./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-sre-trans.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-sre-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 672ab63d50f6d257836fb16bc257f69b3b166ee79333dc7cfe86a969c93c0f7f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:29:10,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:29:10,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:29:10,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:29:10,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:29:10,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:29:10,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:29:10,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:29:10,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:29:10,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:29:10,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:29:10,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:29:10,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:29:10,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:29:10,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:29:10,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:29:10,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:29:10,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:29:10,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:29:10,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:29:10,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:29:10,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:29:10,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:29:10,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:29:10,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:29:10,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:29:10,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:29:10,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:29:10,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:29:10,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:29:10,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:29:10,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:29:10,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:29:10,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:29:10,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:29:10,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:29:10,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:29:10,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:29:10,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:29:10,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:29:10,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:29:10,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:29:10,413 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:29:10,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:29:10,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:29:10,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:29:10,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:29:10,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:29:10,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:29:10,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:29:10,415 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:29:10,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:29:10,416 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:29:10,416 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:29:10,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:29:10,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:29:10,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:29:10,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:29:10,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:29:10,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:29:10,417 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:29:10,417 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:29:10,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:29:10,418 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:29:10,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:29:10,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:29:10,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:29:10,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:29:10,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:29:10,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:29:10,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:29:10,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:29:10,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:29:10,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:29:10,419 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:29:10,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:29:10,420 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:29:10,420 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:29:10,420 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:29:10,420 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672ab63d50f6d257836fb16bc257f69b3b166ee79333dc7cfe86a969c93c0f7f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:29:10,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:29:10,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:29:10,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:29:10,731 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:29:10,731 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:29:10,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-trans.wvr.c [2023-08-29 03:29:12,074 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:29:12,208 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:29:12,210 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-trans.wvr.c [2023-08-29 03:29:12,215 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2d03858c/146f4537795445d3bc2ef3dbf0d23c23/FLAGab386d3d2 [2023-08-29 03:29:12,226 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2d03858c/146f4537795445d3bc2ef3dbf0d23c23 [2023-08-29 03:29:12,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:29:12,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:29:12,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:29:12,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:29:12,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:29:12,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:29:12" (1/1) ... [2023-08-29 03:29:12,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161c7551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12, skipping insertion in model container [2023-08-29 03:29:12,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:29:12" (1/1) ... [2023-08-29 03:29:12,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:29:12,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:29:12,381 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-trans.wvr.c[2272,2285] [2023-08-29 03:29:12,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:29:12,391 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:29:12,433 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-trans.wvr.c[2272,2285] [2023-08-29 03:29:12,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:29:12,447 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:29:12,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12 WrapperNode [2023-08-29 03:29:12,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:29:12,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:29:12,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:29:12,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:29:12,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12" (1/1) ... [2023-08-29 03:29:12,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12" (1/1) ... [2023-08-29 03:29:12,488 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 114 [2023-08-29 03:29:12,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:29:12,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:29:12,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:29:12,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:29:12,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12" (1/1) ... [2023-08-29 03:29:12,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12" (1/1) ... [2023-08-29 03:29:12,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12" (1/1) ... [2023-08-29 03:29:12,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12" (1/1) ... [2023-08-29 03:29:12,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12" (1/1) ... [2023-08-29 03:29:12,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12" (1/1) ... [2023-08-29 03:29:12,519 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12" (1/1) ... [2023-08-29 03:29:12,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12" (1/1) ... [2023-08-29 03:29:12,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:29:12,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:29:12,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:29:12,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:29:12,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12" (1/1) ... [2023-08-29 03:29:12,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:29:12,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:29:12,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:29:12,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:29:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:29:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:29:12,605 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:29:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:29:12,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:29:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 03:29:12,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 03:29:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:29:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:29:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:29:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:29:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:29:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:29:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:29:12,612 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:29:12,719 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:29:12,721 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:29:12,961 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:29:12,967 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:29:12,967 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 03:29:12,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:29:12 BoogieIcfgContainer [2023-08-29 03:29:12,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:29:12,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:29:12,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:29:12,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:29:12,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:29:12" (1/3) ... [2023-08-29 03:29:12,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3be65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:29:12, skipping insertion in model container [2023-08-29 03:29:12,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:29:12" (2/3) ... [2023-08-29 03:29:12,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3be65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:29:12, skipping insertion in model container [2023-08-29 03:29:12,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:29:12" (3/3) ... [2023-08-29 03:29:12,974 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-trans.wvr.c [2023-08-29 03:29:12,978 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:29:12,984 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:29:12,984 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2023-08-29 03:29:12,984 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:29:13,048 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 03:29:13,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 195 places, 191 transitions, 406 flow [2023-08-29 03:29:13,134 INFO L130 PetriNetUnfolder]: 6/188 cut-off events. [2023-08-29 03:29:13,134 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:29:13,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 188 events. 6/188 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 264 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2023-08-29 03:29:13,141 INFO L82 GeneralOperation]: Start removeDead. Operand has 195 places, 191 transitions, 406 flow [2023-08-29 03:29:13,146 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 173 places, 167 transitions, 352 flow [2023-08-29 03:29:13,149 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:29:13,154 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 167 transitions, 352 flow [2023-08-29 03:29:13,156 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 167 transitions, 352 flow [2023-08-29 03:29:13,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 173 places, 167 transitions, 352 flow [2023-08-29 03:29:13,214 INFO L130 PetriNetUnfolder]: 4/167 cut-off events. [2023-08-29 03:29:13,214 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:29:13,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 167 events. 4/167 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 248 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2023-08-29 03:29:13,223 INFO L119 LiptonReduction]: Number of co-enabled transitions 6072 [2023-08-29 03:29:16,333 INFO L134 LiptonReduction]: Checked pairs total: 19316 [2023-08-29 03:29:16,333 INFO L136 LiptonReduction]: Total number of compositions: 145 [2023-08-29 03:29:16,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:29:16,348 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;@6fc29f08, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:29:16,348 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-08-29 03:29:16,349 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:29:16,349 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:29:16,350 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:29:16,350 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:29:16,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-29 03:29:16,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:29:16,353 INFO L85 PathProgramCache]: Analyzing trace with hash 645, now seen corresponding path program 1 times [2023-08-29 03:29:16,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:29:16,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565501504] [2023-08-29 03:29:16,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:29:16,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:29:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:29:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:29:16,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:29:16,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565501504] [2023-08-29 03:29:16,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565501504] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:29:16,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:29:16,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:29:16,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503212738] [2023-08-29 03:29:16,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:29:16,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:29:16,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:29:16,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:29:16,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:29:16,436 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 336 [2023-08-29 03:29:16,437 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 57 transitions, 132 flow. Second operand has 2 states, 2 states have (on average 183.5) internal successors, (367), 2 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:16,438 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:29:16,438 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 336 [2023-08-29 03:29:16,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:29:16,549 INFO L130 PetriNetUnfolder]: 465/767 cut-off events. [2023-08-29 03:29:16,549 INFO L131 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2023-08-29 03:29:16,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1510 conditions, 767 events. 465/767 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4029 event pairs, 333 based on Foata normal form. 1/584 useless extension candidates. Maximal degree in co-relation 1252. Up to 676 conditions per place. [2023-08-29 03:29:16,559 INFO L137 encePairwiseOnDemand]: 325/336 looper letters, 23 selfloop transitions, 0 changer transitions 1/46 dead transitions. [2023-08-29 03:29:16,560 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 46 transitions, 158 flow [2023-08-29 03:29:16,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:29:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:29:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 401 transitions. [2023-08-29 03:29:16,576 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5967261904761905 [2023-08-29 03:29:16,578 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 401 transitions. [2023-08-29 03:29:16,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 401 transitions. [2023-08-29 03:29:16,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:29:16,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 401 transitions. [2023-08-29 03:29:16,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 200.5) internal successors, (401), 2 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:16,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:16,590 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:16,591 INFO L175 Difference]: Start difference. First operand has 64 places, 57 transitions, 132 flow. Second operand 2 states and 401 transitions. [2023-08-29 03:29:16,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 46 transitions, 158 flow [2023-08-29 03:29:16,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 46 transitions, 146 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 03:29:16,598 INFO L231 Difference]: Finished difference. Result has 48 places, 45 transitions, 95 flow [2023-08-29 03:29:16,599 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=95, PETRI_PLACES=48, PETRI_TRANSITIONS=45} [2023-08-29 03:29:16,604 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -16 predicate places. [2023-08-29 03:29:16,604 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 45 transitions, 95 flow [2023-08-29 03:29:16,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 183.5) internal successors, (367), 2 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:16,605 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:29:16,606 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 03:29:16,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:29:16,608 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-29 03:29:16,610 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:29:16,610 INFO L85 PathProgramCache]: Analyzing trace with hash 19861359, now seen corresponding path program 1 times [2023-08-29 03:29:16,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:29:16,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644758554] [2023-08-29 03:29:16,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:29:16,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:29:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:29:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:29:16,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:29:16,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644758554] [2023-08-29 03:29:16,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644758554] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:29:16,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:29:16,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:29:16,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573245105] [2023-08-29 03:29:16,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:29:16,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:29:16,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:29:16,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:29:16,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:29:16,732 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 336 [2023-08-29 03:29:16,732 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:16,733 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:29:16,733 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 336 [2023-08-29 03:29:16,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:29:16,877 INFO L130 PetriNetUnfolder]: 937/1635 cut-off events. [2023-08-29 03:29:16,877 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-29 03:29:16,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3015 conditions, 1635 events. 937/1635 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 10068 event pairs, 219 based on Foata normal form. 0/1421 useless extension candidates. Maximal degree in co-relation 3012. Up to 1314 conditions per place. [2023-08-29 03:29:16,884 INFO L137 encePairwiseOnDemand]: 332/336 looper letters, 36 selfloop transitions, 2 changer transitions 0/54 dead transitions. [2023-08-29 03:29:16,884 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 54 transitions, 191 flow [2023-08-29 03:29:16,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:29:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:29:16,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 568 transitions. [2023-08-29 03:29:16,887 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5634920634920635 [2023-08-29 03:29:16,887 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 568 transitions. [2023-08-29 03:29:16,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 568 transitions. [2023-08-29 03:29:16,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:29:16,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 568 transitions. [2023-08-29 03:29:16,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:16,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 336.0) internal successors, (1344), 4 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:16,892 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 336.0) internal successors, (1344), 4 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:16,892 INFO L175 Difference]: Start difference. First operand has 48 places, 45 transitions, 95 flow. Second operand 3 states and 568 transitions. [2023-08-29 03:29:16,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 54 transitions, 191 flow [2023-08-29 03:29:16,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 191 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:29:16,893 INFO L231 Difference]: Finished difference. Result has 48 places, 45 transitions, 105 flow [2023-08-29 03:29:16,894 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=105, PETRI_PLACES=48, PETRI_TRANSITIONS=45} [2023-08-29 03:29:16,894 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -16 predicate places. [2023-08-29 03:29:16,894 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 45 transitions, 105 flow [2023-08-29 03:29:16,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:16,895 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:29:16,895 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 03:29:16,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:29:16,896 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-29 03:29:16,898 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:29:16,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1912306399, now seen corresponding path program 1 times [2023-08-29 03:29:16,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:29:16,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185296512] [2023-08-29 03:29:16,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:29:16,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:29:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:29:16,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:29:16,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:29:16,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185296512] [2023-08-29 03:29:16,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185296512] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:29:16,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:29:16,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:29:16,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527110282] [2023-08-29 03:29:16,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:29:16,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:29:16,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:29:16,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:29:16,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:29:16,960 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 336 [2023-08-29 03:29:16,961 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:16,961 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:29:16,961 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 336 [2023-08-29 03:29:16,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:29:17,080 INFO L130 PetriNetUnfolder]: 1048/1623 cut-off events. [2023-08-29 03:29:17,080 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2023-08-29 03:29:17,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3188 conditions, 1623 events. 1048/1623 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 8879 event pairs, 502 based on Foata normal form. 0/1435 useless extension candidates. Maximal degree in co-relation 3184. Up to 1483 conditions per place. [2023-08-29 03:29:17,087 INFO L137 encePairwiseOnDemand]: 331/336 looper letters, 36 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2023-08-29 03:29:17,088 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 53 transitions, 199 flow [2023-08-29 03:29:17,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:29:17,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:29:17,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2023-08-29 03:29:17,089 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2023-08-29 03:29:17,089 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2023-08-29 03:29:17,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2023-08-29 03:29:17,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:29:17,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2023-08-29 03:29:17,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 336.0) internal successors, (1344), 4 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,093 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 336.0) internal successors, (1344), 4 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,093 INFO L175 Difference]: Start difference. First operand has 48 places, 45 transitions, 105 flow. Second operand 3 states and 560 transitions. [2023-08-29 03:29:17,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 53 transitions, 199 flow [2023-08-29 03:29:17,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 53 transitions, 199 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:29:17,094 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 113 flow [2023-08-29 03:29:17,095 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=113, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2023-08-29 03:29:17,095 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -16 predicate places. [2023-08-29 03:29:17,095 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 113 flow [2023-08-29 03:29:17,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,096 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:29:17,096 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:29:17,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:29:17,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-29 03:29:17,097 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:29:17,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1015302896, now seen corresponding path program 1 times [2023-08-29 03:29:17,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:29:17,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208302641] [2023-08-29 03:29:17,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:29:17,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:29:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:29:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:29:17,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:29:17,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208302641] [2023-08-29 03:29:17,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208302641] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:29:17,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:29:17,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:29:17,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512589752] [2023-08-29 03:29:17,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:29:17,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:29:17,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:29:17,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:29:17,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:29:17,134 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 336 [2023-08-29 03:29:17,135 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,135 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:29:17,135 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 336 [2023-08-29 03:29:17,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:29:17,239 INFO L130 PetriNetUnfolder]: 575/928 cut-off events. [2023-08-29 03:29:17,240 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-29 03:29:17,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1823 conditions, 928 events. 575/928 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 4875 event pairs, 313 based on Foata normal form. 0/741 useless extension candidates. Maximal degree in co-relation 1818. Up to 625 conditions per place. [2023-08-29 03:29:17,245 INFO L137 encePairwiseOnDemand]: 332/336 looper letters, 33 selfloop transitions, 3 changer transitions 0/56 dead transitions. [2023-08-29 03:29:17,245 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 56 transitions, 211 flow [2023-08-29 03:29:17,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:29:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:29:17,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 568 transitions. [2023-08-29 03:29:17,249 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5634920634920635 [2023-08-29 03:29:17,249 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 568 transitions. [2023-08-29 03:29:17,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 568 transitions. [2023-08-29 03:29:17,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:29:17,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 568 transitions. [2023-08-29 03:29:17,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 336.0) internal successors, (1344), 4 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,253 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 336.0) internal successors, (1344), 4 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,253 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 113 flow. Second operand 3 states and 568 transitions. [2023-08-29 03:29:17,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 56 transitions, 211 flow [2023-08-29 03:29:17,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 56 transitions, 211 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:29:17,255 INFO L231 Difference]: Finished difference. Result has 49 places, 43 transitions, 117 flow [2023-08-29 03:29:17,255 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=49, PETRI_TRANSITIONS=43} [2023-08-29 03:29:17,256 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -15 predicate places. [2023-08-29 03:29:17,256 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 117 flow [2023-08-29 03:29:17,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,257 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:29:17,257 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:29:17,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:29:17,257 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-29 03:29:17,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:29:17,258 INFO L85 PathProgramCache]: Analyzing trace with hash -519538623, now seen corresponding path program 1 times [2023-08-29 03:29:17,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:29:17,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007131340] [2023-08-29 03:29:17,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:29:17,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:29:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:29:17,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:29:17,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:29:17,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007131340] [2023-08-29 03:29:17,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007131340] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:29:17,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:29:17,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:29:17,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852595400] [2023-08-29 03:29:17,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:29:17,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:29:17,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:29:17,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:29:17,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:29:17,318 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 336 [2023-08-29 03:29:17,319 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 43 transitions, 117 flow. Second operand has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,319 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:29:17,319 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 336 [2023-08-29 03:29:17,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:29:17,434 INFO L130 PetriNetUnfolder]: 1173/1736 cut-off events. [2023-08-29 03:29:17,434 INFO L131 PetriNetUnfolder]: For 343/343 co-relation queries the response was YES. [2023-08-29 03:29:17,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 1736 events. 1173/1736 cut-off events. For 343/343 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 8279 event pairs, 274 based on Foata normal form. 0/1523 useless extension candidates. Maximal degree in co-relation 3798. Up to 1637 conditions per place. [2023-08-29 03:29:17,438 INFO L137 encePairwiseOnDemand]: 330/336 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2023-08-29 03:29:17,438 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 50 transitions, 215 flow [2023-08-29 03:29:17,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:29:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:29:17,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 552 transitions. [2023-08-29 03:29:17,439 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5476190476190477 [2023-08-29 03:29:17,439 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 552 transitions. [2023-08-29 03:29:17,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 552 transitions. [2023-08-29 03:29:17,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:29:17,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 552 transitions. [2023-08-29 03:29:17,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 336.0) internal successors, (1344), 4 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,443 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 336.0) internal successors, (1344), 4 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,443 INFO L175 Difference]: Start difference. First operand has 49 places, 43 transitions, 117 flow. Second operand 3 states and 552 transitions. [2023-08-29 03:29:17,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 50 transitions, 215 flow [2023-08-29 03:29:17,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 50 transitions, 203 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 03:29:17,444 INFO L231 Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow [2023-08-29 03:29:17,444 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0} [2023-08-29 03:29:17,445 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -19 predicate places. [2023-08-29 03:29:17,445 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow [2023-08-29 03:29:17,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:29:17,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2023-08-29 03:29:17,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2023-08-29 03:29:17,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2023-08-29 03:29:17,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2023-08-29 03:29:17,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2023-08-29 03:29:17,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2023-08-29 03:29:17,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2023-08-29 03:29:17,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2023-08-29 03:29:17,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2023-08-29 03:29:17,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2023-08-29 03:29:17,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2023-08-29 03:29:17,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2023-08-29 03:29:17,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2023-08-29 03:29:17,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2023-08-29 03:29:17,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2023-08-29 03:29:17,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2023-08-29 03:29:17,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2023-08-29 03:29:17,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2023-08-29 03:29:17,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2023-08-29 03:29:17,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2023-08-29 03:29:17,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2023-08-29 03:29:17,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 36 remaining) [2023-08-29 03:29:17,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 36 remaining) [2023-08-29 03:29:17,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 36 remaining) [2023-08-29 03:29:17,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2023-08-29 03:29:17,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2023-08-29 03:29:17,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2023-08-29 03:29:17,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2023-08-29 03:29:17,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2023-08-29 03:29:17,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2023-08-29 03:29:17,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2023-08-29 03:29:17,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2023-08-29 03:29:17,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2023-08-29 03:29:17,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2023-08-29 03:29:17,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2023-08-29 03:29:17,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2023-08-29 03:29:17,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:29:17,455 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-29 03:29:17,458 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:29:17,458 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:29:17,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:29:17 BasicIcfg [2023-08-29 03:29:17,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:29:17,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:29:17,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:29:17,461 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:29:17,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:29:12" (3/4) ... [2023-08-29 03:29:17,463 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:29:17,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:29:17,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:29:17,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 03:29:17,469 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-08-29 03:29:17,470 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:29:17,470 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:29:17,470 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:29:17,491 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:29:17,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:29:17,492 INFO L158 Benchmark]: Toolchain (without parser) took 5261.12ms. Allocated memory was 62.9MB in the beginning and 119.5MB in the end (delta: 56.6MB). Free memory was 35.2MB in the beginning and 90.1MB in the end (delta: -54.9MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2023-08-29 03:29:17,492 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:29:17,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.24ms. Allocated memory is still 62.9MB. Free memory was 34.9MB in the beginning and 41.7MB in the end (delta: -6.8MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-08-29 03:29:17,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.74ms. Allocated memory is still 62.9MB. Free memory was 41.7MB in the beginning and 39.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:29:17,493 INFO L158 Benchmark]: Boogie Preprocessor took 38.35ms. Allocated memory is still 62.9MB. Free memory was 39.6MB in the beginning and 38.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:29:17,493 INFO L158 Benchmark]: RCFGBuilder took 440.10ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 36.9MB in the end (delta: 1.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-29 03:29:17,493 INFO L158 Benchmark]: TraceAbstraction took 4490.87ms. Allocated memory was 62.9MB in the beginning and 119.5MB in the end (delta: 56.6MB). Free memory was 36.4MB in the beginning and 94.3MB in the end (delta: -58.0MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2023-08-29 03:29:17,493 INFO L158 Benchmark]: Witness Printer took 30.33ms. Allocated memory is still 119.5MB. Free memory was 94.3MB in the beginning and 90.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:29:17,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.24ms. Allocated memory is still 62.9MB. Free memory was 34.9MB in the beginning and 41.7MB in the end (delta: -6.8MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.74ms. Allocated memory is still 62.9MB. Free memory was 41.7MB in the beginning and 39.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.35ms. Allocated memory is still 62.9MB. Free memory was 39.6MB in the beginning and 38.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.10ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 36.9MB in the end (delta: 1.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4490.87ms. Allocated memory was 62.9MB in the beginning and 119.5MB in the end (delta: 56.6MB). Free memory was 36.4MB in the beginning and 94.3MB in the end (delta: -58.0MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Witness Printer took 30.33ms. Allocated memory is still 119.5MB. Free memory was 94.3MB in the beginning and 90.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2s, 173 PlacesBefore, 64 PlacesAfterwards, 167 TransitionsBefore, 57 TransitionsAfterwards, 6072 CoEnabledTransitionPairs, 6 FixpointIterations, 63 TrivialSequentialCompositions, 68 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 145 TotalNumberOfCompositions, 19316 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8537, independent: 8169, independent conditional: 0, independent unconditional: 8169, dependent: 368, dependent conditional: 0, dependent unconditional: 368, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3376, independent: 3332, independent conditional: 0, independent unconditional: 3332, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8537, independent: 4837, independent conditional: 0, independent unconditional: 4837, dependent: 324, dependent conditional: 0, dependent unconditional: 324, unknown: 3376, unknown conditional: 0, unknown unconditional: 3376] , Statistics on independence cache: Total cache size (in pairs): 497, Positive cache size: 466, Positive conditional cache size: 0, Positive unconditional cache size: 466, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 255 locations, 36 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 250 IncrementalHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 25 mSDtfsCounter, 250 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:29:17,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE