./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-ext/01_inc.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/01_inc.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 dc44c09c63836e77e2249e5abf8328354015a2494c028ff1b2e04f58fa741976 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:27:22,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:27:22,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:27:23,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:27:23,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:27:23,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:27:23,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:27:23,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:27:23,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:27:23,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:27:23,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:27:23,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:27:23,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:27:23,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:27:23,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:27:23,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:27:23,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:27:23,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:27:23,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:27:23,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:27:23,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:27:23,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:27:23,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:27:23,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:27:23,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:27:23,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:27:23,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:27:23,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:27:23,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:27:23,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:27:23,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:27:23,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:27:23,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:27:23,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:27:23,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:27:23,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:27:23,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:27:23,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:27:23,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:27:23,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:27:23,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:27:23,087 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:27:23,119 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:27:23,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:27:23,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:27:23,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:27:23,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:27:23,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:27:23,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:27:23,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:27:23,123 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:27:23,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:27:23,124 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:27:23,124 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:27:23,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:27:23,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:27:23,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:27:23,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:27:23,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:27:23,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:27:23,125 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:27:23,126 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:27:23,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:27:23,126 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:27:23,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:27:23,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:27:23,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:27:23,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:27:23,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:27:23,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:27:23,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:27:23,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:27:23,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:27:23,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:27:23,128 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:27:23,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:27:23,129 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:27:23,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:27:23,129 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:27:23,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc44c09c63836e77e2249e5abf8328354015a2494c028ff1b2e04f58fa741976 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 09:27:23,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:27:23,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:27:23,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:27:23,472 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:27:23,472 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:27:23,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/01_inc.i [2023-08-29 09:27:24,540 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:27:24,776 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:27:24,776 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01_inc.i [2023-08-29 09:27:24,789 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b93f3f53f/ded5531c00a246c6bcd2a1e1d045f281/FLAG1f7bdd2a7 [2023-08-29 09:27:24,801 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b93f3f53f/ded5531c00a246c6bcd2a1e1d045f281 [2023-08-29 09:27:24,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:27:24,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:27:24,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:27:24,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:27:24,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:27:24,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:27:24" (1/1) ... [2023-08-29 09:27:24,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ced95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:24, skipping insertion in model container [2023-08-29 09:27:24,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:27:24" (1/1) ... [2023-08-29 09:27:24,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:27:24,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:27:24,982 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 09:27:25,074 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01_inc.i[30915,30928] [2023-08-29 09:27:25,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:27:25,091 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:27:25,124 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 09:27:25,156 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01_inc.i[30915,30928] [2023-08-29 09:27:25,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:27:25,194 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:27:25,195 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:27:25,195 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:27:25,200 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:27:25,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:25 WrapperNode [2023-08-29 09:27:25,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:27:25,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:27:25,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:27:25,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:27:25,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:25" (1/1) ... [2023-08-29 09:27:25,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:25" (1/1) ... [2023-08-29 09:27:25,264 INFO L138 Inliner]: procedures = 173, calls = 18, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 88 [2023-08-29 09:27:25,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:27:25,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:27:25,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:27:25,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:27:25,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:25" (1/1) ... [2023-08-29 09:27:25,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:25" (1/1) ... [2023-08-29 09:27:25,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:25" (1/1) ... [2023-08-29 09:27:25,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:25" (1/1) ... [2023-08-29 09:27:25,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:25" (1/1) ... [2023-08-29 09:27:25,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:25" (1/1) ... [2023-08-29 09:27:25,292 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:25" (1/1) ... [2023-08-29 09:27:25,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:25" (1/1) ... [2023-08-29 09:27:25,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:27:25,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:27:25,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:27:25,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:27:25,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:25" (1/1) ... [2023-08-29 09:27:25,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:27:25,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:27:25,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 09:27:25,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 09:27:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-29 09:27:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-29 09:27:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:27:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 09:27:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:27:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:27:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:27:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:27:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 09:27:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:27:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:27:25,377 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:27:25,511 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:27:25,513 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:27:25,741 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:27:25,836 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:27:25,837 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-08-29 09:27:25,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:27:25 BoogieIcfgContainer [2023-08-29 09:27:25,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:27:25,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:27:25,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:27:25,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:27:25,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:27:24" (1/3) ... [2023-08-29 09:27:25,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7e3655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:27:25, skipping insertion in model container [2023-08-29 09:27:25,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:25" (2/3) ... [2023-08-29 09:27:25,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7e3655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:27:25, skipping insertion in model container [2023-08-29 09:27:25,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:27:25" (3/3) ... [2023-08-29 09:27:25,850 INFO L112 eAbstractionObserver]: Analyzing ICFG 01_inc.i [2023-08-29 09:27:25,856 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:27:25,865 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:27:25,865 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-29 09:27:25,865 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:27:25,936 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:27:25,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 57 transitions, 119 flow [2023-08-29 09:27:26,024 INFO L130 PetriNetUnfolder]: 3/67 cut-off events. [2023-08-29 09:27:26,025 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:27:26,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 67 events. 3/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 93 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 43. Up to 4 conditions per place. [2023-08-29 09:27:26,031 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 57 transitions, 119 flow [2023-08-29 09:27:26,035 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 57 transitions, 119 flow [2023-08-29 09:27:26,039 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:27:26,050 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 57 transitions, 119 flow [2023-08-29 09:27:26,054 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 57 transitions, 119 flow [2023-08-29 09:27:26,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 57 transitions, 119 flow [2023-08-29 09:27:26,084 INFO L130 PetriNetUnfolder]: 3/67 cut-off events. [2023-08-29 09:27:26,085 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:27:26,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 67 events. 3/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 93 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 43. Up to 4 conditions per place. [2023-08-29 09:27:26,089 INFO L119 LiptonReduction]: Number of co-enabled transitions 806 [2023-08-29 09:27:28,135 INFO L134 LiptonReduction]: Checked pairs total: 842 [2023-08-29 09:27:28,135 INFO L136 LiptonReduction]: Total number of compositions: 66 [2023-08-29 09:27:28,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:27:28,152 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;@3f34c1f8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:27:28,152 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2023-08-29 09:27:28,154 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2023-08-29 09:27:28,154 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:27:28,155 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:28,155 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 09:27:28,156 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-08-29 09:27:28,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:28,160 INFO L85 PathProgramCache]: Analyzing trace with hash 11344956, now seen corresponding path program 1 times [2023-08-29 09:27:28,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:28,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767347387] [2023-08-29 09:27:28,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:28,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:27:28,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:27:28,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:27:28,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767347387] [2023-08-29 09:27:28,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767347387] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:27:28,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:27:28,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:27:28,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944373064] [2023-08-29 09:27:28,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:27:28,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:27:28,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:27:28,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:27:28,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:27:28,368 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 123 [2023-08-29 09:27:28,370 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 39 flow. Second operand has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:28,370 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:27:28,371 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 123 [2023-08-29 09:27:28,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:27:28,395 INFO L130 PetriNetUnfolder]: 2/11 cut-off events. [2023-08-29 09:27:28,396 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:27:28,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 11 events. 2/11 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 9 event pairs, 2 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 14. Up to 11 conditions per place. [2023-08-29 09:27:28,397 INFO L137 encePairwiseOnDemand]: 112/123 looper letters, 5 selfloop transitions, 0 changer transitions 0/6 dead transitions. [2023-08-29 09:27:28,397 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 10 places, 6 transitions, 27 flow [2023-08-29 09:27:28,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:27:28,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:27:28,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 102 transitions. [2023-08-29 09:27:28,409 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4146341463414634 [2023-08-29 09:27:28,410 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 102 transitions. [2023-08-29 09:27:28,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 102 transitions. [2023-08-29 09:27:28,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:27:28,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 102 transitions. [2023-08-29 09:27:28,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:28,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:28,423 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:28,424 INFO L175 Difference]: Start difference. First operand has 20 places, 17 transitions, 39 flow. Second operand 2 states and 102 transitions. [2023-08-29 09:27:28,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 10 places, 6 transitions, 27 flow [2023-08-29 09:27:28,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 6 transitions, 27 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:27:28,427 INFO L231 Difference]: Finished difference. Result has 10 places, 6 transitions, 17 flow [2023-08-29 09:27:28,429 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=17, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=6, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=17, PETRI_PLACES=10, PETRI_TRANSITIONS=6} [2023-08-29 09:27:28,432 INFO L281 CegarLoopForPetriNet]: 20 programPoint places, -10 predicate places. [2023-08-29 09:27:28,433 INFO L495 AbstractCegarLoop]: Abstraction has has 10 places, 6 transitions, 17 flow [2023-08-29 09:27:28,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:28,434 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:28,437 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-08-29 09:27:28,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 09:27:28,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-08-29 09:27:28,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:28,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1982420500, now seen corresponding path program 1 times [2023-08-29 09:27:28,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:28,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070816432] [2023-08-29 09:27:28,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:28,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:27:28,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:27:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:27:28,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:27:28,522 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:27:28,523 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 21 remaining) [2023-08-29 09:27:28,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2023-08-29 09:27:28,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2023-08-29 09:27:28,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2023-08-29 09:27:28,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2023-08-29 09:27:28,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2023-08-29 09:27:28,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2023-08-29 09:27:28,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2023-08-29 09:27:28,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2023-08-29 09:27:28,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2023-08-29 09:27:28,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2023-08-29 09:27:28,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2023-08-29 09:27:28,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2023-08-29 09:27:28,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2023-08-29 09:27:28,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2023-08-29 09:27:28,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2023-08-29 09:27:28,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2023-08-29 09:27:28,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2023-08-29 09:27:28,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2023-08-29 09:27:28,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2023-08-29 09:27:28,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2023-08-29 09:27:28,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 09:27:28,529 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-29 09:27:28,531 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 09:27:28,532 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-08-29 09:27:28,547 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:27:28,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 89 transitions, 190 flow [2023-08-29 09:27:28,565 INFO L130 PetriNetUnfolder]: 5/111 cut-off events. [2023-08-29 09:27:28,565 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:27:28,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 111 events. 5/111 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 268 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 74. Up to 6 conditions per place. [2023-08-29 09:27:28,567 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 89 transitions, 190 flow [2023-08-29 09:27:28,568 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 89 transitions, 190 flow [2023-08-29 09:27:28,568 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:27:28,568 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 89 transitions, 190 flow [2023-08-29 09:27:28,569 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 89 transitions, 190 flow [2023-08-29 09:27:28,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 89 transitions, 190 flow [2023-08-29 09:27:28,581 INFO L130 PetriNetUnfolder]: 5/111 cut-off events. [2023-08-29 09:27:28,582 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:27:28,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 111 events. 5/111 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 268 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 74. Up to 6 conditions per place. [2023-08-29 09:27:28,606 INFO L119 LiptonReduction]: Number of co-enabled transitions 3596 [2023-08-29 09:27:29,870 INFO L134 LiptonReduction]: Checked pairs total: 15323 [2023-08-29 09:27:29,872 INFO L136 LiptonReduction]: Total number of compositions: 56 [2023-08-29 09:27:29,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:27:29,877 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;@3f34c1f8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:27:29,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-08-29 09:27:29,880 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2023-08-29 09:27:29,880 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:27:29,880 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:29,881 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 09:27:29,882 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-29 09:27:29,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:29,882 INFO L85 PathProgramCache]: Analyzing trace with hash 17020800, now seen corresponding path program 1 times [2023-08-29 09:27:29,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:29,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485971995] [2023-08-29 09:27:29,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:29,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:27:29,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:27:29,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:27:29,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485971995] [2023-08-29 09:27:29,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485971995] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:27:29,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:27:29,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:27:29,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142640856] [2023-08-29 09:27:29,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:27:29,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:27:29,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:27:29,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:27:29,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:27:29,926 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 145 [2023-08-29 09:27:29,926 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 56 transitions, 124 flow. Second operand has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:29,926 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:27:29,926 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 145 [2023-08-29 09:27:29,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:27:29,976 INFO L130 PetriNetUnfolder]: 86/309 cut-off events. [2023-08-29 09:27:29,980 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2023-08-29 09:27:29,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 309 events. 86/309 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1660 event pairs, 64 based on Foata normal form. 32/279 useless extension candidates. Maximal degree in co-relation 106. Up to 149 conditions per place. [2023-08-29 09:27:29,988 INFO L137 encePairwiseOnDemand]: 130/145 looper letters, 14 selfloop transitions, 0 changer transitions 0/41 dead transitions. [2023-08-29 09:27:29,988 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 41 transitions, 122 flow [2023-08-29 09:27:29,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:27:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:27:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 155 transitions. [2023-08-29 09:27:29,991 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5344827586206896 [2023-08-29 09:27:29,991 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 155 transitions. [2023-08-29 09:27:29,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 155 transitions. [2023-08-29 09:27:29,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:27:29,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 155 transitions. [2023-08-29 09:27:29,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 77.5) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:29,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:29,994 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:29,994 INFO L175 Difference]: Start difference. First operand has 59 places, 56 transitions, 124 flow. Second operand 2 states and 155 transitions. [2023-08-29 09:27:29,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 41 transitions, 122 flow [2023-08-29 09:27:29,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 41 transitions, 120 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-08-29 09:27:29,996 INFO L231 Difference]: Finished difference. Result has 45 places, 41 transitions, 92 flow [2023-08-29 09:27:29,996 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=92, PETRI_PLACES=45, PETRI_TRANSITIONS=41} [2023-08-29 09:27:29,997 INFO L281 CegarLoopForPetriNet]: 59 programPoint places, -14 predicate places. [2023-08-29 09:27:29,997 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 41 transitions, 92 flow [2023-08-29 09:27:29,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:29,997 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:29,997 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 09:27:29,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 09:27:29,998 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-29 09:27:29,998 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:29,998 INFO L85 PathProgramCache]: Analyzing trace with hash -822864413, now seen corresponding path program 1 times [2023-08-29 09:27:29,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:29,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346196919] [2023-08-29 09:27:29,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:29,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:27:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:27:30,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:27:30,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346196919] [2023-08-29 09:27:30,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346196919] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:27:30,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:27:30,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:27:30,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102018145] [2023-08-29 09:27:30,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:27:30,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:27:30,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:27:30,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:27:30,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:27:30,097 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 145 [2023-08-29 09:27:30,098 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:30,100 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:27:30,100 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 145 [2023-08-29 09:27:30,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:27:30,234 INFO L130 PetriNetUnfolder]: 375/815 cut-off events. [2023-08-29 09:27:30,234 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2023-08-29 09:27:30,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1496 conditions, 815 events. 375/815 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 4871 event pairs, 125 based on Foata normal form. 0/729 useless extension candidates. Maximal degree in co-relation 1491. Up to 444 conditions per place. [2023-08-29 09:27:30,239 INFO L137 encePairwiseOnDemand]: 129/145 looper letters, 36 selfloop transitions, 12 changer transitions 0/62 dead transitions. [2023-08-29 09:27:30,239 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 62 transitions, 235 flow [2023-08-29 09:27:30,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:27:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:27:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2023-08-29 09:27:30,244 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4574712643678161 [2023-08-29 09:27:30,244 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 199 transitions. [2023-08-29 09:27:30,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 199 transitions. [2023-08-29 09:27:30,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:27:30,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 199 transitions. [2023-08-29 09:27:30,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:30,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:30,249 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:30,249 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 92 flow. Second operand 3 states and 199 transitions. [2023-08-29 09:27:30,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 62 transitions, 235 flow [2023-08-29 09:27:30,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 62 transitions, 235 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:27:30,251 INFO L231 Difference]: Finished difference. Result has 49 places, 53 transitions, 196 flow [2023-08-29 09:27:30,252 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=49, PETRI_TRANSITIONS=53} [2023-08-29 09:27:30,254 INFO L281 CegarLoopForPetriNet]: 59 programPoint places, -10 predicate places. [2023-08-29 09:27:30,254 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 53 transitions, 196 flow [2023-08-29 09:27:30,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:30,254 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:30,255 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-08-29 09:27:30,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 09:27:30,255 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-08-29 09:27:30,255 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:30,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1950734094, now seen corresponding path program 1 times [2023-08-29 09:27:30,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:30,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57005833] [2023-08-29 09:27:30,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:30,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:27:30,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:27:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:27:30,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:27:30,301 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:27:30,301 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2023-08-29 09:27:30,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2023-08-29 09:27:30,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2023-08-29 09:27:30,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2023-08-29 09:27:30,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2023-08-29 09:27:30,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2023-08-29 09:27:30,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2023-08-29 09:27:30,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2023-08-29 09:27:30,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2023-08-29 09:27:30,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2023-08-29 09:27:30,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2023-08-29 09:27:30,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2023-08-29 09:27:30,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2023-08-29 09:27:30,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2023-08-29 09:27:30,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2023-08-29 09:27:30,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2023-08-29 09:27:30,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2023-08-29 09:27:30,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2023-08-29 09:27:30,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2023-08-29 09:27:30,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2023-08-29 09:27:30,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2023-08-29 09:27:30,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2023-08-29 09:27:30,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2023-08-29 09:27:30,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2023-08-29 09:27:30,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2023-08-29 09:27:30,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2023-08-29 09:27:30,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2023-08-29 09:27:30,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2023-08-29 09:27:30,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2023-08-29 09:27:30,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2023-08-29 09:27:30,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2023-08-29 09:27:30,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 09:27:30,307 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-29 09:27:30,308 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 09:27:30,308 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-08-29 09:27:30,327 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:27:30,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 121 transitions, 263 flow [2023-08-29 09:27:30,344 INFO L130 PetriNetUnfolder]: 7/155 cut-off events. [2023-08-29 09:27:30,345 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 09:27:30,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 155 events. 7/155 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 444 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 115. Up to 8 conditions per place. [2023-08-29 09:27:30,346 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 121 transitions, 263 flow [2023-08-29 09:27:30,348 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 121 transitions, 263 flow [2023-08-29 09:27:30,348 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:27:30,348 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 121 transitions, 263 flow [2023-08-29 09:27:30,348 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 121 transitions, 263 flow [2023-08-29 09:27:30,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 121 transitions, 263 flow [2023-08-29 09:27:30,371 INFO L130 PetriNetUnfolder]: 7/155 cut-off events. [2023-08-29 09:27:30,371 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 09:27:30,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 155 events. 7/155 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 444 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 115. Up to 8 conditions per place. [2023-08-29 09:27:30,377 INFO L119 LiptonReduction]: Number of co-enabled transitions 8370 [2023-08-29 09:27:31,747 INFO L134 LiptonReduction]: Checked pairs total: 39016 [2023-08-29 09:27:31,748 INFO L136 LiptonReduction]: Total number of compositions: 71 [2023-08-29 09:27:31,750 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:27:31,751 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;@3f34c1f8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:27:31,751 INFO L358 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2023-08-29 09:27:31,753 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2023-08-29 09:27:31,753 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:27:31,753 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:31,753 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 09:27:31,753 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2023-08-29 09:27:31,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:31,754 INFO L85 PathProgramCache]: Analyzing trace with hash 23914971, now seen corresponding path program 1 times [2023-08-29 09:27:31,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:31,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56981937] [2023-08-29 09:27:31,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:31,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:27:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:27:31,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:27:31,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56981937] [2023-08-29 09:27:31,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56981937] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:27:31,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:27:31,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:27:31,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870256120] [2023-08-29 09:27:31,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:27:31,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:27:31,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:27:31,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:27:31,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:27:31,774 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 192 [2023-08-29 09:27:31,775 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 81 transitions, 183 flow. Second operand has 2 states, 2 states have (on average 85.0) internal successors, (170), 2 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:31,775 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:27:31,775 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 192 [2023-08-29 09:27:31,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:27:32,005 INFO L130 PetriNetUnfolder]: 1057/2055 cut-off events. [2023-08-29 09:27:32,006 INFO L131 PetriNetUnfolder]: For 268/268 co-relation queries the response was YES. [2023-08-29 09:27:32,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3775 conditions, 2055 events. 1057/2055 cut-off events. For 268/268 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 14093 event pairs, 839 based on Foata normal form. 218/1939 useless extension candidates. Maximal degree in co-relation 658. Up to 1504 conditions per place. [2023-08-29 09:27:32,020 INFO L137 encePairwiseOnDemand]: 170/192 looper letters, 22 selfloop transitions, 0 changer transitions 0/59 dead transitions. [2023-08-29 09:27:32,021 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 59 transitions, 183 flow [2023-08-29 09:27:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:27:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:27:32,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 210 transitions. [2023-08-29 09:27:32,022 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.546875 [2023-08-29 09:27:32,023 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 210 transitions. [2023-08-29 09:27:32,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 210 transitions. [2023-08-29 09:27:32,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:27:32,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 210 transitions. [2023-08-29 09:27:32,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:32,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:32,025 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:32,025 INFO L175 Difference]: Start difference. First operand has 85 places, 81 transitions, 183 flow. Second operand 2 states and 210 transitions. [2023-08-29 09:27:32,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 59 transitions, 183 flow [2023-08-29 09:27:32,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 59 transitions, 177 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-08-29 09:27:32,028 INFO L231 Difference]: Finished difference. Result has 64 places, 59 transitions, 133 flow [2023-08-29 09:27:32,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=133, PETRI_PLACES=64, PETRI_TRANSITIONS=59} [2023-08-29 09:27:32,029 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -21 predicate places. [2023-08-29 09:27:32,029 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 59 transitions, 133 flow [2023-08-29 09:27:32,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 85.0) internal successors, (170), 2 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:32,029 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:32,029 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 09:27:32,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 09:27:32,030 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2023-08-29 09:27:32,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:32,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1507472286, now seen corresponding path program 1 times [2023-08-29 09:27:32,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:32,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308730607] [2023-08-29 09:27:32,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:32,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:27:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:27:32,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:27:32,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308730607] [2023-08-29 09:27:32,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308730607] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:27:32,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:27:32,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:27:32,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087223956] [2023-08-29 09:27:32,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:27:32,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:27:32,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:27:32,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:27:32,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:27:32,087 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 192 [2023-08-29 09:27:32,088 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 59 transitions, 133 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:32,088 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:27:32,088 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 192 [2023-08-29 09:27:32,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:27:33,363 INFO L130 PetriNetUnfolder]: 9462/15765 cut-off events. [2023-08-29 09:27:33,363 INFO L131 PetriNetUnfolder]: For 460/460 co-relation queries the response was YES. [2023-08-29 09:27:33,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29862 conditions, 15765 events. 9462/15765 cut-off events. For 460/460 co-relation queries the response was YES. Maximal size of possible extension queue 868. Compared 125294 event pairs, 3498 based on Foata normal form. 0/14340 useless extension candidates. Maximal degree in co-relation 29856. Up to 8714 conditions per place. [2023-08-29 09:27:33,502 INFO L137 encePairwiseOnDemand]: 168/192 looper letters, 54 selfloop transitions, 18 changer transitions 0/91 dead transitions. [2023-08-29 09:27:33,502 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 91 transitions, 351 flow [2023-08-29 09:27:33,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:27:33,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:27:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2023-08-29 09:27:33,504 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4583333333333333 [2023-08-29 09:27:33,504 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 264 transitions. [2023-08-29 09:27:33,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 264 transitions. [2023-08-29 09:27:33,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:27:33,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 264 transitions. [2023-08-29 09:27:33,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:33,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:33,508 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:33,508 INFO L175 Difference]: Start difference. First operand has 64 places, 59 transitions, 133 flow. Second operand 3 states and 264 transitions. [2023-08-29 09:27:33,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 91 transitions, 351 flow [2023-08-29 09:27:33,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 91 transitions, 351 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:27:33,511 INFO L231 Difference]: Finished difference. Result has 68 places, 77 transitions, 289 flow [2023-08-29 09:27:33,511 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=289, PETRI_PLACES=68, PETRI_TRANSITIONS=77} [2023-08-29 09:27:33,512 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -17 predicate places. [2023-08-29 09:27:33,512 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 77 transitions, 289 flow [2023-08-29 09:27:33,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:33,513 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:33,513 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:27:33,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 09:27:33,513 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2023-08-29 09:27:33,514 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:33,514 INFO L85 PathProgramCache]: Analyzing trace with hash -2017206017, now seen corresponding path program 1 times [2023-08-29 09:27:33,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:33,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755237417] [2023-08-29 09:27:33,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:33,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:27:33,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:27:33,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:27:33,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755237417] [2023-08-29 09:27:33,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755237417] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:27:33,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:27:33,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:27:33,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277453500] [2023-08-29 09:27:33,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:27:33,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:27:33,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:27:33,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:27:33,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:27:33,599 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 192 [2023-08-29 09:27:33,600 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 77 transitions, 289 flow. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:33,601 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:27:33,601 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 192 [2023-08-29 09:27:33,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:27:34,777 INFO L130 PetriNetUnfolder]: 8287/14328 cut-off events. [2023-08-29 09:27:34,778 INFO L131 PetriNetUnfolder]: For 7828/8144 co-relation queries the response was YES. [2023-08-29 09:27:34,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35374 conditions, 14328 events. 8287/14328 cut-off events. For 7828/8144 co-relation queries the response was YES. Maximal size of possible extension queue 770. Compared 115239 event pairs, 4409 based on Foata normal form. 46/12287 useless extension candidates. Maximal degree in co-relation 35366. Up to 10116 conditions per place. [2023-08-29 09:27:34,881 INFO L137 encePairwiseOnDemand]: 181/192 looper letters, 49 selfloop transitions, 19 changer transitions 0/104 dead transitions. [2023-08-29 09:27:34,882 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 104 transitions, 537 flow [2023-08-29 09:27:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:27:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:27:34,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 259 transitions. [2023-08-29 09:27:34,883 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4496527777777778 [2023-08-29 09:27:34,883 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 259 transitions. [2023-08-29 09:27:34,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 259 transitions. [2023-08-29 09:27:34,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:27:34,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 259 transitions. [2023-08-29 09:27:34,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:34,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:34,886 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:34,886 INFO L175 Difference]: Start difference. First operand has 68 places, 77 transitions, 289 flow. Second operand 3 states and 259 transitions. [2023-08-29 09:27:34,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 104 transitions, 537 flow [2023-08-29 09:27:34,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 104 transitions, 485 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 09:27:34,929 INFO L231 Difference]: Finished difference. Result has 69 places, 94 transitions, 412 flow [2023-08-29 09:27:34,929 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=69, PETRI_TRANSITIONS=94} [2023-08-29 09:27:34,930 INFO L281 CegarLoopForPetriNet]: 85 programPoint places, -16 predicate places. [2023-08-29 09:27:34,930 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 94 transitions, 412 flow [2023-08-29 09:27:34,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:34,930 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:34,930 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2023-08-29 09:27:34,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 09:27:34,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2023-08-29 09:27:34,931 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:34,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1098011138, now seen corresponding path program 1 times [2023-08-29 09:27:34,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:34,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125547839] [2023-08-29 09:27:34,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:34,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:27:34,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:27:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:27:34,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:27:34,953 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:27:34,953 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 41 remaining) [2023-08-29 09:27:34,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 41 remaining) [2023-08-29 09:27:34,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 41 remaining) [2023-08-29 09:27:34,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (37 of 41 remaining) [2023-08-29 09:27:34,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (36 of 41 remaining) [2023-08-29 09:27:34,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (35 of 41 remaining) [2023-08-29 09:27:34,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (34 of 41 remaining) [2023-08-29 09:27:34,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (33 of 41 remaining) [2023-08-29 09:27:34,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (32 of 41 remaining) [2023-08-29 09:27:34,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (31 of 41 remaining) [2023-08-29 09:27:34,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (30 of 41 remaining) [2023-08-29 09:27:34,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 41 remaining) [2023-08-29 09:27:34,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 41 remaining) [2023-08-29 09:27:34,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 41 remaining) [2023-08-29 09:27:34,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 41 remaining) [2023-08-29 09:27:34,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 41 remaining) [2023-08-29 09:27:34,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 41 remaining) [2023-08-29 09:27:34,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 41 remaining) [2023-08-29 09:27:34,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 41 remaining) [2023-08-29 09:27:34,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 41 remaining) [2023-08-29 09:27:34,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (20 of 41 remaining) [2023-08-29 09:27:34,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 41 remaining) [2023-08-29 09:27:34,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 41 remaining) [2023-08-29 09:27:34,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 41 remaining) [2023-08-29 09:27:34,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 41 remaining) [2023-08-29 09:27:34,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 41 remaining) [2023-08-29 09:27:34,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 41 remaining) [2023-08-29 09:27:34,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 41 remaining) [2023-08-29 09:27:34,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (12 of 41 remaining) [2023-08-29 09:27:34,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (11 of 41 remaining) [2023-08-29 09:27:34,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (10 of 41 remaining) [2023-08-29 09:27:34,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 41 remaining) [2023-08-29 09:27:34,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 41 remaining) [2023-08-29 09:27:34,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 41 remaining) [2023-08-29 09:27:34,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 41 remaining) [2023-08-29 09:27:34,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 41 remaining) [2023-08-29 09:27:34,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 41 remaining) [2023-08-29 09:27:34,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 41 remaining) [2023-08-29 09:27:34,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 41 remaining) [2023-08-29 09:27:34,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 41 remaining) [2023-08-29 09:27:34,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 41 remaining) [2023-08-29 09:27:34,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 09:27:34,958 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 09:27:34,959 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 09:27:34,959 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-08-29 09:27:34,983 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:27:34,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 153 transitions, 338 flow [2023-08-29 09:27:35,003 INFO L130 PetriNetUnfolder]: 9/199 cut-off events. [2023-08-29 09:27:35,003 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 09:27:35,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 199 events. 9/199 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 623 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 163. Up to 10 conditions per place. [2023-08-29 09:27:35,005 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 153 transitions, 338 flow [2023-08-29 09:27:35,007 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 157 places, 153 transitions, 338 flow [2023-08-29 09:27:35,007 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:27:35,007 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 153 transitions, 338 flow [2023-08-29 09:27:35,007 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 153 transitions, 338 flow [2023-08-29 09:27:35,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 153 transitions, 338 flow [2023-08-29 09:27:35,023 INFO L130 PetriNetUnfolder]: 9/199 cut-off events. [2023-08-29 09:27:35,023 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 09:27:35,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 199 events. 9/199 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 623 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 163. Up to 10 conditions per place. [2023-08-29 09:27:35,033 INFO L119 LiptonReduction]: Number of co-enabled transitions 15128 [2023-08-29 09:27:36,713 INFO L134 LiptonReduction]: Checked pairs total: 88701 [2023-08-29 09:27:36,713 INFO L136 LiptonReduction]: Total number of compositions: 90 [2023-08-29 09:27:36,715 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:27:36,717 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;@3f34c1f8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:27:36,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2023-08-29 09:27:36,719 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-29 09:27:36,720 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:27:36,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:36,720 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 09:27:36,720 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-08-29 09:27:36,720 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:36,721 INFO L85 PathProgramCache]: Analyzing trace with hash 32379938, now seen corresponding path program 1 times [2023-08-29 09:27:36,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:36,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58783871] [2023-08-29 09:27:36,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:36,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:27:36,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:27:36,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:27:36,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58783871] [2023-08-29 09:27:36,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58783871] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:27:36,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:27:36,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:27:36,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383200614] [2023-08-29 09:27:36,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:27:36,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:27:36,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:27:36,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:27:36,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:27:36,749 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 243 [2023-08-29 09:27:36,749 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 106 transitions, 244 flow. Second operand has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:36,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:27:36,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 243 [2023-08-29 09:27:36,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:27:37,854 INFO L130 PetriNetUnfolder]: 7537/13687 cut-off events. [2023-08-29 09:27:37,854 INFO L131 PetriNetUnfolder]: For 2657/2657 co-relation queries the response was YES. [2023-08-29 09:27:37,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25020 conditions, 13687 events. 7537/13687 cut-off events. For 2657/2657 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 118826 event pairs, 5999 based on Foata normal form. 2344/13986 useless extension candidates. Maximal degree in co-relation 3834. Up to 9784 conditions per place. [2023-08-29 09:27:37,972 INFO L137 encePairwiseOnDemand]: 214/243 looper letters, 28 selfloop transitions, 0 changer transitions 0/77 dead transitions. [2023-08-29 09:27:37,973 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 77 transitions, 242 flow [2023-08-29 09:27:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:27:37,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:27:37,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 263 transitions. [2023-08-29 09:27:37,974 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5411522633744856 [2023-08-29 09:27:37,975 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 263 transitions. [2023-08-29 09:27:37,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 263 transitions. [2023-08-29 09:27:37,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:27:37,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 263 transitions. [2023-08-29 09:27:37,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 131.5) internal successors, (263), 2 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:37,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:37,978 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:37,978 INFO L175 Difference]: Start difference. First operand has 111 places, 106 transitions, 244 flow. Second operand 2 states and 263 transitions. [2023-08-29 09:27:37,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 77 transitions, 242 flow [2023-08-29 09:27:37,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 77 transitions, 230 flow, removed 6 selfloop flow, removed 0 redundant places. [2023-08-29 09:27:37,981 INFO L231 Difference]: Finished difference. Result has 83 places, 77 transitions, 174 flow [2023-08-29 09:27:37,982 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=174, PETRI_PLACES=83, PETRI_TRANSITIONS=77} [2023-08-29 09:27:37,983 INFO L281 CegarLoopForPetriNet]: 111 programPoint places, -28 predicate places. [2023-08-29 09:27:37,983 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 77 transitions, 174 flow [2023-08-29 09:27:37,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:37,984 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:37,985 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 09:27:37,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 09:27:37,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-08-29 09:27:37,986 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:37,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1052375297, now seen corresponding path program 1 times [2023-08-29 09:27:37,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:37,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832258910] [2023-08-29 09:27:37,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:37,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:27:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:27:38,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:27:38,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832258910] [2023-08-29 09:27:38,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832258910] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:27:38,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:27:38,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:27:38,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602452184] [2023-08-29 09:27:38,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:27:38,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:27:38,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:27:38,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:27:38,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:27:38,060 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 243 [2023-08-29 09:27:38,061 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 77 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:38,061 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:27:38,061 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 243 [2023-08-29 09:27:38,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:27:55,434 INFO L130 PetriNetUnfolder]: 193399/284515 cut-off events. [2023-08-29 09:27:55,434 INFO L131 PetriNetUnfolder]: For 7242/7242 co-relation queries the response was YES. [2023-08-29 09:27:56,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 546827 conditions, 284515 events. 193399/284515 cut-off events. For 7242/7242 co-relation queries the response was YES. Maximal size of possible extension queue 11182. Compared 2575378 event pairs, 73981 based on Foata normal form. 0/258014 useless extension candidates. Maximal degree in co-relation 546820. Up to 165920 conditions per place. [2023-08-29 09:27:57,326 INFO L137 encePairwiseOnDemand]: 211/243 looper letters, 74 selfloop transitions, 24 changer transitions 0/121 dead transitions. [2023-08-29 09:27:57,326 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 121 transitions, 473 flow [2023-08-29 09:27:57,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:27:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:27:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2023-08-29 09:27:57,327 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4540466392318244 [2023-08-29 09:27:57,327 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 331 transitions. [2023-08-29 09:27:57,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 331 transitions. [2023-08-29 09:27:57,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:27:57,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 331 transitions. [2023-08-29 09:27:57,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:57,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:57,330 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:57,331 INFO L175 Difference]: Start difference. First operand has 83 places, 77 transitions, 174 flow. Second operand 3 states and 331 transitions. [2023-08-29 09:27:57,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 121 transitions, 473 flow [2023-08-29 09:27:57,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 121 transitions, 473 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:27:57,339 INFO L231 Difference]: Finished difference. Result has 87 places, 101 transitions, 382 flow [2023-08-29 09:27:57,339 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=87, PETRI_TRANSITIONS=101} [2023-08-29 09:27:57,340 INFO L281 CegarLoopForPetriNet]: 111 programPoint places, -24 predicate places. [2023-08-29 09:27:57,340 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 101 transitions, 382 flow [2023-08-29 09:27:57,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:57,340 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:57,340 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:27:57,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 09:27:57,341 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-08-29 09:27:57,341 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:57,341 INFO L85 PathProgramCache]: Analyzing trace with hash 547066018, now seen corresponding path program 1 times [2023-08-29 09:27:57,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:57,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851292303] [2023-08-29 09:27:57,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:57,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:27:57,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:27:57,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:27:57,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851292303] [2023-08-29 09:27:57,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851292303] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:27:57,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:27:57,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:27:57,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646963803] [2023-08-29 09:27:57,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:27:57,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:27:57,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:27:57,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:27:57,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:27:57,404 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 243 [2023-08-29 09:27:57,405 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 101 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:27:57,405 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:27:57,405 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 243 [2023-08-29 09:27:57,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:28:14,998 INFO L130 PetriNetUnfolder]: 172679/263806 cut-off events. [2023-08-29 09:28:14,998 INFO L131 PetriNetUnfolder]: For 148898/155247 co-relation queries the response was YES. [2023-08-29 09:28:15,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 666147 conditions, 263806 events. 172679/263806 cut-off events. For 148898/155247 co-relation queries the response was YES. Maximal size of possible extension queue 10159. Compared 2506205 event pairs, 93592 based on Foata normal form. 1413/226979 useless extension candidates. Maximal degree in co-relation 666138. Up to 194254 conditions per place. [2023-08-29 09:28:17,029 INFO L137 encePairwiseOnDemand]: 228/243 looper letters, 68 selfloop transitions, 27 changer transitions 0/141 dead transitions. [2023-08-29 09:28:17,029 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 141 transitions, 739 flow [2023-08-29 09:28:17,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:28:17,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:28:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 329 transitions. [2023-08-29 09:28:17,030 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4513031550068587 [2023-08-29 09:28:17,030 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 329 transitions. [2023-08-29 09:28:17,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 329 transitions. [2023-08-29 09:28:17,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:28:17,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 329 transitions. [2023-08-29 09:28:17,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:17,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:17,033 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:17,034 INFO L175 Difference]: Start difference. First operand has 87 places, 101 transitions, 382 flow. Second operand 3 states and 329 transitions. [2023-08-29 09:28:17,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 141 transitions, 739 flow [2023-08-29 09:28:19,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 141 transitions, 667 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 09:28:19,527 INFO L231 Difference]: Finished difference. Result has 88 places, 126 transitions, 565 flow [2023-08-29 09:28:19,527 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=565, PETRI_PLACES=88, PETRI_TRANSITIONS=126} [2023-08-29 09:28:19,528 INFO L281 CegarLoopForPetriNet]: 111 programPoint places, -23 predicate places. [2023-08-29 09:28:19,528 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 126 transitions, 565 flow [2023-08-29 09:28:19,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:19,528 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:28:19,528 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:28:19,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 09:28:19,529 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-08-29 09:28:19,529 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:28:19,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1111085838, now seen corresponding path program 1 times [2023-08-29 09:28:19,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:28:19,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861680296] [2023-08-29 09:28:19,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:28:19,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:28:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:28:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 09:28:19,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:28:19,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861680296] [2023-08-29 09:28:19,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861680296] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:28:19,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:28:19,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:28:19,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890473411] [2023-08-29 09:28:19,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:28:19,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:28:19,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:28:19,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:28:19,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:28:19,587 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 243 [2023-08-29 09:28:19,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 126 transitions, 565 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:19,588 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:28:19,588 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 243 [2023-08-29 09:28:19,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:28:32,631 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([991] L724-1-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.base_11| 0) (= |v_#race~value~0_221| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_156 4294967296)) (= |v_thr1Thread2of4ForFork0_#res#1.offset_11| 0)) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_11|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_11|, #race~value~0=|v_#race~value~0_221|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [24#thr1EXITtrue, Black: 163#true, 41#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 160#true, thr1Thread1of4ForFork0InUse, 12#L733-5true, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 144#L718-1true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:32,631 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2023-08-29 09:28:32,631 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:28:32,632 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:28:32,632 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:28:33,726 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([991] L724-1-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.base_11| 0) (= |v_#race~value~0_221| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_156 4294967296)) (= |v_thr1Thread2of4ForFork0_#res#1.offset_11| 0)) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_11|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_11|, #race~value~0=|v_#race~value~0_221|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [130#L718-1true, 24#thr1EXITtrue, 14#L724-1true, Black: 163#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 12#L733-5true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 144#L718-1true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:33,726 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2023-08-29 09:28:33,726 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:28:33,726 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:28:33,726 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:28:33,726 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1002] L724-1-->thr1EXIT: Formula: (and (< (mod |v_thr1Thread1of4ForFork0_~v~0#1_27| 4294967296) (mod v_~value~0_162 4294967296)) (= |v_thr1Thread1of4ForFork0_#res#1.offset_13| 0) (= |v_thr1Thread1of4ForFork0_#res#1.base_13| 0) (= |v_#race~value~0_229| 0)) InVars {thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_27|, ~value~0=v_~value~0_162} OutVars{thr1Thread1of4ForFork0_#res#1.offset=|v_thr1Thread1of4ForFork0_#res#1.offset_13|, thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_27|, ~value~0=v_~value~0_162, thr1Thread1of4ForFork0_#res#1.base=|v_thr1Thread1of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_229|} AuxVars[] AssignedVars[thr1Thread1of4ForFork0_#res#1.offset, thr1Thread1of4ForFork0_#res#1.base, #race~value~0][79], [130#L718-1true, 111#thr1EXITtrue, 8#L724-1true, Black: 163#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 12#L733-5true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 144#L718-1true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:33,726 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2023-08-29 09:28:33,726 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:28:33,726 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:28:33,727 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:28:33,897 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([817] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][42], [8#L724-1true, Black: 163#true, 41#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 124#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 12#L733-5true, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:33,897 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2023-08-29 09:28:33,897 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:28:33,898 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:28:33,898 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 09:28:34,830 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([817] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][42], [130#L718-1true, 8#L724-1true, 14#L724-1true, Black: 163#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 124#L722-1true, 160#true, 12#L733-5true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:34,830 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,830 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,830 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,830 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,832 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([848] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [8#L724-1true, 14#L724-1true, Black: 163#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 39#L722-1true, 160#true, 12#L733-5true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 144#L718-1true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:34,832 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,832 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,833 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,833 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,874 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([991] L724-1-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.base_11| 0) (= |v_#race~value~0_221| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_156 4294967296)) (= |v_thr1Thread2of4ForFork0_#res#1.offset_11| 0)) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_11|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_11|, #race~value~0=|v_#race~value~0_221|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [130#L718-1true, 24#thr1EXITtrue, Black: 163#true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 160#true, thr1Thread1of4ForFork0InUse, 12#L733-5true, 169#true, thr1Thread2of4ForFork0InUse, 127#thr1EXITtrue, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:34,874 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,874 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,875 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,875 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,875 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([848] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [42#L724true, Black: 163#true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 39#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 12#L733-5true, 169#true, thr1Thread2of4ForFork0InUse, 127#thr1EXITtrue, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:34,875 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,875 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,875 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:28:34,875 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 09:28:35,326 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([991] L724-1-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.base_11| 0) (= |v_#race~value~0_221| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_156 4294967296)) (= |v_thr1Thread2of4ForFork0_#res#1.offset_11| 0)) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_11|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_11|, #race~value~0=|v_#race~value~0_221|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [24#thr1EXITtrue, 41#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 163#true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 27#L733-4true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 144#L718-1true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:35,326 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2023-08-29 09:28:35,326 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:28:35,326 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:28:35,326 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:28:35,600 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([848] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [8#L724-1true, Black: 163#true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 39#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 12#L733-5true, 169#true, thr1Thread2of4ForFork0InUse, 127#thr1EXITtrue, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:35,600 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2023-08-29 09:28:35,600 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:28:35,600 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:28:35,600 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:28:36,039 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([991] L724-1-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.base_11| 0) (= |v_#race~value~0_221| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_156 4294967296)) (= |v_thr1Thread2of4ForFork0_#res#1.offset_11| 0)) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_11|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_11|, #race~value~0=|v_#race~value~0_221|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [24#thr1EXITtrue, Black: 163#true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 116#thr1Err5ASSERT_VIOLATIONDATA_RACEtrue, 12#L733-5true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 144#L718-1true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:36,040 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2023-08-29 09:28:36,040 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:28:36,040 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:28:36,040 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:28:36,166 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([991] L724-1-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.base_11| 0) (= |v_#race~value~0_221| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_156 4294967296)) (= |v_thr1Thread2of4ForFork0_#res#1.offset_11| 0)) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_11|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_11|, #race~value~0=|v_#race~value~0_221|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [130#L718-1true, 24#thr1EXITtrue, 14#L724-1true, Black: 163#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 27#L733-4true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 144#L718-1true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:36,166 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,167 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,167 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,167 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,167 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1002] L724-1-->thr1EXIT: Formula: (and (< (mod |v_thr1Thread1of4ForFork0_~v~0#1_27| 4294967296) (mod v_~value~0_162 4294967296)) (= |v_thr1Thread1of4ForFork0_#res#1.offset_13| 0) (= |v_thr1Thread1of4ForFork0_#res#1.base_13| 0) (= |v_#race~value~0_229| 0)) InVars {thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_27|, ~value~0=v_~value~0_162} OutVars{thr1Thread1of4ForFork0_#res#1.offset=|v_thr1Thread1of4ForFork0_#res#1.offset_13|, thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_27|, ~value~0=v_~value~0_162, thr1Thread1of4ForFork0_#res#1.base=|v_thr1Thread1of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_229|} AuxVars[] AssignedVars[thr1Thread1of4ForFork0_#res#1.offset, thr1Thread1of4ForFork0_#res#1.base, #race~value~0][79], [130#L718-1true, 111#thr1EXITtrue, 8#L724-1true, Black: 163#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 27#L733-4true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 144#L718-1true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:36,167 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,167 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,167 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,167 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,330 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([817] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][42], [8#L724-1true, Black: 163#true, 41#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 27#L733-4true, 124#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:36,330 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,330 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,330 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,331 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,513 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([991] L724-1-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.base_11| 0) (= |v_#race~value~0_221| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_156 4294967296)) (= |v_thr1Thread2of4ForFork0_#res#1.offset_11| 0)) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_11|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_11|, #race~value~0=|v_#race~value~0_221|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [130#L718-1true, 24#thr1EXITtrue, 14#L724-1true, Black: 163#true, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 160#true, 12#L733-5true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, 93#L722-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:36,513 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,513 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,513 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,513 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,514 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1002] L724-1-->thr1EXIT: Formula: (and (< (mod |v_thr1Thread1of4ForFork0_~v~0#1_27| 4294967296) (mod v_~value~0_162 4294967296)) (= |v_thr1Thread1of4ForFork0_#res#1.offset_13| 0) (= |v_thr1Thread1of4ForFork0_#res#1.base_13| 0) (= |v_#race~value~0_229| 0)) InVars {thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_27|, ~value~0=v_~value~0_162} OutVars{thr1Thread1of4ForFork0_#res#1.offset=|v_thr1Thread1of4ForFork0_#res#1.offset_13|, thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_27|, ~value~0=v_~value~0_162, thr1Thread1of4ForFork0_#res#1.base=|v_thr1Thread1of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_229|} AuxVars[] AssignedVars[thr1Thread1of4ForFork0_#res#1.offset, thr1Thread1of4ForFork0_#res#1.base, #race~value~0][79], [130#L718-1true, 111#thr1EXITtrue, 8#L724-1true, Black: 163#true, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 160#true, 12#L733-5true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, 93#L722-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:36,514 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,514 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,514 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,514 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,650 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([817] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][42], [8#L724-1true, Black: 163#true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 116#thr1Err5ASSERT_VIOLATIONDATA_RACEtrue, 124#L722-1true, 12#L733-5true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:36,650 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,651 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,651 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,651 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:28:36,740 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([817] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][42], [130#L718-1true, 8#L724-1true, 14#L724-1true, Black: 163#true, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 27#L733-4true, 124#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:36,740 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,740 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,740 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,741 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,742 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([848] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [8#L724-1true, 14#L724-1true, Black: 163#true, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 27#L733-4true, 39#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 144#L718-1true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:36,742 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,742 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,742 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,743 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,783 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([991] L724-1-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.base_11| 0) (= |v_#race~value~0_221| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_156 4294967296)) (= |v_thr1Thread2of4ForFork0_#res#1.offset_11| 0)) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_11|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_11|, #race~value~0=|v_#race~value~0_221|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [130#L718-1true, 24#thr1EXITtrue, Black: 163#true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 27#L733-4true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 127#thr1EXITtrue, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:36,783 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,783 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,784 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,784 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,784 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([848] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [42#L724true, Black: 163#true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 27#L733-4true, 39#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, 127#thr1EXITtrue, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:36,784 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,784 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,784 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:36,784 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:37,374 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([848] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [8#L724-1true, 14#L724-1true, Black: 163#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 39#L722-1true, 160#true, 12#L733-5true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, 93#L722-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:37,374 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2023-08-29 09:28:37,374 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:37,374 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:37,374 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:37,415 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([991] L724-1-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.base_11| 0) (= |v_#race~value~0_221| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_156 4294967296)) (= |v_thr1Thread2of4ForFork0_#res#1.offset_11| 0)) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_11|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_11|, #race~value~0=|v_#race~value~0_221|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [130#L718-1true, 24#thr1EXITtrue, Black: 163#true, 117#L723-2true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 160#true, thr1Thread1of4ForFork0InUse, 12#L733-5true, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:37,416 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2023-08-29 09:28:37,416 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:37,416 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:37,416 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:37,417 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([848] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [42#L724true, Black: 163#true, 117#L723-2true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 39#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 12#L733-5true, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:37,417 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2023-08-29 09:28:37,417 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:37,417 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:37,417 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-08-29 09:28:37,418 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([825] L723-2-->L723-3: Formula: (= |v_thr1Thread3of4ForFork0_#t~nondet6#1_3| |v_#race~value~0_7|) InVars {thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|} OutVars{thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|, #race~value~0=|v_#race~value~0_7|} AuxVars[] AssignedVars[#race~value~0][71], [130#L718-1true, 42#L724true, 99#L723-3true, Black: 165#(= |#race~value~0| 0), 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 160#true, thr1Thread1of4ForFork0InUse, 12#L733-5true, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:37,418 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is not cut-off event [2023-08-29 09:28:37,418 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2023-08-29 09:28:37,418 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2023-08-29 09:28:37,418 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2023-08-29 09:28:37,605 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([848] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [8#L724-1true, Black: 163#true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 27#L733-4true, 39#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, 127#thr1EXITtrue, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:37,605 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2023-08-29 09:28:37,605 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:28:37,605 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:28:37,605 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:28:37,705 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([991] L724-1-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.base_11| 0) (= |v_#race~value~0_221| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_156 4294967296)) (= |v_thr1Thread2of4ForFork0_#res#1.offset_11| 0)) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_11|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_11|, #race~value~0=|v_#race~value~0_221|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [24#thr1EXITtrue, Black: 163#true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 116#thr1Err5ASSERT_VIOLATIONDATA_RACEtrue, 27#L733-4true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 144#L718-1true, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:37,705 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2023-08-29 09:28:37,705 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:28:37,705 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:28:37,706 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:28:37,869 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([848] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [8#L724-1true, Black: 163#true, 117#L723-2true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 39#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 12#L733-5true, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:37,869 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2023-08-29 09:28:37,869 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:28:37,869 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:28:37,869 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:28:37,870 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([825] L723-2-->L723-3: Formula: (= |v_thr1Thread3of4ForFork0_#t~nondet6#1_3| |v_#race~value~0_7|) InVars {thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|} OutVars{thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|, #race~value~0=|v_#race~value~0_7|} AuxVars[] AssignedVars[#race~value~0][71], [130#L718-1true, 8#L724-1true, 99#L723-3true, Black: 165#(= |#race~value~0| 0), 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 160#true, thr1Thread1of4ForFork0InUse, 12#L733-5true, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:37,870 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is not cut-off event [2023-08-29 09:28:37,870 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is not cut-off event [2023-08-29 09:28:37,871 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is not cut-off event [2023-08-29 09:28:37,871 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is not cut-off event [2023-08-29 09:28:37,982 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([991] L724-1-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.base_11| 0) (= |v_#race~value~0_221| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_156 4294967296)) (= |v_thr1Thread2of4ForFork0_#res#1.offset_11| 0)) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_11|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_11|, #race~value~0=|v_#race~value~0_221|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [130#L718-1true, 24#thr1EXITtrue, 14#L724-1true, Black: 163#true, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 27#L733-4true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, 93#L722-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:37,982 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:28:37,982 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:28:37,982 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:28:37,982 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:28:37,983 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1002] L724-1-->thr1EXIT: Formula: (and (< (mod |v_thr1Thread1of4ForFork0_~v~0#1_27| 4294967296) (mod v_~value~0_162 4294967296)) (= |v_thr1Thread1of4ForFork0_#res#1.offset_13| 0) (= |v_thr1Thread1of4ForFork0_#res#1.base_13| 0) (= |v_#race~value~0_229| 0)) InVars {thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_27|, ~value~0=v_~value~0_162} OutVars{thr1Thread1of4ForFork0_#res#1.offset=|v_thr1Thread1of4ForFork0_#res#1.offset_13|, thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_27|, ~value~0=v_~value~0_162, thr1Thread1of4ForFork0_#res#1.base=|v_thr1Thread1of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_229|} AuxVars[] AssignedVars[thr1Thread1of4ForFork0_#res#1.offset, thr1Thread1of4ForFork0_#res#1.base, #race~value~0][79], [130#L718-1true, 111#thr1EXITtrue, 8#L724-1true, Black: 163#true, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 27#L733-4true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, 93#L722-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:37,983 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:28:37,983 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:28:37,983 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:28:37,983 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:28:38,404 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([817] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][42], [8#L724-1true, Black: 163#true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 116#thr1Err5ASSERT_VIOLATIONDATA_RACEtrue, 27#L733-4true, 124#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:38,404 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:28:38,404 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:28:38,405 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:28:38,405 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:28:38,632 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([848] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [8#L724-1true, 14#L724-1true, Black: 163#true, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 27#L733-4true, 39#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, 93#L722-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:38,632 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2023-08-29 09:28:38,633 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:28:38,633 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:28:38,633 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:28:38,673 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([991] L724-1-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.base_11| 0) (= |v_#race~value~0_221| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_156 4294967296)) (= |v_thr1Thread2of4ForFork0_#res#1.offset_11| 0)) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_11|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_156, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_11|, #race~value~0=|v_#race~value~0_221|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [130#L718-1true, 24#thr1EXITtrue, Black: 163#true, 117#L723-2true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 27#L733-4true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:38,673 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2023-08-29 09:28:38,673 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:28:38,673 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:28:38,673 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:28:38,674 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([848] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [42#L724true, Black: 163#true, 117#L723-2true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 27#L733-4true, 39#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:38,674 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2023-08-29 09:28:38,674 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:28:38,674 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:28:38,674 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:28:38,675 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([825] L723-2-->L723-3: Formula: (= |v_thr1Thread3of4ForFork0_#t~nondet6#1_3| |v_#race~value~0_7|) InVars {thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|} OutVars{thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|, #race~value~0=|v_#race~value~0_7|} AuxVars[] AssignedVars[#race~value~0][71], [130#L718-1true, 42#L724true, 99#L723-3true, Black: 165#(= |#race~value~0| 0), 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 174#true, 27#L733-4true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:38,675 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is not cut-off event [2023-08-29 09:28:38,675 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is not cut-off event [2023-08-29 09:28:38,675 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is not cut-off event [2023-08-29 09:28:38,675 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is not cut-off event [2023-08-29 09:28:38,936 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([848] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [8#L724-1true, Black: 163#true, 117#L723-2true, 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 27#L733-4true, 39#L722-1true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:38,936 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2023-08-29 09:28:38,936 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:28:38,936 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:28:38,937 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2023-08-29 09:28:38,937 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([825] L723-2-->L723-3: Formula: (= |v_thr1Thread3of4ForFork0_#t~nondet6#1_3| |v_#race~value~0_7|) InVars {thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|} OutVars{thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|, #race~value~0=|v_#race~value~0_7|} AuxVars[] AssignedVars[#race~value~0][71], [130#L718-1true, 8#L724-1true, 99#L723-3true, Black: 165#(= |#race~value~0| 0), 105#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 174#true, Black: 171#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 27#L733-4true, 160#true, thr1Thread1of4ForFork0InUse, 169#true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse]) [2023-08-29 09:28:38,937 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is not cut-off event [2023-08-29 09:28:38,937 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is not cut-off event [2023-08-29 09:28:38,938 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is not cut-off event [2023-08-29 09:28:38,938 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is not cut-off event [2023-08-29 09:28:39,926 INFO L130 PetriNetUnfolder]: 196904/300043 cut-off events. [2023-08-29 09:28:39,926 INFO L131 PetriNetUnfolder]: For 257896/276042 co-relation queries the response was YES. [2023-08-29 09:28:40,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 812230 conditions, 300043 events. 196904/300043 cut-off events. For 257896/276042 co-relation queries the response was YES. Maximal size of possible extension queue 11494. Compared 2872352 event pairs, 96672 based on Foata normal form. 1946/249609 useless extension candidates. Maximal degree in co-relation 812220. Up to 219945 conditions per place. [2023-08-29 09:28:42,558 INFO L137 encePairwiseOnDemand]: 228/243 looper letters, 91 selfloop transitions, 29 changer transitions 0/166 dead transitions. [2023-08-29 09:28:42,558 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 166 transitions, 983 flow [2023-08-29 09:28:42,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:28:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:28:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 329 transitions. [2023-08-29 09:28:42,560 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4513031550068587 [2023-08-29 09:28:42,560 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 329 transitions. [2023-08-29 09:28:42,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 329 transitions. [2023-08-29 09:28:42,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:28:42,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 329 transitions. [2023-08-29 09:28:42,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:42,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:42,563 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:42,563 INFO L175 Difference]: Start difference. First operand has 88 places, 126 transitions, 565 flow. Second operand 3 states and 329 transitions. [2023-08-29 09:28:42,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 166 transitions, 983 flow [2023-08-29 09:28:43,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 166 transitions, 954 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 09:28:43,417 INFO L231 Difference]: Finished difference. Result has 90 places, 151 transitions, 811 flow [2023-08-29 09:28:43,417 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=811, PETRI_PLACES=90, PETRI_TRANSITIONS=151} [2023-08-29 09:28:43,418 INFO L281 CegarLoopForPetriNet]: 111 programPoint places, -21 predicate places. [2023-08-29 09:28:43,418 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 151 transitions, 811 flow [2023-08-29 09:28:43,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:43,418 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:28:43,418 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1] [2023-08-29 09:28:43,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 09:28:43,419 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-08-29 09:28:43,419 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:28:43,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1821780301, now seen corresponding path program 1 times [2023-08-29 09:28:43,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:28:43,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704467493] [2023-08-29 09:28:43,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:28:43,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:28:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:28:43,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:28:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:28:43,464 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:28:43,464 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:28:43,464 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 51 remaining) [2023-08-29 09:28:43,464 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2023-08-29 09:28:43,465 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2023-08-29 09:28:43,465 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2023-08-29 09:28:43,465 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2023-08-29 09:28:43,465 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2023-08-29 09:28:43,465 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2023-08-29 09:28:43,465 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2023-08-29 09:28:43,466 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2023-08-29 09:28:43,466 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2023-08-29 09:28:43,466 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2023-08-29 09:28:43,466 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2023-08-29 09:28:43,466 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2023-08-29 09:28:43,466 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2023-08-29 09:28:43,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2023-08-29 09:28:43,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2023-08-29 09:28:43,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2023-08-29 09:28:43,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2023-08-29 09:28:43,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2023-08-29 09:28:43,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2023-08-29 09:28:43,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2023-08-29 09:28:43,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2023-08-29 09:28:43,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2023-08-29 09:28:43,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2023-08-29 09:28:43,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2023-08-29 09:28:43,472 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2023-08-29 09:28:43,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2023-08-29 09:28:43,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2023-08-29 09:28:43,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2023-08-29 09:28:43,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2023-08-29 09:28:43,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2023-08-29 09:28:43,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2023-08-29 09:28:43,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2023-08-29 09:28:43,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2023-08-29 09:28:43,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2023-08-29 09:28:43,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2023-08-29 09:28:43,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2023-08-29 09:28:43,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2023-08-29 09:28:43,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 09:28:43,475 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-29 09:28:43,475 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 09:28:43,475 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2023-08-29 09:28:43,501 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:28:43,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 190 places, 185 transitions, 415 flow [2023-08-29 09:28:43,523 INFO L130 PetriNetUnfolder]: 11/243 cut-off events. [2023-08-29 09:28:43,523 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2023-08-29 09:28:43,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 243 events. 11/243 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 799 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 212. Up to 12 conditions per place. [2023-08-29 09:28:43,526 INFO L82 GeneralOperation]: Start removeDead. Operand has 190 places, 185 transitions, 415 flow [2023-08-29 09:28:43,528 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 190 places, 185 transitions, 415 flow [2023-08-29 09:28:43,528 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:28:43,528 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 190 places, 185 transitions, 415 flow [2023-08-29 09:28:43,528 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 190 places, 185 transitions, 415 flow [2023-08-29 09:28:43,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 190 places, 185 transitions, 415 flow [2023-08-29 09:28:43,544 INFO L130 PetriNetUnfolder]: 11/243 cut-off events. [2023-08-29 09:28:43,544 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2023-08-29 09:28:43,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 243 events. 11/243 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 799 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 212. Up to 12 conditions per place. [2023-08-29 09:28:43,553 INFO L119 LiptonReduction]: Number of co-enabled transitions 23870 [2023-08-29 09:28:45,276 INFO L134 LiptonReduction]: Checked pairs total: 121754 [2023-08-29 09:28:45,276 INFO L136 LiptonReduction]: Total number of compositions: 105 [2023-08-29 09:28:45,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:28:45,280 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;@3f34c1f8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:28:45,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2023-08-29 09:28:45,281 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-29 09:28:45,281 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:28:45,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:28:45,281 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 09:28:45,281 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-29 09:28:45,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:28:45,281 INFO L85 PathProgramCache]: Analyzing trace with hash 42291895, now seen corresponding path program 1 times [2023-08-29 09:28:45,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:28:45,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048193604] [2023-08-29 09:28:45,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:28:45,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:28:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:28:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:28:45,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:28:45,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048193604] [2023-08-29 09:28:45,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048193604] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:28:45,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:28:45,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:28:45,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420002616] [2023-08-29 09:28:45,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:28:45,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:28:45,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:28:45,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:28:45,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:28:45,298 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 290 [2023-08-29 09:28:45,299 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 131 transitions, 307 flow. Second operand has 2 states, 2 states have (on average 125.0) internal successors, (250), 2 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:45,299 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:28:45,299 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 290 [2023-08-29 09:28:45,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:28:50,793 INFO L130 PetriNetUnfolder]: 48733/80511 cut-off events. [2023-08-29 09:28:50,794 INFO L131 PetriNetUnfolder]: For 20331/20331 co-relation queries the response was YES. [2023-08-29 09:28:51,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149715 conditions, 80511 events. 48733/80511 cut-off events. For 20331/20331 co-relation queries the response was YES. Maximal size of possible extension queue 3236. Compared 776304 event pairs, 38819 based on Foata normal form. 16228/86888 useless extension candidates. Maximal degree in co-relation 24308. Up to 59908 conditions per place. [2023-08-29 09:28:51,368 INFO L137 encePairwiseOnDemand]: 254/290 looper letters, 34 selfloop transitions, 0 changer transitions 0/95 dead transitions. [2023-08-29 09:28:51,369 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 95 transitions, 303 flow [2023-08-29 09:28:51,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:28:51,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:28:51,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 316 transitions. [2023-08-29 09:28:51,370 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5448275862068965 [2023-08-29 09:28:51,370 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 316 transitions. [2023-08-29 09:28:51,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 316 transitions. [2023-08-29 09:28:51,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:28:51,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 316 transitions. [2023-08-29 09:28:51,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 158.0) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:51,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:51,372 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:51,372 INFO L175 Difference]: Start difference. First operand has 137 places, 131 transitions, 307 flow. Second operand 2 states and 316 transitions. [2023-08-29 09:28:51,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 95 transitions, 303 flow [2023-08-29 09:28:51,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 95 transitions, 283 flow, removed 10 selfloop flow, removed 0 redundant places. [2023-08-29 09:28:51,382 INFO L231 Difference]: Finished difference. Result has 102 places, 95 transitions, 215 flow [2023-08-29 09:28:51,382 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=215, PETRI_PLACES=102, PETRI_TRANSITIONS=95} [2023-08-29 09:28:51,383 INFO L281 CegarLoopForPetriNet]: 137 programPoint places, -35 predicate places. [2023-08-29 09:28:51,383 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 95 transitions, 215 flow [2023-08-29 09:28:51,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 125.0) internal successors, (250), 2 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:51,383 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:28:51,384 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 09:28:51,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 09:28:51,384 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-29 09:28:51,384 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:28:51,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1987842073, now seen corresponding path program 1 times [2023-08-29 09:28:51,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:28:51,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689300973] [2023-08-29 09:28:51,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:28:51,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:28:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:28:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:28:51,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:28:51,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689300973] [2023-08-29 09:28:51,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689300973] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:28:51,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:28:51,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:28:51,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024206531] [2023-08-29 09:28:51,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:28:51,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:28:51,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:28:51,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:28:51,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:28:51,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 290 [2023-08-29 09:28:51,449 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 95 transitions, 215 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:28:51,449 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:28:51,449 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 290 [2023-08-29 09:28:51,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand