./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 BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/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 BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 19:06:43,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 19:06:43,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 19:06:43,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 19:06:43,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 19:06:43,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 19:06:43,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 19:06:43,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 19:06:43,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 19:06:43,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 19:06:43,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 19:06:43,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 19:06:43,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 19:06:43,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 19:06:43,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 19:06:43,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 19:06:43,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 19:06:43,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 19:06:43,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 19:06:43,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 19:06:43,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 19:06:43,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 19:06:43,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 19:06:43,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 19:06:43,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 19:06:43,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 19:06:43,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 19:06:43,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 19:06:43,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 19:06:43,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 19:06:43,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 19:06:43,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 19:06:43,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 19:06:43,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 19:06:43,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 19:06:43,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 19:06:43,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 19:06:43,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 19:06:43,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 19:06:43,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 19:06:43,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 19:06:43,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 19:06:43,253 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 19:06:43,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 19:06:43,254 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 19:06:43,254 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 19:06:43,255 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 19:06:43,255 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 19:06:43,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 19:06:43,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 19:06:43,256 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 19:06:43,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 19:06:43,257 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 19:06:43,257 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 19:06:43,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 19:06:43,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 19:06:43,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 19:06:43,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 19:06:43,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 19:06:43,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 19:06:43,258 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 19:06:43,259 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 19:06:43,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 19:06:43,259 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 19:06:43,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 19:06:43,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 19:06:43,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 19:06:43,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 19:06:43,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:06:43,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 19:06:43,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 19:06:43,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 19:06:43,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 19:06:43,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 19:06:43,261 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 19:06:43,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 19:06:43,262 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 19:06:43,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 19:06:43,262 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 19:06:43,262 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 19:06:43,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 19:06:43,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 19:06:43,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 19:06:43,564 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 19:06:43,564 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 19:06:43,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-08-31 19:06:44,739 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 19:06:45,059 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 19:06:45,060 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-08-31 19:06:45,076 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0795eef80/09191b5cd6164fffaf737ad5938fcf74/FLAG9ab3c0e8c [2023-08-31 19:06:45,089 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0795eef80/09191b5cd6164fffaf737ad5938fcf74 [2023-08-31 19:06:45,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 19:06:45,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 19:06:45,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 19:06:45,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 19:06:45,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 19:06:45,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:06:45" (1/1) ... [2023-08-31 19:06:45,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f28a2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45, skipping insertion in model container [2023-08-31 19:06:45,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:06:45" (1/1) ... [2023-08-31 19:06:45,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 19:06:45,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 19:06:45,316 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-31 19:06:45,746 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] [2023-08-31 19:06:45,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:06:45,797 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 19:06:45,807 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-31 19:06:45,827 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] [2023-08-31 19:06:45,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:06:45,943 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:06:45,944 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:06:45,944 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:06:45,948 INFO L208 MainTranslator]: Completed translation [2023-08-31 19:06:45,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45 WrapperNode [2023-08-31 19:06:45,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 19:06:45,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 19:06:45,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 19:06:45,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 19:06:45,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45" (1/1) ... [2023-08-31 19:06:45,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45" (1/1) ... [2023-08-31 19:06:46,014 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 226 [2023-08-31 19:06:46,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 19:06:46,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 19:06:46,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 19:06:46,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 19:06:46,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45" (1/1) ... [2023-08-31 19:06:46,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45" (1/1) ... [2023-08-31 19:06:46,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45" (1/1) ... [2023-08-31 19:06:46,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45" (1/1) ... [2023-08-31 19:06:46,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45" (1/1) ... [2023-08-31 19:06:46,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45" (1/1) ... [2023-08-31 19:06:46,057 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45" (1/1) ... [2023-08-31 19:06:46,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45" (1/1) ... [2023-08-31 19:06:46,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 19:06:46,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 19:06:46,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 19:06:46,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 19:06:46,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45" (1/1) ... [2023-08-31 19:06:46,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:06:46,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 19:06:46,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 19:06:46,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 19:06:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 19:06:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 19:06:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 19:06:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 19:06:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 19:06:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 19:06:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-31 19:06:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 19:06:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 19:06:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-31 19:06:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-31 19:06:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 19:06:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 19:06:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 19:06:46,134 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 19:06:46,444 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 19:06:46,446 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 19:06:46,766 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 19:06:46,841 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 19:06:46,842 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 19:06:46,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:06:46 BoogieIcfgContainer [2023-08-31 19:06:46,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 19:06:46,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 19:06:46,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 19:06:46,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 19:06:46,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 07:06:45" (1/3) ... [2023-08-31 19:06:46,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2c1f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:06:46, skipping insertion in model container [2023-08-31 19:06:46,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:06:45" (2/3) ... [2023-08-31 19:06:46,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2c1f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:06:46, skipping insertion in model container [2023-08-31 19:06:46,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:06:46" (3/3) ... [2023-08-31 19:06:46,850 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-08-31 19:06:46,857 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 19:06:46,869 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 19:06:46,870 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-08-31 19:06:46,870 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 19:06:46,947 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 19:06:46,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 231 places, 231 transitions, 478 flow [2023-08-31 19:06:47,109 INFO L130 PetriNetUnfolder]: 8/301 cut-off events. [2023-08-31 19:06:47,110 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 19:06:47,115 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. [2023-08-31 19:06:47,115 INFO L82 GeneralOperation]: Start removeDead. Operand has 231 places, 231 transitions, 478 flow [2023-08-31 19:06:47,123 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 229 places, 228 transitions, 468 flow [2023-08-31 19:06:47,126 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 19:06:47,133 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 229 places, 228 transitions, 468 flow [2023-08-31 19:06:47,135 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 229 places, 228 transitions, 468 flow [2023-08-31 19:06:47,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 229 places, 228 transitions, 468 flow [2023-08-31 19:06:47,199 INFO L130 PetriNetUnfolder]: 7/300 cut-off events. [2023-08-31 19:06:47,200 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 19:06:47,201 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. [2023-08-31 19:06:47,206 INFO L119 LiptonReduction]: Number of co-enabled transitions 6112 [2023-08-31 19:07:24,721 INFO L134 LiptonReduction]: Checked pairs total: 32834 [2023-08-31 19:07:24,721 INFO L136 LiptonReduction]: Total number of compositions: 192 [2023-08-31 19:07:24,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 19:07:24,749 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;@6bf68bbf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 19:07:24,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-08-31 19:07:24,751 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 19:07:24,751 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:07:24,751 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:24,752 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 19:07:24,752 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)] === [2023-08-31 19:07:24,756 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:24,756 INFO L85 PathProgramCache]: Analyzing trace with hash 860, now seen corresponding path program 1 times [2023-08-31 19:07:24,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:24,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227421052] [2023-08-31 19:07:24,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:24,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:24,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:24,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:24,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227421052] [2023-08-31 19:07:24,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227421052] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:24,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:24,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 19:07:25,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065523208] [2023-08-31 19:07:25,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:25,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 19:07:25,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:25,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 19:07:25,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 19:07:25,038 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 423 [2023-08-31 19:07:25,043 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) [2023-08-31 19:07:25,043 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:25,043 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 423 [2023-08-31 19:07:25,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:25,455 INFO L130 PetriNetUnfolder]: 606/1706 cut-off events. [2023-08-31 19:07:25,455 INFO L131 PetriNetUnfolder]: For 24/53 co-relation queries the response was YES. [2023-08-31 19:07:25,460 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. [2023-08-31 19:07:25,466 INFO L137 encePairwiseOnDemand]: 407/423 looper letters, 31 selfloop transitions, 0 changer transitions 1/66 dead transitions. [2023-08-31 19:07:25,466 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 66 transitions, 208 flow [2023-08-31 19:07:25,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 19:07:25,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 19:07:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 446 transitions. [2023-08-31 19:07:25,492 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5271867612293144 [2023-08-31 19:07:25,492 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 446 transitions. [2023-08-31 19:07:25,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 446 transitions. [2023-08-31 19:07:25,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:25,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 446 transitions. [2023-08-31 19:07:25,503 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) [2023-08-31 19:07:25,508 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) [2023-08-31 19:07:25,509 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) [2023-08-31 19:07:25,510 INFO L175 Difference]: Start difference. First operand has 86 places, 83 transitions, 178 flow. Second operand 2 states and 446 transitions. [2023-08-31 19:07:25,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 66 transitions, 208 flow [2023-08-31 19:07:25,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 66 transitions, 200 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 19:07:25,518 INFO L231 Difference]: Finished difference. Result has 68 places, 65 transitions, 134 flow [2023-08-31 19:07:25,520 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} [2023-08-31 19:07:25,524 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -18 predicate places. [2023-08-31 19:07:25,526 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 134 flow [2023-08-31 19:07:25,527 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) [2023-08-31 19:07:25,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:25,527 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:25,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 19:07:25,528 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)] === [2023-08-31 19:07:25,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:25,535 INFO L85 PathProgramCache]: Analyzing trace with hash -356357472, now seen corresponding path program 1 times [2023-08-31 19:07:25,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:25,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240137727] [2023-08-31 19:07:25,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:25,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:25,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:25,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240137727] [2023-08-31 19:07:25,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240137727] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:25,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:25,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:07:25,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972468161] [2023-08-31 19:07:25,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:25,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:07:25,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:25,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:07:25,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:07:25,726 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 423 [2023-08-31 19:07:25,727 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) [2023-08-31 19:07:25,727 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:25,727 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 423 [2023-08-31 19:07:25,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:26,080 INFO L130 PetriNetUnfolder]: 546/1674 cut-off events. [2023-08-31 19:07:26,080 INFO L131 PetriNetUnfolder]: For 7/31 co-relation queries the response was YES. [2023-08-31 19:07:26,082 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. [2023-08-31 19:07:26,090 INFO L137 encePairwiseOnDemand]: 420/423 looper letters, 30 selfloop transitions, 2 changer transitions 0/66 dead transitions. [2023-08-31 19:07:26,090 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 66 transitions, 200 flow [2023-08-31 19:07:26,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:07:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:07:26,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 621 transitions. [2023-08-31 19:07:26,094 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48936170212765956 [2023-08-31 19:07:26,094 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 621 transitions. [2023-08-31 19:07:26,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 621 transitions. [2023-08-31 19:07:26,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:26,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 621 transitions. [2023-08-31 19:07:26,096 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) [2023-08-31 19:07:26,100 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) [2023-08-31 19:07:26,101 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) [2023-08-31 19:07:26,101 INFO L175 Difference]: Start difference. First operand has 68 places, 65 transitions, 134 flow. Second operand 3 states and 621 transitions. [2023-08-31 19:07:26,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 66 transitions, 200 flow [2023-08-31 19:07:26,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 66 transitions, 200 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:07:26,104 INFO L231 Difference]: Finished difference. Result has 70 places, 66 transitions, 146 flow [2023-08-31 19:07:26,104 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} [2023-08-31 19:07:26,105 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -16 predicate places. [2023-08-31 19:07:26,105 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 66 transitions, 146 flow [2023-08-31 19:07:26,106 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) [2023-08-31 19:07:26,106 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:26,107 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:26,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 19:07:26,107 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)] === [2023-08-31 19:07:26,108 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:26,109 INFO L85 PathProgramCache]: Analyzing trace with hash 280239100, now seen corresponding path program 1 times [2023-08-31 19:07:26,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:26,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156112033] [2023-08-31 19:07:26,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:26,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:26,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:26,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:26,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156112033] [2023-08-31 19:07:26,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156112033] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:26,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:26,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 19:07:26,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951794309] [2023-08-31 19:07:26,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:26,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 19:07:26,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:26,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 19:07:26,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 19:07:26,816 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 423 [2023-08-31 19:07:26,817 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) [2023-08-31 19:07:26,818 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:26,818 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 423 [2023-08-31 19:07:26,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:27,500 INFO L130 PetriNetUnfolder]: 1658/3229 cut-off events. [2023-08-31 19:07:27,500 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2023-08-31 19:07:27,504 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. [2023-08-31 19:07:27,515 INFO L137 encePairwiseOnDemand]: 409/423 looper letters, 64 selfloop transitions, 31 changer transitions 0/111 dead transitions. [2023-08-31 19:07:27,515 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 111 transitions, 426 flow [2023-08-31 19:07:27,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 19:07:27,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 19:07:27,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1067 transitions. [2023-08-31 19:07:27,518 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42040977147360126 [2023-08-31 19:07:27,518 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1067 transitions. [2023-08-31 19:07:27,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1067 transitions. [2023-08-31 19:07:27,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:27,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1067 transitions. [2023-08-31 19:07:27,522 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) [2023-08-31 19:07:27,526 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) [2023-08-31 19:07:27,527 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) [2023-08-31 19:07:27,527 INFO L175 Difference]: Start difference. First operand has 70 places, 66 transitions, 146 flow. Second operand 6 states and 1067 transitions. [2023-08-31 19:07:27,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 111 transitions, 426 flow [2023-08-31 19:07:27,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 111 transitions, 424 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 19:07:27,530 INFO L231 Difference]: Finished difference. Result has 79 places, 95 transitions, 350 flow [2023-08-31 19:07:27,530 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} [2023-08-31 19:07:27,531 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -7 predicate places. [2023-08-31 19:07:27,531 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 95 transitions, 350 flow [2023-08-31 19:07:27,532 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) [2023-08-31 19:07:27,532 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:27,532 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:27,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 19:07:27,533 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)] === [2023-08-31 19:07:27,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:27,533 INFO L85 PathProgramCache]: Analyzing trace with hash 2141699716, now seen corresponding path program 1 times [2023-08-31 19:07:27,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:27,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146747871] [2023-08-31 19:07:27,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:27,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:27,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:27,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146747871] [2023-08-31 19:07:27,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146747871] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:27,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:27,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 19:07:27,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133842195] [2023-08-31 19:07:27,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:27,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 19:07:27,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:27,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 19:07:27,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 19:07:28,304 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 423 [2023-08-31 19:07:28,305 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) [2023-08-31 19:07:28,306 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:28,306 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 423 [2023-08-31 19:07:28,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:29,095 INFO L130 PetriNetUnfolder]: 1848/3566 cut-off events. [2023-08-31 19:07:29,096 INFO L131 PetriNetUnfolder]: For 1167/1173 co-relation queries the response was YES. [2023-08-31 19:07:29,100 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. [2023-08-31 19:07:29,109 INFO L137 encePairwiseOnDemand]: 412/423 looper letters, 98 selfloop transitions, 22 changer transitions 0/142 dead transitions. [2023-08-31 19:07:29,109 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 142 transitions, 733 flow [2023-08-31 19:07:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 19:07:29,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 19:07:29,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1148 transitions. [2023-08-31 19:07:29,114 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523246650906225 [2023-08-31 19:07:29,114 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1148 transitions. [2023-08-31 19:07:29,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1148 transitions. [2023-08-31 19:07:29,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:29,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1148 transitions. [2023-08-31 19:07:29,120 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) [2023-08-31 19:07:29,126 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) [2023-08-31 19:07:29,127 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) [2023-08-31 19:07:29,128 INFO L175 Difference]: Start difference. First operand has 79 places, 95 transitions, 350 flow. Second operand 6 states and 1148 transitions. [2023-08-31 19:07:29,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 142 transitions, 733 flow [2023-08-31 19:07:29,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 142 transitions, 733 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:07:29,138 INFO L231 Difference]: Finished difference. Result has 89 places, 116 transitions, 532 flow [2023-08-31 19:07:29,138 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} [2023-08-31 19:07:29,139 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 3 predicate places. [2023-08-31 19:07:29,139 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 116 transitions, 532 flow [2023-08-31 19:07:29,140 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) [2023-08-31 19:07:29,140 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:29,140 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:29,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 19:07:29,140 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)] === [2023-08-31 19:07:29,141 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:29,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1093570387, now seen corresponding path program 1 times [2023-08-31 19:07:29,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:29,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349185561] [2023-08-31 19:07:29,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:29,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:29,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:29,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:29,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349185561] [2023-08-31 19:07:29,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349185561] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:29,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:29,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 19:07:29,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210669151] [2023-08-31 19:07:29,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:29,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:07:29,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:29,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:07:29,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:07:29,220 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 423 [2023-08-31 19:07:29,221 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) [2023-08-31 19:07:29,221 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:29,221 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 423 [2023-08-31 19:07:29,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:29,534 INFO L130 PetriNetUnfolder]: 475/982 cut-off events. [2023-08-31 19:07:29,534 INFO L131 PetriNetUnfolder]: For 1069/1214 co-relation queries the response was YES. [2023-08-31 19:07:29,537 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. [2023-08-31 19:07:29,541 INFO L137 encePairwiseOnDemand]: 420/423 looper letters, 56 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2023-08-31 19:07:29,541 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 95 transitions, 514 flow [2023-08-31 19:07:29,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:07:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:07:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 630 transitions. [2023-08-31 19:07:29,545 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49645390070921985 [2023-08-31 19:07:29,545 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 630 transitions. [2023-08-31 19:07:29,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 630 transitions. [2023-08-31 19:07:29,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:29,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 630 transitions. [2023-08-31 19:07:29,547 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) [2023-08-31 19:07:29,550 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) [2023-08-31 19:07:29,550 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) [2023-08-31 19:07:29,551 INFO L175 Difference]: Start difference. First operand has 89 places, 116 transitions, 532 flow. Second operand 3 states and 630 transitions. [2023-08-31 19:07:29,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 95 transitions, 514 flow [2023-08-31 19:07:29,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 95 transitions, 491 flow, removed 1 selfloop flow, removed 9 redundant places. [2023-08-31 19:07:29,557 INFO L231 Difference]: Finished difference. Result has 81 places, 85 transitions, 339 flow [2023-08-31 19:07:29,557 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} [2023-08-31 19:07:29,558 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -5 predicate places. [2023-08-31 19:07:29,558 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 85 transitions, 339 flow [2023-08-31 19:07:29,558 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) [2023-08-31 19:07:29,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:29,558 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:29,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 19:07:29,559 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)] === [2023-08-31 19:07:29,559 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:29,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1461051101, now seen corresponding path program 1 times [2023-08-31 19:07:29,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:29,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571222049] [2023-08-31 19:07:29,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:29,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:30,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:30,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:30,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571222049] [2023-08-31 19:07:30,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571222049] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:30,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:30,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-31 19:07:30,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310040757] [2023-08-31 19:07:30,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:30,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:07:30,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:30,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:07:30,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:07:30,904 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-31 19:07:30,906 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) [2023-08-31 19:07:30,906 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:30,906 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-31 19:07:30,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:32,075 INFO L130 PetriNetUnfolder]: 995/1772 cut-off events. [2023-08-31 19:07:32,075 INFO L131 PetriNetUnfolder]: For 1468/1468 co-relation queries the response was YES. [2023-08-31 19:07:32,078 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. [2023-08-31 19:07:32,083 INFO L137 encePairwiseOnDemand]: 410/423 looper letters, 125 selfloop transitions, 36 changer transitions 0/181 dead transitions. [2023-08-31 19:07:32,083 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 181 transitions, 1126 flow [2023-08-31 19:07:32,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 19:07:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 19:07:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1807 transitions. [2023-08-31 19:07:32,088 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4271867612293144 [2023-08-31 19:07:32,088 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1807 transitions. [2023-08-31 19:07:32,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1807 transitions. [2023-08-31 19:07:32,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:32,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1807 transitions. [2023-08-31 19:07:32,093 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) [2023-08-31 19:07:32,098 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) [2023-08-31 19:07:32,099 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) [2023-08-31 19:07:32,099 INFO L175 Difference]: Start difference. First operand has 81 places, 85 transitions, 339 flow. Second operand 10 states and 1807 transitions. [2023-08-31 19:07:32,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 181 transitions, 1126 flow [2023-08-31 19:07:32,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 181 transitions, 1110 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-08-31 19:07:32,106 INFO L231 Difference]: Finished difference. Result has 93 places, 118 transitions, 714 flow [2023-08-31 19:07:32,106 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} [2023-08-31 19:07:32,106 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 7 predicate places. [2023-08-31 19:07:32,107 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 118 transitions, 714 flow [2023-08-31 19:07:32,107 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) [2023-08-31 19:07:32,108 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:32,108 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:32,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 19:07:32,108 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)] === [2023-08-31 19:07:32,108 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:32,108 INFO L85 PathProgramCache]: Analyzing trace with hash 884421339, now seen corresponding path program 2 times [2023-08-31 19:07:32,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:32,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763257234] [2023-08-31 19:07:32,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:32,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:32,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:32,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763257234] [2023-08-31 19:07:32,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763257234] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:32,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:32,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-31 19:07:32,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302236012] [2023-08-31 19:07:32,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:32,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-31 19:07:32,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:32,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-31 19:07:32,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-31 19:07:33,406 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-31 19:07:33,407 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) [2023-08-31 19:07:33,408 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:33,408 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-31 19:07:33,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:34,447 INFO L130 PetriNetUnfolder]: 1109/1994 cut-off events. [2023-08-31 19:07:34,447 INFO L131 PetriNetUnfolder]: For 3841/3841 co-relation queries the response was YES. [2023-08-31 19:07:34,450 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. [2023-08-31 19:07:34,457 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 101 selfloop transitions, 53 changer transitions 0/174 dead transitions. [2023-08-31 19:07:34,457 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 174 transitions, 1281 flow [2023-08-31 19:07:34,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:07:34,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:07:34,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1634 transitions. [2023-08-31 19:07:34,462 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4292093511951668 [2023-08-31 19:07:34,462 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1634 transitions. [2023-08-31 19:07:34,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1634 transitions. [2023-08-31 19:07:34,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:34,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1634 transitions. [2023-08-31 19:07:34,466 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) [2023-08-31 19:07:34,471 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) [2023-08-31 19:07:34,471 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) [2023-08-31 19:07:34,472 INFO L175 Difference]: Start difference. First operand has 93 places, 118 transitions, 714 flow. Second operand 9 states and 1634 transitions. [2023-08-31 19:07:34,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 174 transitions, 1281 flow [2023-08-31 19:07:34,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 174 transitions, 1269 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-31 19:07:34,485 INFO L231 Difference]: Finished difference. Result has 101 places, 132 transitions, 1035 flow [2023-08-31 19:07:34,485 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} [2023-08-31 19:07:34,486 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 15 predicate places. [2023-08-31 19:07:34,486 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 132 transitions, 1035 flow [2023-08-31 19:07:34,487 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) [2023-08-31 19:07:34,487 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:34,487 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:34,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 19:07:34,487 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)] === [2023-08-31 19:07:34,488 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:34,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1852282422, now seen corresponding path program 1 times [2023-08-31 19:07:34,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:34,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101423239] [2023-08-31 19:07:34,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:34,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:34,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:34,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:34,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101423239] [2023-08-31 19:07:34,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101423239] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:34,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:34,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-31 19:07:34,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616963178] [2023-08-31 19:07:34,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:34,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:07:34,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:34,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:07:34,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:07:35,682 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-31 19:07:35,684 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) [2023-08-31 19:07:35,684 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:35,684 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-31 19:07:35,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:36,656 INFO L130 PetriNetUnfolder]: 1333/2332 cut-off events. [2023-08-31 19:07:36,656 INFO L131 PetriNetUnfolder]: For 7587/7592 co-relation queries the response was YES. [2023-08-31 19:07:36,662 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. [2023-08-31 19:07:36,670 INFO L137 encePairwiseOnDemand]: 410/423 looper letters, 198 selfloop transitions, 56 changer transitions 0/274 dead transitions. [2023-08-31 19:07:36,670 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 274 transitions, 2625 flow [2023-08-31 19:07:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 19:07:36,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 19:07:36,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1819 transitions. [2023-08-31 19:07:36,678 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43002364066193854 [2023-08-31 19:07:36,678 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1819 transitions. [2023-08-31 19:07:36,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1819 transitions. [2023-08-31 19:07:36,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:36,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1819 transitions. [2023-08-31 19:07:36,684 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) [2023-08-31 19:07:36,689 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) [2023-08-31 19:07:36,691 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) [2023-08-31 19:07:36,691 INFO L175 Difference]: Start difference. First operand has 101 places, 132 transitions, 1035 flow. Second operand 10 states and 1819 transitions. [2023-08-31 19:07:36,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 274 transitions, 2625 flow [2023-08-31 19:07:36,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 274 transitions, 2544 flow, removed 3 selfloop flow, removed 5 redundant places. [2023-08-31 19:07:36,711 INFO L231 Difference]: Finished difference. Result has 111 places, 183 transitions, 1724 flow [2023-08-31 19:07:36,711 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} [2023-08-31 19:07:36,713 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 25 predicate places. [2023-08-31 19:07:36,713 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 183 transitions, 1724 flow [2023-08-31 19:07:36,714 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) [2023-08-31 19:07:36,714 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:36,714 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:36,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 19:07:36,715 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)] === [2023-08-31 19:07:36,715 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:36,715 INFO L85 PathProgramCache]: Analyzing trace with hash 74867677, now seen corresponding path program 3 times [2023-08-31 19:07:36,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:36,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070358975] [2023-08-31 19:07:36,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:36,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:37,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:37,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:37,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070358975] [2023-08-31 19:07:37,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070358975] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:37,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:37,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-31 19:07:37,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074710654] [2023-08-31 19:07:37,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:37,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-31 19:07:37,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:37,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-31 19:07:37,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-31 19:07:37,916 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-31 19:07:37,917 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) [2023-08-31 19:07:37,917 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:37,917 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-31 19:07:37,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:38,807 INFO L130 PetriNetUnfolder]: 1671/2956 cut-off events. [2023-08-31 19:07:38,807 INFO L131 PetriNetUnfolder]: For 14274/14274 co-relation queries the response was YES. [2023-08-31 19:07:38,813 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. [2023-08-31 19:07:38,823 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 167 selfloop transitions, 120 changer transitions 0/307 dead transitions. [2023-08-31 19:07:38,824 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 307 transitions, 3435 flow [2023-08-31 19:07:38,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 19:07:38,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 19:07:38,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1817 transitions. [2023-08-31 19:07:38,828 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42955082742316786 [2023-08-31 19:07:38,828 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1817 transitions. [2023-08-31 19:07:38,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1817 transitions. [2023-08-31 19:07:38,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:38,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1817 transitions. [2023-08-31 19:07:38,833 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) [2023-08-31 19:07:38,837 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) [2023-08-31 19:07:38,838 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) [2023-08-31 19:07:38,839 INFO L175 Difference]: Start difference. First operand has 111 places, 183 transitions, 1724 flow. Second operand 10 states and 1817 transitions. [2023-08-31 19:07:38,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 307 transitions, 3435 flow [2023-08-31 19:07:38,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 307 transitions, 3420 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-08-31 19:07:38,881 INFO L231 Difference]: Finished difference. Result has 124 places, 243 transitions, 2934 flow [2023-08-31 19:07:38,881 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} [2023-08-31 19:07:38,882 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 38 predicate places. [2023-08-31 19:07:38,882 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 243 transitions, 2934 flow [2023-08-31 19:07:38,883 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) [2023-08-31 19:07:38,883 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:38,883 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:38,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 19:07:38,883 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)] === [2023-08-31 19:07:38,884 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:38,884 INFO L85 PathProgramCache]: Analyzing trace with hash 46239022, now seen corresponding path program 2 times [2023-08-31 19:07:38,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:38,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062363710] [2023-08-31 19:07:38,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:38,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:39,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:39,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062363710] [2023-08-31 19:07:39,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062363710] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:39,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:39,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-31 19:07:39,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752032849] [2023-08-31 19:07:39,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:39,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-31 19:07:39,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:39,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-31 19:07:39,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-31 19:07:40,141 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-31 19:07:40,143 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) [2023-08-31 19:07:40,143 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:40,143 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-31 19:07:40,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:41,198 INFO L130 PetriNetUnfolder]: 2025/3577 cut-off events. [2023-08-31 19:07:41,198 INFO L131 PetriNetUnfolder]: For 25819/25819 co-relation queries the response was YES. [2023-08-31 19:07:41,207 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. [2023-08-31 19:07:41,218 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 217 selfloop transitions, 173 changer transitions 0/410 dead transitions. [2023-08-31 19:07:41,218 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 410 transitions, 5662 flow [2023-08-31 19:07:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 19:07:41,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 19:07:41,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1822 transitions. [2023-08-31 19:07:41,223 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307328605200946 [2023-08-31 19:07:41,223 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1822 transitions. [2023-08-31 19:07:41,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1822 transitions. [2023-08-31 19:07:41,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:41,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1822 transitions. [2023-08-31 19:07:41,227 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) [2023-08-31 19:07:41,232 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) [2023-08-31 19:07:41,232 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) [2023-08-31 19:07:41,233 INFO L175 Difference]: Start difference. First operand has 124 places, 243 transitions, 2934 flow. Second operand 10 states and 1822 transitions. [2023-08-31 19:07:41,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 410 transitions, 5662 flow [2023-08-31 19:07:41,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 410 transitions, 5518 flow, removed 63 selfloop flow, removed 3 redundant places. [2023-08-31 19:07:41,319 INFO L231 Difference]: Finished difference. Result has 136 places, 331 transitions, 4770 flow [2023-08-31 19:07:41,319 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} [2023-08-31 19:07:41,319 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 50 predicate places. [2023-08-31 19:07:41,320 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 331 transitions, 4770 flow [2023-08-31 19:07:41,321 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) [2023-08-31 19:07:41,321 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:41,321 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:41,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 19:07:41,321 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)] === [2023-08-31 19:07:41,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:41,322 INFO L85 PathProgramCache]: Analyzing trace with hash 884420874, now seen corresponding path program 3 times [2023-08-31 19:07:41,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:41,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726041039] [2023-08-31 19:07:41,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:41,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:41,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:41,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726041039] [2023-08-31 19:07:41,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726041039] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:41,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:41,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-31 19:07:41,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904278230] [2023-08-31 19:07:41,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:41,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-31 19:07:41,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:41,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-31 19:07:41,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-31 19:07:42,493 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-31 19:07:42,494 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) [2023-08-31 19:07:42,494 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:42,494 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-31 19:07:42,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:43,493 INFO L130 PetriNetUnfolder]: 2141/3804 cut-off events. [2023-08-31 19:07:43,493 INFO L131 PetriNetUnfolder]: For 36215/36215 co-relation queries the response was YES. [2023-08-31 19:07:43,504 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. [2023-08-31 19:07:43,521 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 184 selfloop transitions, 204 changer transitions 0/408 dead transitions. [2023-08-31 19:07:43,522 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 408 transitions, 6348 flow [2023-08-31 19:07:43,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:07:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:07:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1639 transitions. [2023-08-31 19:07:43,526 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4305227213028631 [2023-08-31 19:07:43,526 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1639 transitions. [2023-08-31 19:07:43,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1639 transitions. [2023-08-31 19:07:43,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:43,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1639 transitions. [2023-08-31 19:07:43,529 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) [2023-08-31 19:07:43,533 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) [2023-08-31 19:07:43,534 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) [2023-08-31 19:07:43,534 INFO L175 Difference]: Start difference. First operand has 136 places, 331 transitions, 4770 flow. Second operand 9 states and 1639 transitions. [2023-08-31 19:07:43,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 408 transitions, 6348 flow [2023-08-31 19:07:43,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 408 transitions, 6239 flow, removed 43 selfloop flow, removed 3 redundant places. [2023-08-31 19:07:43,647 INFO L231 Difference]: Finished difference. Result has 144 places, 360 transitions, 5942 flow [2023-08-31 19:07:43,647 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} [2023-08-31 19:07:43,648 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 58 predicate places. [2023-08-31 19:07:43,648 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 360 transitions, 5942 flow [2023-08-31 19:07:43,648 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) [2023-08-31 19:07:43,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:43,649 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:43,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-31 19:07:43,649 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)] === [2023-08-31 19:07:43,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:43,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1211064774, now seen corresponding path program 4 times [2023-08-31 19:07:43,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:43,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916497187] [2023-08-31 19:07:43,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:43,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:44,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:44,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916497187] [2023-08-31 19:07:44,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916497187] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:44,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:44,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-31 19:07:44,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945722295] [2023-08-31 19:07:44,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:44,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-31 19:07:44,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:44,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-31 19:07:44,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-31 19:07:44,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-31 19:07:44,931 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) [2023-08-31 19:07:44,931 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:44,931 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-31 19:07:44,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:46,287 INFO L130 PetriNetUnfolder]: 2310/4116 cut-off events. [2023-08-31 19:07:46,287 INFO L131 PetriNetUnfolder]: For 49939/49939 co-relation queries the response was YES. [2023-08-31 19:07:46,298 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. [2023-08-31 19:07:46,312 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 230 selfloop transitions, 234 changer transitions 0/484 dead transitions. [2023-08-31 19:07:46,312 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 484 transitions, 8519 flow [2023-08-31 19:07:46,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 19:07:46,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 19:07:46,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1821 transitions. [2023-08-31 19:07:46,317 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43049645390070923 [2023-08-31 19:07:46,317 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1821 transitions. [2023-08-31 19:07:46,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1821 transitions. [2023-08-31 19:07:46,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:46,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1821 transitions. [2023-08-31 19:07:46,321 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) [2023-08-31 19:07:46,325 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) [2023-08-31 19:07:46,325 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) [2023-08-31 19:07:46,325 INFO L175 Difference]: Start difference. First operand has 144 places, 360 transitions, 5942 flow. Second operand 10 states and 1821 transitions. [2023-08-31 19:07:46,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 484 transitions, 8519 flow [2023-08-31 19:07:46,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 484 transitions, 8358 flow, removed 7 selfloop flow, removed 5 redundant places. [2023-08-31 19:07:46,461 INFO L231 Difference]: Finished difference. Result has 153 places, 416 transitions, 7682 flow [2023-08-31 19:07:46,462 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} [2023-08-31 19:07:46,462 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 67 predicate places. [2023-08-31 19:07:46,463 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 416 transitions, 7682 flow [2023-08-31 19:07:46,463 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) [2023-08-31 19:07:46,463 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:46,463 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:46,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-31 19:07:46,463 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)] === [2023-08-31 19:07:46,464 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:46,464 INFO L85 PathProgramCache]: Analyzing trace with hash 891170814, now seen corresponding path program 5 times [2023-08-31 19:07:46,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:46,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883630137] [2023-08-31 19:07:46,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:46,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:46,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:46,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:46,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883630137] [2023-08-31 19:07:46,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883630137] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:46,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:46,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-31 19:07:46,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813025610] [2023-08-31 19:07:46,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:46,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-31 19:07:46,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:46,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-31 19:07:46,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-31 19:07:47,570 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-31 19:07:47,573 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) [2023-08-31 19:07:47,573 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:47,573 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-31 19:07:47,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:48,944 INFO L130 PetriNetUnfolder]: 2333/4193 cut-off events. [2023-08-31 19:07:48,944 INFO L131 PetriNetUnfolder]: For 62668/62668 co-relation queries the response was YES. [2023-08-31 19:07:48,957 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. [2023-08-31 19:07:48,973 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 220 selfloop transitions, 259 changer transitions 0/499 dead transitions. [2023-08-31 19:07:48,973 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 499 transitions, 9600 flow [2023-08-31 19:07:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 19:07:48,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 19:07:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1818 transitions. [2023-08-31 19:07:48,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4297872340425532 [2023-08-31 19:07:48,978 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1818 transitions. [2023-08-31 19:07:48,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1818 transitions. [2023-08-31 19:07:48,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:48,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1818 transitions. [2023-08-31 19:07:48,982 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) [2023-08-31 19:07:48,986 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) [2023-08-31 19:07:48,987 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) [2023-08-31 19:07:48,987 INFO L175 Difference]: Start difference. First operand has 153 places, 416 transitions, 7682 flow. Second operand 10 states and 1818 transitions. [2023-08-31 19:07:48,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 499 transitions, 9600 flow [2023-08-31 19:07:49,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 499 transitions, 9450 flow, removed 57 selfloop flow, removed 3 redundant places. [2023-08-31 19:07:49,203 INFO L231 Difference]: Finished difference. Result has 163 places, 449 transitions, 9051 flow [2023-08-31 19:07:49,203 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} [2023-08-31 19:07:49,204 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 77 predicate places. [2023-08-31 19:07:49,204 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 449 transitions, 9051 flow [2023-08-31 19:07:49,205 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) [2023-08-31 19:07:49,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:49,205 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:49,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-31 19:07:49,205 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)] === [2023-08-31 19:07:49,205 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:49,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1211987799, now seen corresponding path program 4 times [2023-08-31 19:07:49,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:49,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900064943] [2023-08-31 19:07:49,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:49,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:49,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:49,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900064943] [2023-08-31 19:07:49,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900064943] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:49,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:49,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-31 19:07:49,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883208521] [2023-08-31 19:07:49,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:49,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-31 19:07:49,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:49,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-31 19:07:49,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-31 19:07:50,461 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-31 19:07:50,462 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) [2023-08-31 19:07:50,462 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:50,463 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-31 19:07:50,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:52,005 INFO L130 PetriNetUnfolder]: 2520/4535 cut-off events. [2023-08-31 19:07:52,005 INFO L131 PetriNetUnfolder]: For 80619/80619 co-relation queries the response was YES. [2023-08-31 19:07:52,022 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. [2023-08-31 19:07:52,036 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 269 selfloop transitions, 301 changer transitions 0/590 dead transitions. [2023-08-31 19:07:52,036 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 590 transitions, 12650 flow [2023-08-31 19:07:52,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 19:07:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 19:07:52,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1816 transitions. [2023-08-31 19:07:52,042 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4293144208037825 [2023-08-31 19:07:52,042 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1816 transitions. [2023-08-31 19:07:52,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1816 transitions. [2023-08-31 19:07:52,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:52,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1816 transitions. [2023-08-31 19:07:52,047 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) [2023-08-31 19:07:52,051 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) [2023-08-31 19:07:52,052 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) [2023-08-31 19:07:52,052 INFO L175 Difference]: Start difference. First operand has 163 places, 449 transitions, 9051 flow. Second operand 10 states and 1816 transitions. [2023-08-31 19:07:52,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 590 transitions, 12650 flow [2023-08-31 19:07:52,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 590 transitions, 12485 flow, removed 36 selfloop flow, removed 4 redundant places. [2023-08-31 19:07:52,322 INFO L231 Difference]: Finished difference. Result has 173 places, 521 transitions, 11645 flow [2023-08-31 19:07:52,322 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} [2023-08-31 19:07:52,323 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 87 predicate places. [2023-08-31 19:07:52,323 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 521 transitions, 11645 flow [2023-08-31 19:07:52,323 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) [2023-08-31 19:07:52,324 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:52,324 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:52,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-31 19:07:52,324 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)] === [2023-08-31 19:07:52,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:52,325 INFO L85 PathProgramCache]: Analyzing trace with hash 891138729, now seen corresponding path program 5 times [2023-08-31 19:07:52,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:52,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707497976] [2023-08-31 19:07:52,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:52,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:52,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:52,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707497976] [2023-08-31 19:07:52,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707497976] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:52,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:52,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-31 19:07:52,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362220333] [2023-08-31 19:07:52,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:52,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-31 19:07:52,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:52,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-31 19:07:52,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-31 19:07:53,627 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-31 19:07:53,628 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) [2023-08-31 19:07:53,628 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:53,628 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-31 19:07:53,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:55,320 INFO L130 PetriNetUnfolder]: 2557/4636 cut-off events. [2023-08-31 19:07:55,320 INFO L131 PetriNetUnfolder]: For 96053/96053 co-relation queries the response was YES. [2023-08-31 19:07:55,337 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. [2023-08-31 19:07:55,351 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 248 selfloop transitions, 341 changer transitions 0/609 dead transitions. [2023-08-31 19:07:55,351 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 609 transitions, 14192 flow [2023-08-31 19:07:55,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 19:07:55,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 19:07:55,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1813 transitions. [2023-08-31 19:07:55,353 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4286052009456265 [2023-08-31 19:07:55,353 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1813 transitions. [2023-08-31 19:07:55,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1813 transitions. [2023-08-31 19:07:55,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:55,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1813 transitions. [2023-08-31 19:07:55,355 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) [2023-08-31 19:07:55,358 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) [2023-08-31 19:07:55,358 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) [2023-08-31 19:07:55,358 INFO L175 Difference]: Start difference. First operand has 173 places, 521 transitions, 11645 flow. Second operand 10 states and 1813 transitions. [2023-08-31 19:07:55,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 609 transitions, 14192 flow [2023-08-31 19:07:55,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 609 transitions, 14006 flow, removed 75 selfloop flow, removed 3 redundant places. [2023-08-31 19:07:55,641 INFO L231 Difference]: Finished difference. Result has 183 places, 564 transitions, 13667 flow [2023-08-31 19:07:55,642 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} [2023-08-31 19:07:55,642 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 97 predicate places. [2023-08-31 19:07:55,642 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 564 transitions, 13667 flow [2023-08-31 19:07:55,643 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) [2023-08-31 19:07:55,643 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:55,643 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:55,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-31 19:07:55,643 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)] === [2023-08-31 19:07:55,643 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:55,644 INFO L85 PathProgramCache]: Analyzing trace with hash 677337730, now seen corresponding path program 1 times [2023-08-31 19:07:55,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:55,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161393200] [2023-08-31 19:07:55,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:55,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:55,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:55,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161393200] [2023-08-31 19:07:55,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161393200] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:55,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:55,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 19:07:55,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126897083] [2023-08-31 19:07:55,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:55,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 19:07:55,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:55,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 19:07:55,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 19:07:56,185 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 423 [2023-08-31 19:07:56,186 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) [2023-08-31 19:07:56,186 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:56,186 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 423 [2023-08-31 19:07:56,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:07:57,254 INFO L130 PetriNetUnfolder]: 2336/4345 cut-off events. [2023-08-31 19:07:57,254 INFO L131 PetriNetUnfolder]: For 89611/89758 co-relation queries the response was YES. [2023-08-31 19:07:57,271 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. [2023-08-31 19:07:57,283 INFO L137 encePairwiseOnDemand]: 417/423 looper letters, 497 selfloop transitions, 5 changer transitions 0/563 dead transitions. [2023-08-31 19:07:57,284 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 563 transitions, 14669 flow [2023-08-31 19:07:57,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 19:07:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 19:07:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1020 transitions. [2023-08-31 19:07:57,286 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40189125295508277 [2023-08-31 19:07:57,286 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1020 transitions. [2023-08-31 19:07:57,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1020 transitions. [2023-08-31 19:07:57,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:07:57,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1020 transitions. [2023-08-31 19:07:57,287 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) [2023-08-31 19:07:57,289 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) [2023-08-31 19:07:57,289 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) [2023-08-31 19:07:57,289 INFO L175 Difference]: Start difference. First operand has 183 places, 564 transitions, 13667 flow. Second operand 6 states and 1020 transitions. [2023-08-31 19:07:57,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 563 transitions, 14669 flow [2023-08-31 19:07:57,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 563 transitions, 14506 flow, removed 35 selfloop flow, removed 4 redundant places. [2023-08-31 19:07:57,543 INFO L231 Difference]: Finished difference. Result has 183 places, 563 transitions, 13512 flow [2023-08-31 19:07:57,543 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} [2023-08-31 19:07:57,544 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 97 predicate places. [2023-08-31 19:07:57,544 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 563 transitions, 13512 flow [2023-08-31 19:07:57,544 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) [2023-08-31 19:07:57,544 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:07:57,544 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:07:57,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-31 19:07:57,544 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)] === [2023-08-31 19:07:57,545 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:07:57,545 INFO L85 PathProgramCache]: Analyzing trace with hash 384526313, now seen corresponding path program 1 times [2023-08-31 19:07:57,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:07:57,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307715749] [2023-08-31 19:07:57,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:07:57,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:07:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:07:58,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:07:58,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:07:58,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307715749] [2023-08-31 19:07:58,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307715749] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:07:58,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:07:58,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:07:58,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488153182] [2023-08-31 19:07:58,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:07:58,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:07:58,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:07:58,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:07:58,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:07:59,052 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-31 19:07:59,053 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) [2023-08-31 19:07:59,053 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:07:59,053 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-31 19:07:59,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:08:01,573 INFO L130 PetriNetUnfolder]: 4125/7516 cut-off events. [2023-08-31 19:08:01,573 INFO L131 PetriNetUnfolder]: For 166258/166258 co-relation queries the response was YES. [2023-08-31 19:08:01,603 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. [2023-08-31 19:08:01,627 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 639 selfloop transitions, 207 changer transitions 0/865 dead transitions. [2023-08-31 19:08:01,628 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 865 transitions, 20582 flow [2023-08-31 19:08:01,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-31 19:08:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-31 19:08:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2383 transitions. [2023-08-31 19:08:01,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43335151845790143 [2023-08-31 19:08:01,630 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2383 transitions. [2023-08-31 19:08:01,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2383 transitions. [2023-08-31 19:08:01,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:08:01,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2383 transitions. [2023-08-31 19:08:01,633 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) [2023-08-31 19:08:01,638 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) [2023-08-31 19:08:01,638 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) [2023-08-31 19:08:01,638 INFO L175 Difference]: Start difference. First operand has 183 places, 563 transitions, 13512 flow. Second operand 13 states and 2383 transitions. [2023-08-31 19:08:01,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 865 transitions, 20582 flow [2023-08-31 19:08:02,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 865 transitions, 20552 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 19:08:02,293 INFO L231 Difference]: Finished difference. Result has 198 places, 649 transitions, 16667 flow [2023-08-31 19:08:02,294 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} [2023-08-31 19:08:02,294 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 112 predicate places. [2023-08-31 19:08:02,294 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 649 transitions, 16667 flow [2023-08-31 19:08:02,295 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) [2023-08-31 19:08:02,295 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:08:02,295 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:08:02,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-31 19:08:02,295 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)] === [2023-08-31 19:08:02,295 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:08:02,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1867631771, now seen corresponding path program 2 times [2023-08-31 19:08:02,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:08:02,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737461782] [2023-08-31 19:08:02,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:08:02,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:08:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:08:02,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:08:02,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:08:02,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737461782] [2023-08-31 19:08:02,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737461782] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:08:02,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:08:02,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:08:02,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511852198] [2023-08-31 19:08:02,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:08:02,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:08:02,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:08:02,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:08:02,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:08:03,978 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-31 19:08:03,979 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) [2023-08-31 19:08:03,979 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:08:03,979 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-31 19:08:03,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:08:06,905 INFO L130 PetriNetUnfolder]: 4276/7764 cut-off events. [2023-08-31 19:08:06,906 INFO L131 PetriNetUnfolder]: For 206718/206728 co-relation queries the response was YES. [2023-08-31 19:08:06,943 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. [2023-08-31 19:08:06,971 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 550 selfloop transitions, 211 changer transitions 0/780 dead transitions. [2023-08-31 19:08:06,971 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 780 transitions, 19936 flow [2023-08-31 19:08:06,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-31 19:08:06,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-31 19:08:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2358 transitions. [2023-08-31 19:08:06,974 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4288052373158756 [2023-08-31 19:08:06,974 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2358 transitions. [2023-08-31 19:08:06,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2358 transitions. [2023-08-31 19:08:06,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:08:06,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2358 transitions. [2023-08-31 19:08:06,978 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) [2023-08-31 19:08:06,981 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) [2023-08-31 19:08:06,981 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) [2023-08-31 19:08:06,981 INFO L175 Difference]: Start difference. First operand has 198 places, 649 transitions, 16667 flow. Second operand 13 states and 2358 transitions. [2023-08-31 19:08:06,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 780 transitions, 19936 flow [2023-08-31 19:08:07,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 780 transitions, 19853 flow, removed 8 selfloop flow, removed 4 redundant places. [2023-08-31 19:08:07,941 INFO L231 Difference]: Finished difference. Result has 211 places, 677 transitions, 18085 flow [2023-08-31 19:08:07,942 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} [2023-08-31 19:08:07,942 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 125 predicate places. [2023-08-31 19:08:07,942 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 677 transitions, 18085 flow [2023-08-31 19:08:07,942 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) [2023-08-31 19:08:07,942 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:08:07,942 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:08:07,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-31 19:08:07,942 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)] === [2023-08-31 19:08:07,943 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:08:07,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1017124957, now seen corresponding path program 3 times [2023-08-31 19:08:07,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:08:07,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060529149] [2023-08-31 19:08:07,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:08:07,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:08:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:08:08,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:08:08,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:08:08,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060529149] [2023-08-31 19:08:08,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060529149] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:08:08,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:08:08,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:08:08,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236163484] [2023-08-31 19:08:08,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:08:08,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:08:08,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:08:08,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:08:08,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:08:09,393 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-31 19:08:09,395 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) [2023-08-31 19:08:09,395 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:08:09,395 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-31 19:08:09,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:08:12,558 INFO L130 PetriNetUnfolder]: 4422/8128 cut-off events. [2023-08-31 19:08:12,558 INFO L131 PetriNetUnfolder]: For 246533/246533 co-relation queries the response was YES. [2023-08-31 19:08:12,603 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. [2023-08-31 19:08:12,637 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 669 selfloop transitions, 222 changer transitions 0/910 dead transitions. [2023-08-31 19:08:12,637 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 910 transitions, 23523 flow [2023-08-31 19:08:12,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-31 19:08:12,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-31 19:08:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2562 transitions. [2023-08-31 19:08:12,641 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4326241134751773 [2023-08-31 19:08:12,641 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2562 transitions. [2023-08-31 19:08:12,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2562 transitions. [2023-08-31 19:08:12,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:08:12,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2562 transitions. [2023-08-31 19:08:12,645 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) [2023-08-31 19:08:12,648 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) [2023-08-31 19:08:12,649 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) [2023-08-31 19:08:12,649 INFO L175 Difference]: Start difference. First operand has 211 places, 677 transitions, 18085 flow. Second operand 14 states and 2562 transitions. [2023-08-31 19:08:12,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 910 transitions, 23523 flow [2023-08-31 19:08:13,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 910 transitions, 23433 flow, removed 5 selfloop flow, removed 6 redundant places. [2023-08-31 19:08:13,791 INFO L231 Difference]: Finished difference. Result has 223 places, 693 transitions, 18977 flow [2023-08-31 19:08:13,791 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} [2023-08-31 19:08:13,792 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 137 predicate places. [2023-08-31 19:08:13,792 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 693 transitions, 18977 flow [2023-08-31 19:08:13,792 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) [2023-08-31 19:08:13,792 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:08:13,792 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:08:13,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-31 19:08:13,793 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)] === [2023-08-31 19:08:13,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:08:13,793 INFO L85 PathProgramCache]: Analyzing trace with hash 869501923, now seen corresponding path program 4 times [2023-08-31 19:08:13,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:08:13,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28283492] [2023-08-31 19:08:13,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:08:13,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:08:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:08:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:08:14,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:08:14,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28283492] [2023-08-31 19:08:14,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28283492] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:08:14,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:08:14,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:08:14,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835020621] [2023-08-31 19:08:14,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:08:14,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:08:14,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:08:14,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:08:14,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:08:15,334 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-31 19:08:15,336 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) [2023-08-31 19:08:15,336 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:08:15,336 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-31 19:08:15,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:08:18,613 INFO L130 PetriNetUnfolder]: 4653/8517 cut-off events. [2023-08-31 19:08:18,613 INFO L131 PetriNetUnfolder]: For 289623/289633 co-relation queries the response was YES. [2023-08-31 19:08:18,658 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. [2023-08-31 19:08:18,691 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 511 selfloop transitions, 316 changer transitions 0/846 dead transitions. [2023-08-31 19:08:18,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 846 transitions, 22723 flow [2023-08-31 19:08:18,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-31 19:08:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-31 19:08:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3246 transitions. [2023-08-31 19:08:18,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42631993695823484 [2023-08-31 19:08:18,694 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3246 transitions. [2023-08-31 19:08:18,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3246 transitions. [2023-08-31 19:08:18,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:08:18,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3246 transitions. [2023-08-31 19:08:18,697 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) [2023-08-31 19:08:18,700 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) [2023-08-31 19:08:18,701 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) [2023-08-31 19:08:18,701 INFO L175 Difference]: Start difference. First operand has 223 places, 693 transitions, 18977 flow. Second operand 18 states and 3246 transitions. [2023-08-31 19:08:18,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 846 transitions, 22723 flow [2023-08-31 19:08:19,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 846 transitions, 22493 flow, removed 9 selfloop flow, removed 6 redundant places. [2023-08-31 19:08:19,807 INFO L231 Difference]: Finished difference. Result has 239 places, 737 transitions, 20893 flow [2023-08-31 19:08:19,808 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} [2023-08-31 19:08:19,808 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 153 predicate places. [2023-08-31 19:08:19,808 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 737 transitions, 20893 flow [2023-08-31 19:08:19,808 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) [2023-08-31 19:08:19,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:08:19,808 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:08:19,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-31 19:08:19,809 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)] === [2023-08-31 19:08:19,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:08:19,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1342677037, now seen corresponding path program 5 times [2023-08-31 19:08:19,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:08:19,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552702064] [2023-08-31 19:08:19,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:08:19,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:08:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:08:20,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:08:20,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:08:20,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552702064] [2023-08-31 19:08:20,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552702064] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:08:20,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:08:20,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:08:20,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368763135] [2023-08-31 19:08:20,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:08:20,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:08:20,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:08:20,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:08:20,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:08:21,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 423 [2023-08-31 19:08:21,289 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) [2023-08-31 19:08:21,289 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:08:21,289 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 423 [2023-08-31 19:08:21,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:08:24,911 INFO L130 PetriNetUnfolder]: 4830/8932 cut-off events. [2023-08-31 19:08:24,911 INFO L131 PetriNetUnfolder]: For 328635/328635 co-relation queries the response was YES. [2023-08-31 19:08:24,960 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. [2023-08-31 19:08:24,991 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 719 selfloop transitions, 238 changer transitions 0/976 dead transitions. [2023-08-31 19:08:24,991 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 976 transitions, 26964 flow [2023-08-31 19:08:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-31 19:08:24,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-31 19:08:24,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2696 transitions. [2023-08-31 19:08:24,993 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4249014972419228 [2023-08-31 19:08:24,994 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2696 transitions. [2023-08-31 19:08:24,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2696 transitions. [2023-08-31 19:08:24,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:08:24,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2696 transitions. [2023-08-31 19:08:24,997 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) [2023-08-31 19:08:25,001 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) [2023-08-31 19:08:25,001 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) [2023-08-31 19:08:25,002 INFO L175 Difference]: Start difference. First operand has 239 places, 737 transitions, 20893 flow. Second operand 15 states and 2696 transitions. [2023-08-31 19:08:25,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 976 transitions, 26964 flow [2023-08-31 19:08:26,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 976 transitions, 26700 flow, removed 128 selfloop flow, removed 3 redundant places. [2023-08-31 19:08:26,534 INFO L231 Difference]: Finished difference. Result has 257 places, 757 transitions, 21839 flow [2023-08-31 19:08:26,535 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} [2023-08-31 19:08:26,535 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 171 predicate places. [2023-08-31 19:08:26,536 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 757 transitions, 21839 flow [2023-08-31 19:08:26,536 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) [2023-08-31 19:08:26,536 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:08:26,536 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:08:26,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-31 19:08:26,537 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)] === [2023-08-31 19:08:26,537 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:08:26,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1190304493, now seen corresponding path program 6 times [2023-08-31 19:08:26,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:08:26,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116178650] [2023-08-31 19:08:26,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:08:26,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:08:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:08:26,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:08:26,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:08:26,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116178650] [2023-08-31 19:08:26,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116178650] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:08:26,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:08:26,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:08:26,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806847235] [2023-08-31 19:08:26,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:08:26,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:08:26,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:08:26,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:08:26,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:08:28,030 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-31 19:08:28,031 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) [2023-08-31 19:08:28,032 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:08:28,032 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-31 19:08:28,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:08:31,563 INFO L130 PetriNetUnfolder]: 5106/9394 cut-off events. [2023-08-31 19:08:31,563 INFO L131 PetriNetUnfolder]: For 373628/373638 co-relation queries the response was YES. [2023-08-31 19:08:31,617 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. [2023-08-31 19:08:31,652 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 579 selfloop transitions, 326 changer transitions 0/924 dead transitions. [2023-08-31 19:08:31,653 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 924 transitions, 26296 flow [2023-08-31 19:08:31,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-31 19:08:31,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-31 19:08:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3250 transitions. [2023-08-31 19:08:31,655 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42684528500131336 [2023-08-31 19:08:31,655 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3250 transitions. [2023-08-31 19:08:31,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3250 transitions. [2023-08-31 19:08:31,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:08:31,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3250 transitions. [2023-08-31 19:08:31,659 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) [2023-08-31 19:08:31,664 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) [2023-08-31 19:08:31,665 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) [2023-08-31 19:08:31,665 INFO L175 Difference]: Start difference. First operand has 257 places, 757 transitions, 21839 flow. Second operand 18 states and 3250 transitions. [2023-08-31 19:08:31,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 924 transitions, 26296 flow [2023-08-31 19:08:33,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 924 transitions, 25871 flow, removed 22 selfloop flow, removed 7 redundant places. [2023-08-31 19:08:33,602 INFO L231 Difference]: Finished difference. Result has 273 places, 822 transitions, 24483 flow [2023-08-31 19:08:33,603 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} [2023-08-31 19:08:33,605 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 187 predicate places. [2023-08-31 19:08:33,606 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 822 transitions, 24483 flow [2023-08-31 19:08:33,606 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) [2023-08-31 19:08:33,606 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:08:33,606 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:08:33,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-31 19:08:33,607 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)] === [2023-08-31 19:08:33,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:08:33,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1117777293, now seen corresponding path program 7 times [2023-08-31 19:08:33,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:08:33,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968289803] [2023-08-31 19:08:33,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:08:33,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:08:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:08:33,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:08:33,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:08:33,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968289803] [2023-08-31 19:08:33,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968289803] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:08:33,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:08:33,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:08:33,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958042594] [2023-08-31 19:08:33,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:08:33,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:08:33,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:08:33,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:08:33,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:08:34,843 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-31 19:08:34,844 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) [2023-08-31 19:08:34,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:08:34,845 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-31 19:08:34,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:08:39,267 INFO L130 PetriNetUnfolder]: 5314/9860 cut-off events. [2023-08-31 19:08:39,268 INFO L131 PetriNetUnfolder]: For 431794/431794 co-relation queries the response was YES. [2023-08-31 19:08:39,338 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. [2023-08-31 19:08:39,377 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 666 selfloop transitions, 408 changer transitions 0/1093 dead transitions. [2023-08-31 19:08:39,377 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 1093 transitions, 31410 flow [2023-08-31 19:08:39,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-08-31 19:08:39,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-08-31 19:08:39,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3993 transitions. [2023-08-31 19:08:39,382 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42907801418439717 [2023-08-31 19:08:39,382 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 3993 transitions. [2023-08-31 19:08:39,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 3993 transitions. [2023-08-31 19:08:39,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:08:39,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 3993 transitions. [2023-08-31 19:08:39,387 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) [2023-08-31 19:08:39,393 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) [2023-08-31 19:08:39,393 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) [2023-08-31 19:08:39,393 INFO L175 Difference]: Start difference. First operand has 273 places, 822 transitions, 24483 flow. Second operand 22 states and 3993 transitions. [2023-08-31 19:08:39,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 1093 transitions, 31410 flow [2023-08-31 19:08:42,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 1093 transitions, 31245 flow, removed 52 selfloop flow, removed 5 redundant places. [2023-08-31 19:08:42,120 INFO L231 Difference]: Finished difference. Result has 299 places, 849 transitions, 26246 flow [2023-08-31 19:08:42,121 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} [2023-08-31 19:08:42,121 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 213 predicate places. [2023-08-31 19:08:42,121 INFO L495 AbstractCegarLoop]: Abstraction has has 299 places, 849 transitions, 26246 flow [2023-08-31 19:08:42,122 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) [2023-08-31 19:08:42,122 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:08:42,122 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:08:42,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-31 19:08:42,122 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)] === [2023-08-31 19:08:42,122 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:08:42,122 INFO L85 PathProgramCache]: Analyzing trace with hash 135165731, now seen corresponding path program 8 times [2023-08-31 19:08:42,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:08:42,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522165837] [2023-08-31 19:08:42,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:08:42,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:08:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:08:42,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:08:42,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:08:42,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522165837] [2023-08-31 19:08:42,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522165837] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:08:42,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:08:42,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:08:42,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912816880] [2023-08-31 19:08:42,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:08:42,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:08:42,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:08:42,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:08:42,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:08:43,378 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-31 19:08:43,379 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) [2023-08-31 19:08:43,379 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:08:43,379 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-31 19:08:43,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:08:47,387 INFO L130 PetriNetUnfolder]: 5628/10384 cut-off events. [2023-08-31 19:08:47,387 INFO L131 PetriNetUnfolder]: For 498842/498852 co-relation queries the response was YES. [2023-08-31 19:08:47,462 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. [2023-08-31 19:08:47,505 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 657 selfloop transitions, 349 changer transitions 0/1025 dead transitions. [2023-08-31 19:08:47,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 1025 transitions, 30926 flow [2023-08-31 19:08:47,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-08-31 19:08:47,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-08-31 19:08:47,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3956 transitions. [2023-08-31 19:08:47,508 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42510208467655275 [2023-08-31 19:08:47,508 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 3956 transitions. [2023-08-31 19:08:47,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 3956 transitions. [2023-08-31 19:08:47,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:08:47,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 3956 transitions. [2023-08-31 19:08:47,513 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) [2023-08-31 19:08:47,519 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) [2023-08-31 19:08:47,519 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) [2023-08-31 19:08:47,519 INFO L175 Difference]: Start difference. First operand has 299 places, 849 transitions, 26246 flow. Second operand 22 states and 3956 transitions. [2023-08-31 19:08:47,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 1025 transitions, 30926 flow [2023-08-31 19:08:50,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 1025 transitions, 30220 flow, removed 141 selfloop flow, removed 7 redundant places. [2023-08-31 19:08:50,660 INFO L231 Difference]: Finished difference. Result has 322 places, 909 transitions, 28457 flow [2023-08-31 19:08:50,661 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} [2023-08-31 19:08:50,661 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 236 predicate places. [2023-08-31 19:08:50,661 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 909 transitions, 28457 flow [2023-08-31 19:08:50,661 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) [2023-08-31 19:08:50,661 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:08:50,662 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:08:50,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-31 19:08:50,662 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)] === [2023-08-31 19:08:50,665 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:08:50,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1177211551, now seen corresponding path program 9 times [2023-08-31 19:08:50,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:08:50,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147711022] [2023-08-31 19:08:50,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:08:50,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:08:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:08:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:08:51,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:08:51,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147711022] [2023-08-31 19:08:51,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147711022] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:08:51,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:08:51,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:08:51,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908296849] [2023-08-31 19:08:51,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:08:51,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:08:51,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:08:51,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:08:51,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:08:52,075 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-31 19:08:52,076 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) [2023-08-31 19:08:52,076 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:08:52,076 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-31 19:08:52,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:08:56,866 INFO L130 PetriNetUnfolder]: 5604/10379 cut-off events. [2023-08-31 19:08:56,866 INFO L131 PetriNetUnfolder]: For 521012/521017 co-relation queries the response was YES. [2023-08-31 19:08:56,947 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. [2023-08-31 19:08:56,991 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 824 selfloop transitions, 299 changer transitions 0/1142 dead transitions. [2023-08-31 19:08:56,991 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 1142 transitions, 35111 flow [2023-08-31 19:08:56,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-08-31 19:08:56,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-08-31 19:08:56,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3617 transitions. [2023-08-31 19:08:56,994 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4275413711583924 [2023-08-31 19:08:56,994 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3617 transitions. [2023-08-31 19:08:56,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3617 transitions. [2023-08-31 19:08:56,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:08:56,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3617 transitions. [2023-08-31 19:08:56,997 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) [2023-08-31 19:08:57,002 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) [2023-08-31 19:08:57,003 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) [2023-08-31 19:08:57,003 INFO L175 Difference]: Start difference. First operand has 322 places, 909 transitions, 28457 flow. Second operand 20 states and 3617 transitions. [2023-08-31 19:08:57,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 1142 transitions, 35111 flow [2023-08-31 19:09:00,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 1142 transitions, 34893 flow, removed 105 selfloop flow, removed 3 redundant places. [2023-08-31 19:09:00,989 INFO L231 Difference]: Finished difference. Result has 343 places, 922 transitions, 29302 flow [2023-08-31 19:09:00,990 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} [2023-08-31 19:09:00,991 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 257 predicate places. [2023-08-31 19:09:00,991 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 922 transitions, 29302 flow [2023-08-31 19:09:00,991 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) [2023-08-31 19:09:00,991 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:09:00,991 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:09:00,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-31 19:09:00,991 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)] === [2023-08-31 19:09:00,992 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:09:00,992 INFO L85 PathProgramCache]: Analyzing trace with hash 150334581, now seen corresponding path program 10 times [2023-08-31 19:09:00,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:09:00,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887863157] [2023-08-31 19:09:00,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:09:00,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:09:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:09:01,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:09:01,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:09:01,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887863157] [2023-08-31 19:09:01,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887863157] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:09:01,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:09:01,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:09:01,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532411812] [2023-08-31 19:09:01,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:09:01,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:09:01,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:09:01,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:09:01,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:09:02,260 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-31 19:09:02,261 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) [2023-08-31 19:09:02,261 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:09:02,261 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-31 19:09:02,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:09:07,888 INFO L130 PetriNetUnfolder]: 7305/13459 cut-off events. [2023-08-31 19:09:07,888 INFO L131 PetriNetUnfolder]: For 697198/697208 co-relation queries the response was YES. [2023-08-31 19:09:07,990 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. [2023-08-31 19:09:08,041 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 869 selfloop transitions, 373 changer transitions 0/1261 dead transitions. [2023-08-31 19:09:08,042 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 1261 transitions, 39801 flow [2023-08-31 19:09:08,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-31 19:09:08,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-31 19:09:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2915 transitions. [2023-08-31 19:09:08,044 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307033096926714 [2023-08-31 19:09:08,044 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2915 transitions. [2023-08-31 19:09:08,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2915 transitions. [2023-08-31 19:09:08,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:09:08,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2915 transitions. [2023-08-31 19:09:08,048 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) [2023-08-31 19:09:08,052 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) [2023-08-31 19:09:08,052 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) [2023-08-31 19:09:08,052 INFO L175 Difference]: Start difference. First operand has 343 places, 922 transitions, 29302 flow. Second operand 16 states and 2915 transitions. [2023-08-31 19:09:08,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 1261 transitions, 39801 flow [2023-08-31 19:09:13,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 1261 transitions, 39192 flow, removed 18 selfloop flow, removed 9 redundant places. [2023-08-31 19:09:13,636 INFO L231 Difference]: Finished difference. Result has 358 places, 1046 transitions, 34854 flow [2023-08-31 19:09:13,637 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} [2023-08-31 19:09:13,637 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 272 predicate places. [2023-08-31 19:09:13,637 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 1046 transitions, 34854 flow [2023-08-31 19:09:13,637 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) [2023-08-31 19:09:13,637 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:09:13,637 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:09:13,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-31 19:09:13,638 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)] === [2023-08-31 19:09:13,638 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:09:13,638 INFO L85 PathProgramCache]: Analyzing trace with hash 2045596497, now seen corresponding path program 11 times [2023-08-31 19:09:13,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:09:13,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657516596] [2023-08-31 19:09:13,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:09:13,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:09:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:09:13,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:09:13,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:09:13,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657516596] [2023-08-31 19:09:13,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657516596] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:09:13,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:09:13,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:09:13,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753504398] [2023-08-31 19:09:13,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:09:13,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:09:13,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:09:13,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:09:13,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:09:14,962 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-31 19:09:14,963 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) [2023-08-31 19:09:14,963 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:09:14,963 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-31 19:09:14,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:09:22,248 INFO L130 PetriNetUnfolder]: 7922/14840 cut-off events. [2023-08-31 19:09:22,249 INFO L131 PetriNetUnfolder]: For 849996/849996 co-relation queries the response was YES. [2023-08-31 19:09:22,366 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. [2023-08-31 19:09:22,421 INFO L137 encePairwiseOnDemand]: 406/423 looper letters, 779 selfloop transitions, 534 changer transitions 0/1332 dead transitions. [2023-08-31 19:09:22,421 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 1332 transitions, 45092 flow [2023-08-31 19:09:22,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-31 19:09:22,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-31 19:09:22,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2925 transitions. [2023-08-31 19:09:22,423 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4321808510638298 [2023-08-31 19:09:22,423 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2925 transitions. [2023-08-31 19:09:22,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2925 transitions. [2023-08-31 19:09:22,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:09:22,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2925 transitions. [2023-08-31 19:09:22,426 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) [2023-08-31 19:09:22,430 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) [2023-08-31 19:09:22,430 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) [2023-08-31 19:09:22,430 INFO L175 Difference]: Start difference. First operand has 358 places, 1046 transitions, 34854 flow. Second operand 16 states and 2925 transitions. [2023-08-31 19:09:22,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 1332 transitions, 45092 flow [2023-08-31 19:09:29,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 1332 transitions, 44860 flow, removed 55 selfloop flow, removed 5 redundant places. [2023-08-31 19:09:29,419 INFO L231 Difference]: Finished difference. Result has 377 places, 1159 transitions, 41507 flow [2023-08-31 19:09:29,420 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} [2023-08-31 19:09:29,420 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 291 predicate places. [2023-08-31 19:09:29,420 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 1159 transitions, 41507 flow [2023-08-31 19:09:29,421 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) [2023-08-31 19:09:29,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:09:29,421 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:09:29,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-31 19:09:29,421 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)] === [2023-08-31 19:09:29,422 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:09:29,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1344052219, now seen corresponding path program 12 times [2023-08-31 19:09:29,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:09:29,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635980214] [2023-08-31 19:09:29,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:09:29,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:09:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:09:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:09:29,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:09:29,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635980214] [2023-08-31 19:09:29,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635980214] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:09:29,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:09:29,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:09:29,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513388205] [2023-08-31 19:09:29,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:09:29,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:09:29,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:09:29,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:09:29,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:09:30,694 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-31 19:09:30,695 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) [2023-08-31 19:09:30,695 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:09:30,695 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-31 19:09:30,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:09:37,922 INFO L130 PetriNetUnfolder]: 7898/14765 cut-off events. [2023-08-31 19:09:37,922 INFO L131 PetriNetUnfolder]: For 906749/906754 co-relation queries the response was YES. [2023-08-31 19:09:38,074 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. [2023-08-31 19:09:38,146 INFO L137 encePairwiseOnDemand]: 406/423 looper letters, 1009 selfloop transitions, 412 changer transitions 0/1440 dead transitions. [2023-08-31 19:09:38,146 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 1440 transitions, 49543 flow [2023-08-31 19:09:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-31 19:09:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-31 19:09:38,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2932 transitions. [2023-08-31 19:09:38,149 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43321513002364065 [2023-08-31 19:09:38,149 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2932 transitions. [2023-08-31 19:09:38,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2932 transitions. [2023-08-31 19:09:38,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:09:38,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2932 transitions. [2023-08-31 19:09:38,154 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) [2023-08-31 19:09:38,158 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) [2023-08-31 19:09:38,158 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) [2023-08-31 19:09:38,158 INFO L175 Difference]: Start difference. First operand has 377 places, 1159 transitions, 41507 flow. Second operand 16 states and 2932 transitions. [2023-08-31 19:09:38,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 1440 transitions, 49543 flow [2023-08-31 19:09:45,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 1440 transitions, 48673 flow, removed 31 selfloop flow, removed 7 redundant places. [2023-08-31 19:09:45,674 INFO L231 Difference]: Finished difference. Result has 393 places, 1223 transitions, 44245 flow [2023-08-31 19:09:45,674 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} [2023-08-31 19:09:45,675 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 307 predicate places. [2023-08-31 19:09:45,675 INFO L495 AbstractCegarLoop]: Abstraction has has 393 places, 1223 transitions, 44245 flow [2023-08-31 19:09:45,675 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) [2023-08-31 19:09:45,675 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:09:45,676 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:09:45,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-31 19:09:45,676 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)] === [2023-08-31 19:09:45,676 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:09:45,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1109598488, now seen corresponding path program 1 times [2023-08-31 19:09:45,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:09:45,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117950404] [2023-08-31 19:09:45,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:09:45,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:09:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:09:45,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:09:45,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:09:45,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117950404] [2023-08-31 19:09:45,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117950404] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:09:45,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:09:45,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 19:09:45,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748540983] [2023-08-31 19:09:45,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:09:45,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 19:09:45,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:09:45,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 19:09:45,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 19:09:46,152 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 423 [2023-08-31 19:09:46,152 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) [2023-08-31 19:09:46,152 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:09:46,152 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 423 [2023-08-31 19:09:46,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:09:51,429 INFO L130 PetriNetUnfolder]: 5635/11732 cut-off events. [2023-08-31 19:09:51,429 INFO L131 PetriNetUnfolder]: For 654808/656772 co-relation queries the response was YES. [2023-08-31 19:09:51,539 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. [2023-08-31 19:09:51,588 INFO L137 encePairwiseOnDemand]: 418/423 looper letters, 904 selfloop transitions, 4 changer transitions 0/1222 dead transitions. [2023-08-31 19:09:51,588 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 1222 transitions, 46059 flow [2023-08-31 19:09:51,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 19:09:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 19:09:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1067 transitions. [2023-08-31 19:09:51,590 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42040977147360126 [2023-08-31 19:09:51,590 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1067 transitions. [2023-08-31 19:09:51,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1067 transitions. [2023-08-31 19:09:51,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:09:51,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1067 transitions. [2023-08-31 19:09:51,592 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) [2023-08-31 19:09:51,593 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) [2023-08-31 19:09:51,593 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) [2023-08-31 19:09:51,594 INFO L175 Difference]: Start difference. First operand has 393 places, 1223 transitions, 44245 flow. Second operand 6 states and 1067 transitions. [2023-08-31 19:09:51,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 1222 transitions, 46059 flow [2023-08-31 19:09:55,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 1222 transitions, 45183 flow, removed 115 selfloop flow, removed 8 redundant places. [2023-08-31 19:09:55,697 INFO L231 Difference]: Finished difference. Result has 389 places, 1222 transitions, 43375 flow [2023-08-31 19:09:55,698 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} [2023-08-31 19:09:55,699 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 303 predicate places. [2023-08-31 19:09:55,699 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 1222 transitions, 43375 flow [2023-08-31 19:09:55,699 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) [2023-08-31 19:09:55,699 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:09:55,699 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] [2023-08-31 19:09:55,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-31 19:09:55,700 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)] === [2023-08-31 19:09:55,700 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:09:55,700 INFO L85 PathProgramCache]: Analyzing trace with hash 188147868, now seen corresponding path program 1 times [2023-08-31 19:09:55,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:09:55,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819381300] [2023-08-31 19:09:55,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:09:55,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:09:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:09:55,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:09:55,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:09:55,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819381300] [2023-08-31 19:09:55,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819381300] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:09:55,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:09:55,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 19:09:55,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68343827] [2023-08-31 19:09:55,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:09:55,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 19:09:55,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:09:55,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 19:09:55,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 19:09:56,295 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 423 [2023-08-31 19:09:56,296 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) [2023-08-31 19:09:56,296 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:09:56,296 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 423 [2023-08-31 19:09:56,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:10:01,488 INFO L130 PetriNetUnfolder]: 5569/11534 cut-off events. [2023-08-31 19:10:01,488 INFO L131 PetriNetUnfolder]: For 635636/637846 co-relation queries the response was YES. [2023-08-31 19:10:01,601 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. [2023-08-31 19:10:01,653 INFO L137 encePairwiseOnDemand]: 416/423 looper letters, 890 selfloop transitions, 0 changer transitions 28/1223 dead transitions. [2023-08-31 19:10:01,653 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 1223 transitions, 45196 flow [2023-08-31 19:10:01,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 19:10:01,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 19:10:01,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1068 transitions. [2023-08-31 19:10:01,655 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42080378250591016 [2023-08-31 19:10:01,655 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1068 transitions. [2023-08-31 19:10:01,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1068 transitions. [2023-08-31 19:10:01,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:10:01,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1068 transitions. [2023-08-31 19:10:01,656 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) [2023-08-31 19:10:01,658 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) [2023-08-31 19:10:01,658 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) [2023-08-31 19:10:01,658 INFO L175 Difference]: Start difference. First operand has 389 places, 1222 transitions, 43375 flow. Second operand 6 states and 1068 transitions. [2023-08-31 19:10:01,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 1223 transitions, 45196 flow [2023-08-31 19:10:05,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 1223 transitions, 45173 flow, removed 8 selfloop flow, removed 4 redundant places. [2023-08-31 19:10:05,472 INFO L231 Difference]: Finished difference. Result has 389 places, 1195 transitions, 43292 flow [2023-08-31 19:10:05,473 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} [2023-08-31 19:10:05,473 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 303 predicate places. [2023-08-31 19:10:05,473 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 1195 transitions, 43292 flow [2023-08-31 19:10:05,473 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) [2023-08-31 19:10:05,473 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:10:05,474 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] [2023-08-31 19:10:05,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-08-31 19:10:05,474 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)] === [2023-08-31 19:10:05,474 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:10:05,474 INFO L85 PathProgramCache]: Analyzing trace with hash 536488295, now seen corresponding path program 1 times [2023-08-31 19:10:05,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:10:05,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435506703] [2023-08-31 19:10:05,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:10:05,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:10:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:10:05,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:10:05,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:10:05,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435506703] [2023-08-31 19:10:05,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435506703] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:10:05,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:10:05,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 19:10:05,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608166012] [2023-08-31 19:10:05,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:10:05,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 19:10:05,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:10:05,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 19:10:05,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 19:10:06,187 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 423 [2023-08-31 19:10:06,188 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) [2023-08-31 19:10:06,188 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:10:06,188 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 423 [2023-08-31 19:10:06,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:10:11,615 INFO L130 PetriNetUnfolder]: 5681/11617 cut-off events. [2023-08-31 19:10:11,616 INFO L131 PetriNetUnfolder]: For 636593/638803 co-relation queries the response was YES. [2023-08-31 19:10:11,721 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. [2023-08-31 19:10:11,753 INFO L137 encePairwiseOnDemand]: 415/423 looper letters, 811 selfloop transitions, 12 changer transitions 101/1223 dead transitions. [2023-08-31 19:10:11,753 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 1223 transitions, 45448 flow [2023-08-31 19:10:11,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 19:10:11,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 19:10:11,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1109 transitions. [2023-08-31 19:10:11,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4369582348305753 [2023-08-31 19:10:11,755 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1109 transitions. [2023-08-31 19:10:11,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1109 transitions. [2023-08-31 19:10:11,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:10:11,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1109 transitions. [2023-08-31 19:10:11,756 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) [2023-08-31 19:10:11,757 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) [2023-08-31 19:10:11,758 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) [2023-08-31 19:10:11,758 INFO L175 Difference]: Start difference. First operand has 389 places, 1195 transitions, 43292 flow. Second operand 6 states and 1109 transitions. [2023-08-31 19:10:11,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 1223 transitions, 45448 flow [2023-08-31 19:10:15,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 1223 transitions, 45448 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:10:15,508 INFO L231 Difference]: Finished difference. Result has 368 places, 1110 transitions, 40174 flow [2023-08-31 19:10:15,509 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} [2023-08-31 19:10:15,509 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 282 predicate places. [2023-08-31 19:10:15,509 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 1110 transitions, 40174 flow [2023-08-31 19:10:15,510 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) [2023-08-31 19:10:15,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:10:15,510 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:10:15,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-08-31 19:10:15,510 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)] === [2023-08-31 19:10:15,510 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:10:15,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1544351377, now seen corresponding path program 1 times [2023-08-31 19:10:15,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:10:15,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91652494] [2023-08-31 19:10:15,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:10:15,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:10:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:10:16,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:10:16,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:10:16,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91652494] [2023-08-31 19:10:16,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91652494] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:10:16,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:10:16,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-31 19:10:16,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223132725] [2023-08-31 19:10:16,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:10:16,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:10:16,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:10:16,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:10:16,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:10:16,652 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-31 19:10:16,653 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) [2023-08-31 19:10:16,653 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:10:16,653 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-31 19:10:16,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:10:21,728 INFO L130 PetriNetUnfolder]: 5038/10949 cut-off events. [2023-08-31 19:10:21,728 INFO L131 PetriNetUnfolder]: For 632328/633815 co-relation queries the response was YES. [2023-08-31 19:10:21,837 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. [2023-08-31 19:10:21,851 INFO L137 encePairwiseOnDemand]: 415/423 looper letters, 94 selfloop transitions, 5 changer transitions 1005/1147 dead transitions. [2023-08-31 19:10:21,851 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 1147 transitions, 42090 flow [2023-08-31 19:10:21,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:10:21,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:10:21,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1617 transitions. [2023-08-31 19:10:21,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4247438928289992 [2023-08-31 19:10:21,854 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1617 transitions. [2023-08-31 19:10:21,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1617 transitions. [2023-08-31 19:10:21,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:10:21,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1617 transitions. [2023-08-31 19:10:21,856 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) [2023-08-31 19:10:21,858 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) [2023-08-31 19:10:21,858 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) [2023-08-31 19:10:21,858 INFO L175 Difference]: Start difference. First operand has 368 places, 1110 transitions, 40174 flow. Second operand 9 states and 1617 transitions. [2023-08-31 19:10:21,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 1147 transitions, 42090 flow [2023-08-31 19:10:25,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 1147 transitions, 41994 flow, removed 48 selfloop flow, removed 0 redundant places. [2023-08-31 19:10:25,892 INFO L231 Difference]: Finished difference. Result has 380 places, 137 transitions, 3614 flow [2023-08-31 19:10:25,893 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} [2023-08-31 19:10:25,893 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 294 predicate places. [2023-08-31 19:10:25,893 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 137 transitions, 3614 flow [2023-08-31 19:10:25,893 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) [2023-08-31 19:10:25,893 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:10:25,894 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:10:25,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-08-31 19:10:25,894 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)] === [2023-08-31 19:10:25,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:10:25,894 INFO L85 PathProgramCache]: Analyzing trace with hash -587964285, now seen corresponding path program 2 times [2023-08-31 19:10:25,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:10:25,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020154469] [2023-08-31 19:10:25,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:10:25,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:10:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:10:26,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:10:26,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:10:26,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020154469] [2023-08-31 19:10:26,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020154469] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:10:26,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:10:26,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-31 19:10:26,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40630281] [2023-08-31 19:10:26,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:10:26,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:10:26,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:10:26,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:10:26,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:10:27,054 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-31 19:10:27,055 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) [2023-08-31 19:10:27,055 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:10:27,055 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-31 19:10:27,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:10:27,373 INFO L130 PetriNetUnfolder]: 142/482 cut-off events. [2023-08-31 19:10:27,373 INFO L131 PetriNetUnfolder]: For 17651/17684 co-relation queries the response was YES. [2023-08-31 19:10:27,377 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. [2023-08-31 19:10:27,378 INFO L137 encePairwiseOnDemand]: 414/423 looper letters, 89 selfloop transitions, 11 changer transitions 8/151 dead transitions. [2023-08-31 19:10:27,378 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 151 transitions, 4067 flow [2023-08-31 19:10:27,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:10:27,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:10:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1595 transitions. [2023-08-31 19:10:27,380 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41896506435513525 [2023-08-31 19:10:27,380 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1595 transitions. [2023-08-31 19:10:27,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1595 transitions. [2023-08-31 19:10:27,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:10:27,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1595 transitions. [2023-08-31 19:10:27,381 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) [2023-08-31 19:10:27,382 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) [2023-08-31 19:10:27,382 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) [2023-08-31 19:10:27,383 INFO L175 Difference]: Start difference. First operand has 380 places, 137 transitions, 3614 flow. Second operand 9 states and 1595 transitions. [2023-08-31 19:10:27,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 151 transitions, 4067 flow [2023-08-31 19:10:27,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 151 transitions, 2404 flow, removed 94 selfloop flow, removed 112 redundant places. [2023-08-31 19:10:27,427 INFO L231 Difference]: Finished difference. Result has 210 places, 137 transitions, 2076 flow [2023-08-31 19:10:27,427 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} [2023-08-31 19:10:27,428 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 124 predicate places. [2023-08-31 19:10:27,428 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 137 transitions, 2076 flow [2023-08-31 19:10:27,428 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) [2023-08-31 19:10:27,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:10:27,428 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:10:27,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-08-31 19:10:27,428 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)] === [2023-08-31 19:10:27,428 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:10:27,428 INFO L85 PathProgramCache]: Analyzing trace with hash 853777139, now seen corresponding path program 3 times [2023-08-31 19:10:27,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:10:27,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548116709] [2023-08-31 19:10:27,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:10:27,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:10:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:10:27,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:10:27,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:10:27,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548116709] [2023-08-31 19:10:27,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548116709] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:10:27,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:10:27,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-31 19:10:27,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735842621] [2023-08-31 19:10:27,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:10:27,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:10:27,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:10:27,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:10:27,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:10:28,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-31 19:10:28,442 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) [2023-08-31 19:10:28,442 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:10:28,442 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-31 19:10:28,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:10:28,710 INFO L130 PetriNetUnfolder]: 157/518 cut-off events. [2023-08-31 19:10:28,710 INFO L131 PetriNetUnfolder]: For 4344/4360 co-relation queries the response was YES. [2023-08-31 19:10:28,713 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. [2023-08-31 19:10:28,714 INFO L137 encePairwiseOnDemand]: 415/423 looper letters, 89 selfloop transitions, 6 changer transitions 22/160 dead transitions. [2023-08-31 19:10:28,714 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 160 transitions, 2437 flow [2023-08-31 19:10:28,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:10:28,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:10:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1599 transitions. [2023-08-31 19:10:28,715 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42001576044129235 [2023-08-31 19:10:28,716 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1599 transitions. [2023-08-31 19:10:28,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1599 transitions. [2023-08-31 19:10:28,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:10:28,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1599 transitions. [2023-08-31 19:10:28,717 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) [2023-08-31 19:10:28,719 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) [2023-08-31 19:10:28,720 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) [2023-08-31 19:10:28,720 INFO L175 Difference]: Start difference. First operand has 210 places, 137 transitions, 2076 flow. Second operand 9 states and 1599 transitions. [2023-08-31 19:10:28,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 160 transitions, 2437 flow [2023-08-31 19:10:28,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 160 transitions, 2375 flow, removed 1 selfloop flow, removed 14 redundant places. [2023-08-31 19:10:28,743 INFO L231 Difference]: Finished difference. Result has 207 places, 135 transitions, 2048 flow [2023-08-31 19:10:28,743 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} [2023-08-31 19:10:28,743 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 121 predicate places. [2023-08-31 19:10:28,743 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 135 transitions, 2048 flow [2023-08-31 19:10:28,744 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) [2023-08-31 19:10:28,744 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:10:28,744 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:10:28,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-08-31 19:10:28,744 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)] === [2023-08-31 19:10:28,745 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:10:28,745 INFO L85 PathProgramCache]: Analyzing trace with hash -576489945, now seen corresponding path program 4 times [2023-08-31 19:10:28,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:10:28,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547942953] [2023-08-31 19:10:28,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:10:28,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:10:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:10:29,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:10:29,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:10:29,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547942953] [2023-08-31 19:10:29,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547942953] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:10:29,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:10:29,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-31 19:10:29,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183572060] [2023-08-31 19:10:29,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:10:29,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:10:29,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:10:29,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:10:29,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:10:29,900 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-31 19:10:29,900 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) [2023-08-31 19:10:29,900 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:10:29,900 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-31 19:10:29,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:10:30,200 INFO L130 PetriNetUnfolder]: 98/398 cut-off events. [2023-08-31 19:10:30,201 INFO L131 PetriNetUnfolder]: For 3767/3783 co-relation queries the response was YES. [2023-08-31 19:10:30,203 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. [2023-08-31 19:10:30,204 INFO L137 encePairwiseOnDemand]: 414/423 looper letters, 84 selfloop transitions, 10 changer transitions 14/151 dead transitions. [2023-08-31 19:10:30,204 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 151 transitions, 2388 flow [2023-08-31 19:10:30,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 19:10:30,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 19:10:30,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1768 transitions. [2023-08-31 19:10:30,207 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41796690307328604 [2023-08-31 19:10:30,207 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1768 transitions. [2023-08-31 19:10:30,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1768 transitions. [2023-08-31 19:10:30,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:10:30,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1768 transitions. [2023-08-31 19:10:30,209 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) [2023-08-31 19:10:30,211 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) [2023-08-31 19:10:30,211 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) [2023-08-31 19:10:30,211 INFO L175 Difference]: Start difference. First operand has 207 places, 135 transitions, 2048 flow. Second operand 10 states and 1768 transitions. [2023-08-31 19:10:30,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 151 transitions, 2388 flow [2023-08-31 19:10:30,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 151 transitions, 2328 flow, removed 11 selfloop flow, removed 10 redundant places. [2023-08-31 19:10:30,233 INFO L231 Difference]: Finished difference. Result has 206 places, 135 transitions, 2031 flow [2023-08-31 19:10:30,233 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} [2023-08-31 19:10:30,233 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 120 predicate places. [2023-08-31 19:10:30,233 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 135 transitions, 2031 flow [2023-08-31 19:10:30,234 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) [2023-08-31 19:10:30,234 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:10:30,234 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:10:30,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-08-31 19:10:30,234 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)] === [2023-08-31 19:10:30,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:10:30,234 INFO L85 PathProgramCache]: Analyzing trace with hash -364675935, now seen corresponding path program 5 times [2023-08-31 19:10:30,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:10:30,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412613840] [2023-08-31 19:10:30,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:10:30,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:10:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:10:30,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:10:30,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:10:30,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412613840] [2023-08-31 19:10:30,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412613840] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:10:30,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:10:30,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-31 19:10:30,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613437918] [2023-08-31 19:10:30,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:10:30,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:10:30,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:10:30,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:10:30,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:10:31,323 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-31 19:10:31,324 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) [2023-08-31 19:10:31,324 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:10:31,324 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-31 19:10:31,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:10:31,583 INFO L130 PetriNetUnfolder]: 84/356 cut-off events. [2023-08-31 19:10:31,583 INFO L131 PetriNetUnfolder]: For 3546/3562 co-relation queries the response was YES. [2023-08-31 19:10:31,586 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. [2023-08-31 19:10:31,586 INFO L137 encePairwiseOnDemand]: 415/423 looper letters, 0 selfloop transitions, 0 changer transitions 146/146 dead transitions. [2023-08-31 19:10:31,586 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 146 transitions, 2308 flow [2023-08-31 19:10:31,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:10:31,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:10:31,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1591 transitions. [2023-08-31 19:10:31,597 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4179143682689782 [2023-08-31 19:10:31,597 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1591 transitions. [2023-08-31 19:10:31,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1591 transitions. [2023-08-31 19:10:31,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:10:31,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1591 transitions. [2023-08-31 19:10:31,599 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) [2023-08-31 19:10:31,601 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) [2023-08-31 19:10:31,601 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) [2023-08-31 19:10:31,601 INFO L175 Difference]: Start difference. First operand has 206 places, 135 transitions, 2031 flow. Second operand 9 states and 1591 transitions. [2023-08-31 19:10:31,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 146 transitions, 2308 flow [2023-08-31 19:10:31,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 146 transitions, 2279 flow, removed 1 selfloop flow, removed 9 redundant places. [2023-08-31 19:10:31,616 INFO L231 Difference]: Finished difference. Result has 202 places, 0 transitions, 0 flow [2023-08-31 19:10:31,616 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} [2023-08-31 19:10:31,616 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 116 predicate places. [2023-08-31 19:10:31,616 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 0 transitions, 0 flow [2023-08-31 19:10:31,617 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) [2023-08-31 19:10:31,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2023-08-31 19:10:31,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2023-08-31 19:10:31,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2023-08-31 19:10:31,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2023-08-31 19:10:31,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2023-08-31 19:10:31,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2023-08-31 19:10:31,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2023-08-31 19:10:31,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2023-08-31 19:10:31,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2023-08-31 19:10:31,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2023-08-31 19:10:31,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2023-08-31 19:10:31,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2023-08-31 19:10:31,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2023-08-31 19:10:31,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2023-08-31 19:10:31,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 25 remaining) [2023-08-31 19:10:31,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2023-08-31 19:10:31,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2023-08-31 19:10:31,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2023-08-31 19:10:31,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2023-08-31 19:10:31,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2023-08-31 19:10:31,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2023-08-31 19:10:31,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2023-08-31 19:10:31,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2023-08-31 19:10:31,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2023-08-31 19:10:31,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2023-08-31 19:10:31,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-08-31 19:10:31,622 INFO L445 BasicCegarLoop]: Path program histogram: [12, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:10:31,625 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 19:10:31,625 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 19:10:31,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 07:10:31 BasicIcfg [2023-08-31 19:10:31,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 19:10:31,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 19:10:31,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 19:10:31,628 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 19:10:31,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:06:46" (3/4) ... [2023-08-31 19:10:31,630 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 19:10:31,633 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-08-31 19:10:31,640 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2023-08-31 19:10:31,642 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-08-31 19:10:31,643 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-08-31 19:10:31,643 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 19:10:31,680 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 19:10:31,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 19:10:31,680 INFO L158 Benchmark]: Toolchain (without parser) took 226583.88ms. Allocated memory was 69.2MB in the beginning and 7.5GB in the end (delta: 7.5GB). Free memory was 43.2MB in the beginning and 4.0GB in the end (delta: -4.0GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2023-08-31 19:10:31,681 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 56.6MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 19:10:31,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 849.98ms. Allocated memory is still 69.2MB. Free memory was 43.0MB in the beginning and 37.7MB in the end (delta: 5.3MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-08-31 19:10:31,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.26ms. Allocated memory is still 69.2MB. Free memory was 37.4MB in the beginning and 33.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 19:10:31,681 INFO L158 Benchmark]: Boogie Preprocessor took 49.07ms. Allocated memory is still 69.2MB. Free memory was 33.2MB in the beginning and 29.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 19:10:31,682 INFO L158 Benchmark]: RCFGBuilder took 778.56ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 28.7MB in the beginning and 30.9MB in the end (delta: -2.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-08-31 19:10:31,682 INFO L158 Benchmark]: TraceAbstraction took 224782.11ms. Allocated memory was 83.9MB in the beginning and 7.5GB in the end (delta: 7.5GB). Free memory was 30.4MB in the beginning and 4.0GB in the end (delta: -4.0GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2023-08-31 19:10:31,682 INFO L158 Benchmark]: Witness Printer took 52.26ms. Allocated memory is still 7.5GB. Free memory was 4.0GB in the beginning and 4.0GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-31 19:10:31,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 56.6MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 849.98ms. Allocated memory is still 69.2MB. Free memory was 43.0MB in the beginning and 37.7MB in the end (delta: 5.3MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.26ms. Allocated memory is still 69.2MB. Free memory was 37.4MB in the beginning and 33.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.07ms. Allocated memory is still 69.2MB. Free memory was 33.2MB in the beginning and 29.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 778.56ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 28.7MB in the beginning and 30.9MB in the end (delta: -2.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * TraceAbstraction took 224782.11ms. Allocated memory was 83.9MB in the beginning and 7.5GB in the end (delta: 7.5GB). Free memory was 30.4MB in the beginning and 4.0GB in the end (delta: -4.0GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. * Witness Printer took 52.26ms. Allocated memory is still 7.5GB. Free memory was 4.0GB in the beginning and 4.0GB in the end (delta: 5.2MB). 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: 37.6s, 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: 224.6s, OverallIterations: 36, TraceHistogramMax: 1, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 172.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 37.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18005 SdHoareTripleChecker+Valid, 47.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14396 mSDsluCounter, 12147 SdHoareTripleChecker+Invalid, 41.7s 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, 4.9s 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, 13.0s 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! [2023-08-31 19:10:31,711 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