 selfloop flow, removed 7 redundant places. [2023-08-29 16:39:13,051 INFO L231 Difference]: Finished difference. Result has 322 places, 909 transitions, 28457 flow [2023-08-29 16:39:13,052 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=25589, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=849, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=289, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=28457, PETRI_PLACES=322, PETRI_TRANSITIONS=909} [2023-08-29 16:39:13,052 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 236 predicate places. [2023-08-29 16:39:13,053 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 909 transitions, 28457 flow [2023-08-29 16:39:13,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:13,053 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:39:13,053 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:39:13,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-29 16:39:13,054 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:39:13,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:39:13,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1177211551, now seen corresponding path program 9 times [2023-08-29 16:39:13,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:39:13,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585234529] [2023-08-29 16:39:13,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:39:13,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:39:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:39:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:39:13,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:39:13,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585234529] [2023-08-29 16:39:13,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585234529] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:39:13,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:39:13,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 16:39:13,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505745982] [2023-08-29 16:39:13,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:39:13,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 16:39:13,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:39:13,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 16:39:13,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 16:39:14,469 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 16:39:14,470 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 909 transitions, 28457 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:14,470 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:39:14,470 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 16:39:14,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:39:19,414 INFO L130 PetriNetUnfolder]: 5604/10379 cut-off events. [2023-08-29 16:39:19,414 INFO L131 PetriNetUnfolder]: For 521012/521017 co-relation queries the response was YES. [2023-08-29 16:39:19,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106911 conditions, 10379 events. 5604/10379 cut-off events. For 521012/521017 co-relation queries the response was YES. Maximal size of possible extension queue 595. Compared 81360 event pairs, 795 based on Foata normal form. 17/10388 useless extension candidates. Maximal degree in co-relation 106805. Up to 4781 conditions per place. [2023-08-29 16:39:19,552 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 824 selfloop transitions, 299 changer transitions 0/1142 dead transitions. [2023-08-29 16:39:19,552 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 1142 transitions, 35111 flow [2023-08-29 16:39:19,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-08-29 16:39:19,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-08-29 16:39:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3617 transitions. [2023-08-29 16:39:19,556 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4275413711583924 [2023-08-29 16:39:19,556 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3617 transitions. [2023-08-29 16:39:19,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3617 transitions. [2023-08-29 16:39:19,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:39:19,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3617 transitions. [2023-08-29 16:39:19,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 180.85) internal successors, (3617), 20 states have internal predecessors, (3617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:19,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 423.0) internal successors, (8883), 21 states have internal predecessors, (8883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:19,569 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 423.0) internal successors, (8883), 21 states have internal predecessors, (8883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:19,569 INFO L175 Difference]: Start difference. First operand has 322 places, 909 transitions, 28457 flow. Second operand 20 states and 3617 transitions. [2023-08-29 16:39:19,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 1142 transitions, 35111 flow [2023-08-29 16:39:23,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 1142 transitions, 34893 flow, removed 105 selfloop flow, removed 3 redundant places. [2023-08-29 16:39:23,582 INFO L231 Difference]: Finished difference. Result has 343 places, 922 transitions, 29302 flow [2023-08-29 16:39:23,583 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=28283, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=909, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=614, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=29302, PETRI_PLACES=343, PETRI_TRANSITIONS=922} [2023-08-29 16:39:23,583 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 257 predicate places. [2023-08-29 16:39:23,583 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 922 transitions, 29302 flow [2023-08-29 16:39:23,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:23,584 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:39:23,584 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:39:23,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-29 16:39:23,584 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:39:23,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:39:23,584 INFO L85 PathProgramCache]: Analyzing trace with hash 150334581, now seen corresponding path program 10 times [2023-08-29 16:39:23,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:39:23,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003271013] [2023-08-29 16:39:23,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:39:23,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:39:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:39:24,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:39:24,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:39:24,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003271013] [2023-08-29 16:39:24,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003271013] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:39:24,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:39:24,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 16:39:24,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459767421] [2023-08-29 16:39:24,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:39:24,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 16:39:24,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:39:24,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 16:39:24,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-29 16:39:24,857 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 16:39:24,858 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 922 transitions, 29302 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:24,858 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:39:24,859 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 16:39:24,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:39:30,105 INFO L130 PetriNetUnfolder]: 7305/13459 cut-off events. [2023-08-29 16:39:30,105 INFO L131 PetriNetUnfolder]: For 697198/697208 co-relation queries the response was YES. [2023-08-29 16:39:30,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137709 conditions, 13459 events. 7305/13459 cut-off events. For 697198/697208 co-relation queries the response was YES. Maximal size of possible extension queue 775. Compared 109868 event pairs, 993 based on Foata normal form. 18/13469 useless extension candidates. Maximal degree in co-relation 137598. Up to 6232 conditions per place. [2023-08-29 16:39:30,261 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 869 selfloop transitions, 373 changer transitions 0/1261 dead transitions. [2023-08-29 16:39:30,261 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 1261 transitions, 39801 flow [2023-08-29 16:39:30,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-29 16:39:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-29 16:39:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2915 transitions. [2023-08-29 16:39:30,263 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307033096926714 [2023-08-29 16:39:30,263 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2915 transitions. [2023-08-29 16:39:30,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2915 transitions. [2023-08-29 16:39:30,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:39:30,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2915 transitions. [2023-08-29 16:39:30,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 182.1875) internal successors, (2915), 16 states have internal predecessors, (2915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:30,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 423.0) internal successors, (7191), 17 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:30,271 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 423.0) internal successors, (7191), 17 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:30,271 INFO L175 Difference]: Start difference. First operand has 343 places, 922 transitions, 29302 flow. Second operand 16 states and 2915 transitions. [2023-08-29 16:39:30,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 1261 transitions, 39801 flow [2023-08-29 16:39:36,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 1261 transitions, 39192 flow, removed 18 selfloop flow, removed 9 redundant places. [2023-08-29 16:39:36,188 INFO L231 Difference]: Finished difference. Result has 358 places, 1046 transitions, 34854 flow [2023-08-29 16:39:36,189 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=28844, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=922, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=588, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=34854, PETRI_PLACES=358, PETRI_TRANSITIONS=1046} [2023-08-29 16:39:36,189 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 272 predicate places. [2023-08-29 16:39:36,189 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 1046 transitions, 34854 flow [2023-08-29 16:39:36,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:36,190 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:39:36,190 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:39:36,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-29 16:39:36,190 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:39:36,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:39:36,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2045596497, now seen corresponding path program 11 times [2023-08-29 16:39:36,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:39:36,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160841718] [2023-08-29 16:39:36,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:39:36,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:39:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:39:36,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:39:36,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:39:36,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160841718] [2023-08-29 16:39:36,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160841718] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:39:36,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:39:36,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 16:39:36,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745500764] [2023-08-29 16:39:36,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:39:36,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 16:39:36,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:39:36,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 16:39:36,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 16:39:37,533 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 16:39:37,534 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 1046 transitions, 34854 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:37,534 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:39:37,534 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 16:39:37,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:39:44,769 INFO L130 PetriNetUnfolder]: 7922/14840 cut-off events. [2023-08-29 16:39:44,770 INFO L131 PetriNetUnfolder]: For 849996/849996 co-relation queries the response was YES. [2023-08-29 16:39:44,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153993 conditions, 14840 events. 7922/14840 cut-off events. For 849996/849996 co-relation queries the response was YES. Maximal size of possible extension queue 841. Compared 125458 event pairs, 1552 based on Foata normal form. 16/14838 useless extension candidates. Maximal degree in co-relation 153873. Up to 6870 conditions per place. [2023-08-29 16:39:45,049 INFO L137 encePairwiseOnDemand]: 406/423 looper letters, 779 selfloop transitions, 534 changer transitions 0/1332 dead transitions. [2023-08-29 16:39:45,049 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 1332 transitions, 45092 flow [2023-08-29 16:39:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-29 16:39:45,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-29 16:39:45,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2925 transitions. [2023-08-29 16:39:45,051 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4321808510638298 [2023-08-29 16:39:45,051 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2925 transitions. [2023-08-29 16:39:45,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2925 transitions. [2023-08-29 16:39:45,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:39:45,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2925 transitions. [2023-08-29 16:39:45,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 182.8125) internal successors, (2925), 16 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:45,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 423.0) internal successors, (7191), 17 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:45,058 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 423.0) internal successors, (7191), 17 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:45,058 INFO L175 Difference]: Start difference. First operand has 358 places, 1046 transitions, 34854 flow. Second operand 16 states and 2925 transitions. [2023-08-29 16:39:45,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 1332 transitions, 45092 flow [2023-08-29 16:39:52,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 1332 transitions, 44860 flow, removed 55 selfloop flow, removed 5 redundant places. [2023-08-29 16:39:52,037 INFO L231 Difference]: Finished difference. Result has 377 places, 1159 transitions, 41507 flow [2023-08-29 16:39:52,037 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=34640, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=421, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=41507, PETRI_PLACES=377, PETRI_TRANSITIONS=1159} [2023-08-29 16:39:52,038 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 291 predicate places. [2023-08-29 16:39:52,038 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 1159 transitions, 41507 flow [2023-08-29 16:39:52,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:52,038 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:39:52,039 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:39:52,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-29 16:39:52,039 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:39:52,039 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:39:52,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1344052219, now seen corresponding path program 12 times [2023-08-29 16:39:52,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:39:52,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400472105] [2023-08-29 16:39:52,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:39:52,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:39:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:39:52,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:39:52,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:39:52,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400472105] [2023-08-29 16:39:52,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400472105] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:39:52,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:39:52,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 16:39:52,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085229507] [2023-08-29 16:39:52,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:39:52,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 16:39:52,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:39:52,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 16:39:52,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-29 16:39:53,344 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 16:39:53,345 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 1159 transitions, 41507 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:39:53,345 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:39:53,345 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 16:39:53,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:40:00,389 INFO L130 PetriNetUnfolder]: 7898/14765 cut-off events. [2023-08-29 16:40:00,389 INFO L131 PetriNetUnfolder]: For 906749/906754 co-relation queries the response was YES. [2023-08-29 16:40:00,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158610 conditions, 14765 events. 7898/14765 cut-off events. For 906749/906754 co-relation queries the response was YES. Maximal size of possible extension queue 844. Compared 124746 event pairs, 1256 based on Foata normal form. 17/14769 useless extension candidates. Maximal degree in co-relation 158481. Up to 6854 conditions per place. [2023-08-29 16:40:00,575 INFO L137 encePairwiseOnDemand]: 406/423 looper letters, 1009 selfloop transitions, 412 changer transitions 0/1440 dead transitions. [2023-08-29 16:40:00,575 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 1440 transitions, 49543 flow [2023-08-29 16:40:00,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-29 16:40:00,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-29 16:40:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2932 transitions. [2023-08-29 16:40:00,578 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43321513002364065 [2023-08-29 16:40:00,578 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2932 transitions. [2023-08-29 16:40:00,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2932 transitions. [2023-08-29 16:40:00,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:40:00,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2932 transitions. [2023-08-29 16:40:00,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 183.25) internal successors, (2932), 16 states have internal predecessors, (2932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:00,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 423.0) internal successors, (7191), 17 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:00,583 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 423.0) internal successors, (7191), 17 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:00,583 INFO L175 Difference]: Start difference. First operand has 377 places, 1159 transitions, 41507 flow. Second operand 16 states and 2932 transitions. [2023-08-29 16:40:00,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 1440 transitions, 49543 flow [2023-08-29 16:40:08,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 1440 transitions, 48673 flow, removed 31 selfloop flow, removed 7 redundant places. [2023-08-29 16:40:08,367 INFO L231 Difference]: Finished difference. Result has 393 places, 1223 transitions, 44245 flow [2023-08-29 16:40:08,368 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=40697, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=348, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=755, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=44245, PETRI_PLACES=393, PETRI_TRANSITIONS=1223} [2023-08-29 16:40:08,368 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 307 predicate places. [2023-08-29 16:40:08,368 INFO L495 AbstractCegarLoop]: Abstraction has has 393 places, 1223 transitions, 44245 flow [2023-08-29 16:40:08,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:08,372 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:40:08,372 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:40:08,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-29 16:40:08,373 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:40:08,373 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:40:08,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1109598488, now seen corresponding path program 1 times [2023-08-29 16:40:08,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:40:08,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631856574] [2023-08-29 16:40:08,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:40:08,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:40:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:40:08,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:40:08,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:40:08,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631856574] [2023-08-29 16:40:08,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631856574] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:40:08,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:40:08,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 16:40:08,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603863193] [2023-08-29 16:40:08,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:40:08,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 16:40:08,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:40:08,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 16:40:08,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 16:40:08,862 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 423 [2023-08-29 16:40:08,863 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 1223 transitions, 44245 flow. Second operand has 6 states, 6 states have (on average 173.5) internal successors, (1041), 6 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:08,863 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:40:08,863 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 423 [2023-08-29 16:40:08,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:40:14,319 INFO L130 PetriNetUnfolder]: 5635/11732 cut-off events. [2023-08-29 16:40:14,319 INFO L131 PetriNetUnfolder]: For 654808/656772 co-relation queries the response was YES. [2023-08-29 16:40:14,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129025 conditions, 11732 events. 5635/11732 cut-off events. For 654808/656772 co-relation queries the response was YES. Maximal size of possible extension queue 866. Compared 109323 event pairs, 2404 based on Foata normal form. 138/11346 useless extension candidates. Maximal degree in co-relation 128887. Up to 10081 conditions per place. [2023-08-29 16:40:14,481 INFO L137 encePairwiseOnDemand]: 418/423 looper letters, 904 selfloop transitions, 4 changer transitions 0/1222 dead transitions. [2023-08-29 16:40:14,481 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 1222 transitions, 46059 flow [2023-08-29 16:40:14,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 16:40:14,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 16:40:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1067 transitions. [2023-08-29 16:40:14,483 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42040977147360126 [2023-08-29 16:40:14,483 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1067 transitions. [2023-08-29 16:40:14,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1067 transitions. [2023-08-29 16:40:14,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:40:14,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1067 transitions. [2023-08-29 16:40:14,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.83333333333334) internal successors, (1067), 6 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:14,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:14,486 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:14,486 INFO L175 Difference]: Start difference. First operand has 393 places, 1223 transitions, 44245 flow. Second operand 6 states and 1067 transitions. [2023-08-29 16:40:14,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 1222 transitions, 46059 flow [2023-08-29 16:40:18,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 1222 transitions, 45183 flow, removed 115 selfloop flow, removed 8 redundant places. [2023-08-29 16:40:18,712 INFO L231 Difference]: Finished difference. Result has 389 places, 1222 transitions, 43375 flow [2023-08-29 16:40:18,713 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=43367, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=43375, PETRI_PLACES=389, PETRI_TRANSITIONS=1222} [2023-08-29 16:40:18,714 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 303 predicate places. [2023-08-29 16:40:18,714 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 1222 transitions, 43375 flow [2023-08-29 16:40:18,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 173.5) internal successors, (1041), 6 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:18,715 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:40:18,715 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:40:18,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-29 16:40:18,715 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:40:18,715 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:40:18,716 INFO L85 PathProgramCache]: Analyzing trace with hash 188147868, now seen corresponding path program 1 times [2023-08-29 16:40:18,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:40:18,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508915622] [2023-08-29 16:40:18,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:40:18,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:40:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:40:18,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:40:18,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:40:18,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508915622] [2023-08-29 16:40:18,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508915622] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:40:18,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:40:18,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 16:40:18,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728227640] [2023-08-29 16:40:18,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:40:18,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 16:40:18,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:40:18,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 16:40:18,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 16:40:19,318 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 423 [2023-08-29 16:40:19,319 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 1222 transitions, 43375 flow. Second operand has 6 states, 6 states have (on average 173.66666666666666) internal successors, (1042), 6 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:19,319 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:40:19,319 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 423 [2023-08-29 16:40:19,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:40:24,373 INFO L130 PetriNetUnfolder]: 5569/11534 cut-off events. [2023-08-29 16:40:24,373 INFO L131 PetriNetUnfolder]: For 635636/637846 co-relation queries the response was YES. [2023-08-29 16:40:24,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125573 conditions, 11534 events. 5569/11534 cut-off events. For 635636/637846 co-relation queries the response was YES. Maximal size of possible extension queue 861. Compared 106727 event pairs, 2334 based on Foata normal form. 178/11153 useless extension candidates. Maximal degree in co-relation 125436. Up to 9916 conditions per place. [2023-08-29 16:40:24,530 INFO L137 encePairwiseOnDemand]: 416/423 looper letters, 890 selfloop transitions, 0 changer transitions 28/1223 dead transitions. [2023-08-29 16:40:24,530 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 1223 transitions, 45196 flow [2023-08-29 16:40:24,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 16:40:24,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 16:40:24,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1068 transitions. [2023-08-29 16:40:24,532 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42080378250591016 [2023-08-29 16:40:24,532 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1068 transitions. [2023-08-29 16:40:24,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1068 transitions. [2023-08-29 16:40:24,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:40:24,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1068 transitions. [2023-08-29 16:40:24,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:24,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:24,536 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:24,536 INFO L175 Difference]: Start difference. First operand has 389 places, 1222 transitions, 43375 flow. Second operand 6 states and 1068 transitions. [2023-08-29 16:40:24,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 1223 transitions, 45196 flow [2023-08-29 16:40:28,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 1223 transitions, 45173 flow, removed 8 selfloop flow, removed 4 redundant places. [2023-08-29 16:40:28,847 INFO L231 Difference]: Finished difference. Result has 389 places, 1195 transitions, 43292 flow [2023-08-29 16:40:28,848 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=43350, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=43292, PETRI_PLACES=389, PETRI_TRANSITIONS=1195} [2023-08-29 16:40:28,849 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 303 predicate places. [2023-08-29 16:40:28,849 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 1195 transitions, 43292 flow [2023-08-29 16:40:28,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 173.66666666666666) internal successors, (1042), 6 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:28,849 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:40:28,849 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:40:28,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-08-29 16:40:28,849 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:40:28,850 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:40:28,850 INFO L85 PathProgramCache]: Analyzing trace with hash 536488295, now seen corresponding path program 1 times [2023-08-29 16:40:28,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:40:28,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219242626] [2023-08-29 16:40:28,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:40:28,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:40:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:40:29,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:40:29,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:40:29,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219242626] [2023-08-29 16:40:29,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219242626] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:40:29,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:40:29,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 16:40:29,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747533329] [2023-08-29 16:40:29,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:40:29,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 16:40:29,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:40:29,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 16:40:29,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 16:40:29,733 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 423 [2023-08-29 16:40:29,734 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 1195 transitions, 43292 flow. Second operand has 6 states, 6 states have (on average 179.66666666666666) internal successors, (1078), 6 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:29,734 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:40:29,734 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 423 [2023-08-29 16:40:29,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:40:35,124 INFO L130 PetriNetUnfolder]: 5681/11617 cut-off events. [2023-08-29 16:40:35,125 INFO L131 PetriNetUnfolder]: For 636593/638803 co-relation queries the response was YES. [2023-08-29 16:40:35,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126162 conditions, 11617 events. 5681/11617 cut-off events. For 636593/638803 co-relation queries the response was YES. Maximal size of possible extension queue 860. Compared 106935 event pairs, 2340 based on Foata normal form. 174/11238 useless extension candidates. Maximal degree in co-relation 126025. Up to 10010 conditions per place. [2023-08-29 16:40:35,281 INFO L137 encePairwiseOnDemand]: 415/423 looper letters, 811 selfloop transitions, 12 changer transitions 101/1223 dead transitions. [2023-08-29 16:40:35,281 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 1223 transitions, 45448 flow [2023-08-29 16:40:35,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 16:40:35,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 16:40:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1109 transitions. [2023-08-29 16:40:35,283 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4369582348305753 [2023-08-29 16:40:35,283 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1109 transitions. [2023-08-29 16:40:35,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1109 transitions. [2023-08-29 16:40:35,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:40:35,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1109 transitions. [2023-08-29 16:40:35,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 184.83333333333334) internal successors, (1109), 6 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:35,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:35,286 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:35,286 INFO L175 Difference]: Start difference. First operand has 389 places, 1195 transitions, 43292 flow. Second operand 6 states and 1109 transitions. [2023-08-29 16:40:35,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 1223 transitions, 45448 flow [2023-08-29 16:40:39,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 1223 transitions, 45448 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 16:40:39,600 INFO L231 Difference]: Finished difference. Result has 368 places, 1110 transitions, 40174 flow [2023-08-29 16:40:39,601 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=43292, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=40174, PETRI_PLACES=368, PETRI_TRANSITIONS=1110} [2023-08-29 16:40:39,601 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 282 predicate places. [2023-08-29 16:40:39,601 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 1110 transitions, 40174 flow [2023-08-29 16:40:39,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.66666666666666) internal successors, (1078), 6 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:39,601 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:40:39,602 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:40:39,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-08-29 16:40:39,602 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:40:39,602 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:40:39,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1544351377, now seen corresponding path program 1 times [2023-08-29 16:40:39,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:40:39,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388327664] [2023-08-29 16:40:39,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:40:39,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:40:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:40:40,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:40:40,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:40:40,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388327664] [2023-08-29 16:40:40,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388327664] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:40:40,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:40:40,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 16:40:40,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136918399] [2023-08-29 16:40:40,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:40:40,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 16:40:40,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:40:40,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 16:40:40,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 16:40:40,698 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-29 16:40:40,700 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 1110 transitions, 40174 flow. Second operand has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:40,700 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:40:40,700 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-29 16:40:40,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:40:45,680 INFO L130 PetriNetUnfolder]: 5038/10949 cut-off events. [2023-08-29 16:40:45,680 INFO L131 PetriNetUnfolder]: For 632328/633815 co-relation queries the response was YES. [2023-08-29 16:40:45,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115794 conditions, 10949 events. 5038/10949 cut-off events. For 632328/633815 co-relation queries the response was YES. Maximal size of possible extension queue 806. Compared 104886 event pairs, 1487 based on Foata normal form. 185/10669 useless extension candidates. Maximal degree in co-relation 115652. Up to 9033 conditions per place. [2023-08-29 16:40:45,803 INFO L137 encePairwiseOnDemand]: 415/423 looper letters, 94 selfloop transitions, 5 changer transitions 1005/1147 dead transitions. [2023-08-29 16:40:45,803 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 1147 transitions, 42090 flow [2023-08-29 16:40:45,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 16:40:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 16:40:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1617 transitions. [2023-08-29 16:40:45,805 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4247438928289992 [2023-08-29 16:40:45,806 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1617 transitions. [2023-08-29 16:40:45,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1617 transitions. [2023-08-29 16:40:45,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:40:45,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1617 transitions. [2023-08-29 16:40:45,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 179.66666666666666) internal successors, (1617), 9 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:45,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:45,809 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:45,809 INFO L175 Difference]: Start difference. First operand has 368 places, 1110 transitions, 40174 flow. Second operand 9 states and 1617 transitions. [2023-08-29 16:40:45,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 1147 transitions, 42090 flow [2023-08-29 16:40:50,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 1147 transitions, 41994 flow, removed 48 selfloop flow, removed 0 redundant places. [2023-08-29 16:40:50,052 INFO L231 Difference]: Finished difference. Result has 380 places, 137 transitions, 3614 flow [2023-08-29 16:40:50,052 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=40110, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3614, PETRI_PLACES=380, PETRI_TRANSITIONS=137} [2023-08-29 16:40:50,053 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 294 predicate places. [2023-08-29 16:40:50,053 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 137 transitions, 3614 flow [2023-08-29 16:40:50,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:50,053 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:40:50,053 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:40:50,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-08-29 16:40:50,054 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:40:50,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:40:50,054 INFO L85 PathProgramCache]: Analyzing trace with hash -587964285, now seen corresponding path program 2 times [2023-08-29 16:40:50,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:40:50,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794349303] [2023-08-29 16:40:50,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:40:50,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:40:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:40:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:40:50,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:40:50,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794349303] [2023-08-29 16:40:50,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794349303] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:40:50,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:40:50,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 16:40:50,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655247083] [2023-08-29 16:40:50,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:40:50,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 16:40:50,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:40:50,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 16:40:50,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-29 16:40:51,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-29 16:40:51,243 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 137 transitions, 3614 flow. Second operand has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:51,243 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:40:51,243 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-29 16:40:51,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:40:51,592 INFO L130 PetriNetUnfolder]: 142/482 cut-off events. [2023-08-29 16:40:51,593 INFO L131 PetriNetUnfolder]: For 17651/17684 co-relation queries the response was YES. [2023-08-29 16:40:51,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4253 conditions, 482 events. 142/482 cut-off events. For 17651/17684 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2483 event pairs, 53 based on Foata normal form. 8/489 useless extension candidates. Maximal degree in co-relation 4105. Up to 345 conditions per place. [2023-08-29 16:40:51,597 INFO L137 encePairwiseOnDemand]: 414/423 looper letters, 89 selfloop transitions, 11 changer transitions 8/151 dead transitions. [2023-08-29 16:40:51,597 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 151 transitions, 4067 flow [2023-08-29 16:40:51,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 16:40:51,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 16:40:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1595 transitions. [2023-08-29 16:40:51,599 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41896506435513525 [2023-08-29 16:40:51,599 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1595 transitions. [2023-08-29 16:40:51,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1595 transitions. [2023-08-29 16:40:51,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:40:51,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1595 transitions. [2023-08-29 16:40:51,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 177.22222222222223) internal successors, (1595), 9 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:51,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:51,602 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:51,602 INFO L175 Difference]: Start difference. First operand has 380 places, 137 transitions, 3614 flow. Second operand 9 states and 1595 transitions. [2023-08-29 16:40:51,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 151 transitions, 4067 flow [2023-08-29 16:40:51,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 151 transitions, 2404 flow, removed 94 selfloop flow, removed 112 redundant places. [2023-08-29 16:40:51,641 INFO L231 Difference]: Finished difference. Result has 210 places, 137 transitions, 2076 flow [2023-08-29 16:40:51,641 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=2046, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2076, PETRI_PLACES=210, PETRI_TRANSITIONS=137} [2023-08-29 16:40:51,642 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 124 predicate places. [2023-08-29 16:40:51,642 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 137 transitions, 2076 flow [2023-08-29 16:40:51,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:51,642 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:40:51,642 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:40:51,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-08-29 16:40:51,642 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:40:51,643 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:40:51,643 INFO L85 PathProgramCache]: Analyzing trace with hash 853777139, now seen corresponding path program 3 times [2023-08-29 16:40:51,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:40:51,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910657181] [2023-08-29 16:40:51,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:40:51,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:40:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:40:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:40:52,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:40:52,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910657181] [2023-08-29 16:40:52,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910657181] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:40:52,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:40:52,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 16:40:52,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236049435] [2023-08-29 16:40:52,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:40:52,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 16:40:52,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:40:52,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 16:40:52,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-29 16:40:52,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-29 16:40:52,654 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 137 transitions, 2076 flow. Second operand has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:52,654 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:40:52,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-29 16:40:52,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:40:52,935 INFO L130 PetriNetUnfolder]: 157/518 cut-off events. [2023-08-29 16:40:52,935 INFO L131 PetriNetUnfolder]: For 4344/4360 co-relation queries the response was YES. [2023-08-29 16:40:52,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2960 conditions, 518 events. 157/518 cut-off events. For 4344/4360 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2691 event pairs, 53 based on Foata normal form. 8/525 useless extension candidates. Maximal degree in co-relation 2873. Up to 277 conditions per place. [2023-08-29 16:40:52,939 INFO L137 encePairwiseOnDemand]: 415/423 looper letters, 89 selfloop transitions, 6 changer transitions 22/160 dead transitions. [2023-08-29 16:40:52,939 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 160 transitions, 2437 flow [2023-08-29 16:40:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 16:40:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 16:40:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1599 transitions. [2023-08-29 16:40:52,940 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42001576044129235 [2023-08-29 16:40:52,940 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1599 transitions. [2023-08-29 16:40:52,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1599 transitions. [2023-08-29 16:40:52,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:40:52,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1599 transitions. [2023-08-29 16:40:52,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 177.66666666666666) internal successors, (1599), 9 states have internal predecessors, (1599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:52,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:52,943 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:52,943 INFO L175 Difference]: Start difference. First operand has 210 places, 137 transitions, 2076 flow. Second operand 9 states and 1599 transitions. [2023-08-29 16:40:52,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 160 transitions, 2437 flow [2023-08-29 16:40:52,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 160 transitions, 2375 flow, removed 1 selfloop flow, removed 14 redundant places. [2023-08-29 16:40:52,958 INFO L231 Difference]: Finished difference. Result has 207 places, 135 transitions, 2048 flow [2023-08-29 16:40:52,958 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=2030, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2048, PETRI_PLACES=207, PETRI_TRANSITIONS=135} [2023-08-29 16:40:52,959 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 121 predicate places. [2023-08-29 16:40:52,959 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 135 transitions, 2048 flow [2023-08-29 16:40:52,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:52,959 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:40:52,959 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:40:52,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-08-29 16:40:52,960 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:40:52,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:40:52,960 INFO L85 PathProgramCache]: Analyzing trace with hash -576489945, now seen corresponding path program 4 times [2023-08-29 16:40:52,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:40:52,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136286728] [2023-08-29 16:40:52,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:40:52,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:40:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:40:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:40:53,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:40:53,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136286728] [2023-08-29 16:40:53,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136286728] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:40:53,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:40:53,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 16:40:53,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724669505] [2023-08-29 16:40:53,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:40:53,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 16:40:53,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:40:53,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 16:40:53,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-29 16:40:54,058 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-29 16:40:54,059 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 135 transitions, 2048 flow. Second operand has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:54,059 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:40:54,059 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-29 16:40:54,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:40:54,373 INFO L130 PetriNetUnfolder]: 98/398 cut-off events. [2023-08-29 16:40:54,374 INFO L131 PetriNetUnfolder]: For 3767/3783 co-relation queries the response was YES. [2023-08-29 16:40:54,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2310 conditions, 398 events. 98/398 cut-off events. For 3767/3783 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2091 event pairs, 21 based on Foata normal form. 8/405 useless extension candidates. Maximal degree in co-relation 2220. Up to 249 conditions per place. [2023-08-29 16:40:54,377 INFO L137 encePairwiseOnDemand]: 414/423 looper letters, 84 selfloop transitions, 10 changer transitions 14/151 dead transitions. [2023-08-29 16:40:54,377 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 151 transitions, 2388 flow [2023-08-29 16:40:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 16:40:54,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 16:40:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1768 transitions. [2023-08-29 16:40:54,379 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41796690307328604 [2023-08-29 16:40:54,379 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1768 transitions. [2023-08-29 16:40:54,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1768 transitions. [2023-08-29 16:40:54,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:40:54,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1768 transitions. [2023-08-29 16:40:54,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 176.8) internal successors, (1768), 10 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:54,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:54,382 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:54,382 INFO L175 Difference]: Start difference. First operand has 207 places, 135 transitions, 2048 flow. Second operand 10 states and 1768 transitions. [2023-08-29 16:40:54,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 151 transitions, 2388 flow [2023-08-29 16:40:54,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 151 transitions, 2328 flow, removed 11 selfloop flow, removed 10 redundant places. [2023-08-29 16:40:54,397 INFO L231 Difference]: Finished difference. Result has 206 places, 135 transitions, 2031 flow [2023-08-29 16:40:54,397 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=2000, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2031, PETRI_PLACES=206, PETRI_TRANSITIONS=135} [2023-08-29 16:40:54,397 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 120 predicate places. [2023-08-29 16:40:54,397 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 135 transitions, 2031 flow [2023-08-29 16:40:54,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:54,398 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 16:40:54,398 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:40:54,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-08-29 16:40:54,398 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 16:40:54,399 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 16:40:54,399 INFO L85 PathProgramCache]: Analyzing trace with hash -364675935, now seen corresponding path program 5 times [2023-08-29 16:40:54,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 16:40:54,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397572210] [2023-08-29 16:40:54,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 16:40:54,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 16:40:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 16:40:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 16:40:54,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 16:40:54,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397572210] [2023-08-29 16:40:54,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397572210] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 16:40:54,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 16:40:54,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 16:40:54,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743476903] [2023-08-29 16:40:54,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 16:40:54,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 16:40:54,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 16:40:54,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 16:40:54,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-08-29 16:40:55,539 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-29 16:40:55,540 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 135 transitions, 2031 flow. Second operand has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:55,540 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 16:40:55,540 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-29 16:40:55,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 16:40:55,804 INFO L130 PetriNetUnfolder]: 84/356 cut-off events. [2023-08-29 16:40:55,804 INFO L131 PetriNetUnfolder]: For 3546/3562 co-relation queries the response was YES. [2023-08-29 16:40:55,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2151 conditions, 356 events. 84/356 cut-off events. For 3546/3562 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1863 event pairs, 15 based on Foata normal form. 8/363 useless extension candidates. Maximal degree in co-relation 2064. Up to 195 conditions per place. [2023-08-29 16:40:55,807 INFO L137 encePairwiseOnDemand]: 415/423 looper letters, 0 selfloop transitions, 0 changer transitions 146/146 dead transitions. [2023-08-29 16:40:55,807 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 146 transitions, 2308 flow [2023-08-29 16:40:55,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 16:40:55,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 16:40:55,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1591 transitions. [2023-08-29 16:40:55,812 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4179143682689782 [2023-08-29 16:40:55,812 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1591 transitions. [2023-08-29 16:40:55,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1591 transitions. [2023-08-29 16:40:55,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 16:40:55,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1591 transitions. [2023-08-29 16:40:55,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 176.77777777777777) internal successors, (1591), 9 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:55,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:55,817 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:55,817 INFO L175 Difference]: Start difference. First operand has 206 places, 135 transitions, 2031 flow. Second operand 9 states and 1591 transitions. [2023-08-29 16:40:55,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 146 transitions, 2308 flow [2023-08-29 16:40:55,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 146 transitions, 2279 flow, removed 1 selfloop flow, removed 9 redundant places. [2023-08-29 16:40:55,835 INFO L231 Difference]: Finished difference. Result has 202 places, 0 transitions, 0 flow [2023-08-29 16:40:55,835 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=2001, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=202, PETRI_TRANSITIONS=0} [2023-08-29 16:40:55,836 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 116 predicate places. [2023-08-29 16:40:55,836 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 0 transitions, 0 flow [2023-08-29 16:40:55,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 16:40:55,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2023-08-29 16:40:55,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2023-08-29 16:40:55,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2023-08-29 16:40:55,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2023-08-29 16:40:55,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2023-08-29 16:40:55,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2023-08-29 16:40:55,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2023-08-29 16:40:55,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2023-08-29 16:40:55,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2023-08-29 16:40:55,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2023-08-29 16:40:55,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2023-08-29 16:40:55,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2023-08-29 16:40:55,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2023-08-29 16:40:55,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2023-08-29 16:40:55,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 25 remaining) [2023-08-29 16:40:55,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2023-08-29 16:40:55,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2023-08-29 16:40:55,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2023-08-29 16:40:55,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2023-08-29 16:40:55,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2023-08-29 16:40:55,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2023-08-29 16:40:55,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2023-08-29 16:40:55,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2023-08-29 16:40:55,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2023-08-29 16:40:55,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2023-08-29 16:40:55,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-08-29 16:40:55,845 INFO L445 BasicCegarLoop]: Path program histogram: [12, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 16:40:55,849 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 16:40:55,849 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 16:40:55,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:40:55 BasicIcfg [2023-08-29 16:40:55,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 16:40:55,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 16:40:55,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 16:40:55,853 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 16:40:55,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:37:06" (3/4) ... [2023-08-29 16:40:55,855 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 16:40:55,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-08-29 16:40:55,865 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2023-08-29 16:40:55,866 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-08-29 16:40:55,866 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-08-29 16:40:55,867 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 16:40:55,912 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 16:40:55,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 16:40:55,912 INFO L158 Benchmark]: Toolchain (without parser) took 230873.29ms. Allocated memory was 65.0MB in the beginning and 7.0GB in the end (delta: 7.0GB). Free memory was 39.7MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2023-08-29 16:40:55,913 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory is still 42.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 16:40:55,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 962.06ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 39.5MB in the beginning and 46.3MB in the end (delta: -6.8MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-08-29 16:40:55,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.80ms. Allocated memory is still 86.0MB. Free memory was 46.3MB in the beginning and 42.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 16:40:55,916 INFO L158 Benchmark]: Boogie Preprocessor took 53.70ms. Allocated memory is still 86.0MB. Free memory was 42.1MB in the beginning and 37.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 16:40:55,917 INFO L158 Benchmark]: RCFGBuilder took 814.94ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 37.6MB in the beginning and 71.3MB in the end (delta: -33.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-08-29 16:40:55,917 INFO L158 Benchmark]: TraceAbstraction took 228915.91ms. Allocated memory was 104.9MB in the beginning and 7.0GB in the end (delta: 6.9GB). Free memory was 70.7MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2023-08-29 16:40:55,918 INFO L158 Benchmark]: Witness Printer took 59.67ms. Allocated memory is still 7.0GB. Free memory was 3.8GB in the beginning and 3.8GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 16:40:55,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory is still 42.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 962.06ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 39.5MB in the beginning and 46.3MB in the end (delta: -6.8MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.80ms. Allocated memory is still 86.0MB. Free memory was 46.3MB in the beginning and 42.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.70ms. Allocated memory is still 86.0MB. Free memory was 42.1MB in the beginning and 37.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 814.94ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 37.6MB in the beginning and 71.3MB in the end (delta: -33.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * TraceAbstraction took 228915.91ms. Allocated memory was 104.9MB in the beginning and 7.0GB in the end (delta: 6.9GB). Free memory was 70.7MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. * Witness Printer took 59.67ms. Allocated memory is still 7.0GB. Free memory was 3.8GB in the beginning and 3.8GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.2s, 229 PlacesBefore, 86 PlacesAfterwards, 228 TransitionsBefore, 83 TransitionsAfterwards, 6112 CoEnabledTransitionPairs, 8 FixpointIterations, 106 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 21 ConcurrentYvCompositions, 2 ChoiceCompositions, 192 TotalNumberOfCompositions, 32834 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8221, independent: 7096, independent conditional: 0, independent unconditional: 7096, dependent: 1125, dependent conditional: 0, dependent unconditional: 1125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2968, independent: 2881, independent conditional: 0, independent unconditional: 2881, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8221, independent: 4215, independent conditional: 0, independent unconditional: 4215, dependent: 1038, dependent conditional: 0, dependent unconditional: 1038, unknown: 2968, unknown conditional: 0, unknown unconditional: 2968] , Statistics on independence cache: Total cache size (in pairs): 239, Positive cache size: 170, Positive conditional cache size: 0, Positive unconditional cache size: 170, Negative cache size: 69, Negative conditional cache size: 0, Negative unconditional cache size: 69, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: 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 4 procedures, 244 locations, 25 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: 228.8s, OverallIterations: 36, TraceHistogramMax: 1, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 176.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 37.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18005 SdHoareTripleChecker+Valid, 48.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14396 mSDsluCounter, 12147 SdHoareTripleChecker+Invalid, 42.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11508 mSDsCounter, 4992 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63948 IncrementalHoareTripleChecker+Invalid, 68940 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4992 mSolverCounterUnsat, 639 mSDtfsCounter, 63948 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 549 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 540 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1229 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44245occurred in iteration=28, InterpolantAutomatonStates: 391, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 584 NumberOfCodeBlocks, 584 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 548 ConstructedInterpolants, 0 QuantifiedInterpolants, 6712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 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 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 16:40:55,949 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