./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 20:17:08,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 20:17:08,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 20:17:08,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 20:17:08,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 20:17:08,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 20:17:08,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 20:17:08,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 20:17:08,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 20:17:08,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 20:17:08,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 20:17:08,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 20:17:08,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 20:17:08,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 20:17:08,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 20:17:08,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 20:17:08,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 20:17:08,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 20:17:08,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 20:17:08,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 20:17:08,403 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 20:17:08,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 20:17:08,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 20:17:08,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 20:17:08,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 20:17:08,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 20:17:08,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 20:17:08,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 20:17:08,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 20:17:08,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 20:17:08,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 20:17:08,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 20:17:08,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 20:17:08,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 20:17:08,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 20:17:08,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 20:17:08,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 20:17:08,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 20:17:08,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 20:17:08,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 20:17:08,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 20:17:08,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 20:17:08,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 20:17:08,442 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 20:17:08,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 20:17:08,443 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 20:17:08,443 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 20:17:08,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 20:17:08,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 20:17:08,444 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 20:17:08,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 20:17:08,444 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 20:17:08,445 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 20:17:08,445 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 20:17:08,445 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 20:17:08,445 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 20:17:08,445 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 20:17:08,445 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 20:17:08,446 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 20:17:08,446 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 20:17:08,446 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 20:17:08,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 20:17:08,447 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 20:17:08,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 20:17:08,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 20:17:08,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 20:17:08,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 20:17:08,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 20:17:08,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 20:17:08,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 20:17:08,448 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 20:17:08,449 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 20:17:08,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 20:17:08,449 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 20:17:08,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 20:17:08,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 20:17:08,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 20:17:08,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:17:08,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 20:17:08,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 20:17:08,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 20:17:08,450 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 20:17:08,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 20:17:08,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 20:17:08,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 20:17:08,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 20:17:08,451 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/UTaipan-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 [2022-04-18 20:17:08,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 20:17:08,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 20:17:08,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 20:17:08,674 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 20:17:08,674 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 20:17:08,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c [2022-04-18 20:17:08,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3c9626c43/60a2d5732d9848fe855285905d8fbe70/FLAG367b855bb [2022-04-18 20:17:09,098 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 20:17:09,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c [2022-04-18 20:17:09,107 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3c9626c43/60a2d5732d9848fe855285905d8fbe70/FLAG367b855bb [2022-04-18 20:17:09,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3c9626c43/60a2d5732d9848fe855285905d8fbe70 [2022-04-18 20:17:09,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 20:17:09,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 20:17:09,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 20:17:09,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 20:17:09,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 20:17:09,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:17:09" (1/1) ... [2022-04-18 20:17:09,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64053e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:17:09, skipping insertion in model container [2022-04-18 20:17:09,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:17:09" (1/1) ... [2022-04-18 20:17:09,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 20:17:09,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 20:17:09,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c[2495,2508] [2022-04-18 20:17:09,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:17:09,337 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 20:17:09,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c[2495,2508] [2022-04-18 20:17:09,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:17:09,387 INFO L208 MainTranslator]: Completed translation [2022-04-18 20:17:09,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:17:09 WrapperNode [2022-04-18 20:17:09,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 20:17:09,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 20:17:09,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 20:17:09,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 20:17:09,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:17:09" (1/1) ... [2022-04-18 20:17:09,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:17:09" (1/1) ... [2022-04-18 20:17:09,429 INFO L137 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 256 [2022-04-18 20:17:09,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 20:17:09,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 20:17:09,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 20:17:09,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 20:17:09,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:17:09" (1/1) ... [2022-04-18 20:17:09,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:17:09" (1/1) ... [2022-04-18 20:17:09,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:17:09" (1/1) ... [2022-04-18 20:17:09,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:17:09" (1/1) ... [2022-04-18 20:17:09,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:17:09" (1/1) ... [2022-04-18 20:17:09,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:17:09" (1/1) ... [2022-04-18 20:17:09,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:17:09" (1/1) ... [2022-04-18 20:17:09,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 20:17:09,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 20:17:09,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 20:17:09,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 20:17:09,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:17:09" (1/1) ... [2022-04-18 20:17:09,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:17:09,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 20:17:09,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 20:17:09,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 20:17:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 20:17:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 20:17:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 20:17:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 20:17:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 20:17:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 20:17:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 20:17:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 20:17:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 20:17:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 20:17:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 20:17:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 20:17:09,528 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 20:17:09,633 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 20:17:09,648 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 20:17:09,977 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 20:17:09,986 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 20:17:09,986 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 20:17:09,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:17:09 BoogieIcfgContainer [2022-04-18 20:17:09,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 20:17:09,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 20:17:09,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 20:17:09,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 20:17:09,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:17:09" (1/3) ... [2022-04-18 20:17:09,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708293de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:17:09, skipping insertion in model container [2022-04-18 20:17:09,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:17:09" (2/3) ... [2022-04-18 20:17:09,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708293de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:17:09, skipping insertion in model container [2022-04-18 20:17:09,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:17:09" (3/3) ... [2022-04-18 20:17:09,996 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-file-item-symm.wvr.c [2022-04-18 20:17:10,001 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 20:17:10,001 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 20:17:10,001 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-04-18 20:17:10,001 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 20:17:10,104 INFO L135 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-04-18 20:17:10,172 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 20:17:10,184 INFO L340 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=FINITE_AUTOMATA, 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 [2022-04-18 20:17:10,185 INFO L341 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2022-04-18 20:17:10,216 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 20:17:10,228 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 327 places, 342 transitions, 700 flow [2022-04-18 20:17:10,233 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 327 places, 342 transitions, 700 flow [2022-04-18 20:17:10,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 327 places, 342 transitions, 700 flow [2022-04-18 20:17:10,348 INFO L129 PetriNetUnfolder]: 22/340 cut-off events. [2022-04-18 20:17:10,349 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-04-18 20:17:10,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 340 events. 22/340 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 757 event pairs, 0 based on Foata normal form. 0/286 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2022-04-18 20:17:10,369 INFO L116 LiptonReduction]: Number of co-enabled transitions 21716 [2022-04-18 20:17:17,368 INFO L131 LiptonReduction]: Checked pairs total: 37148 [2022-04-18 20:17:17,369 INFO L133 LiptonReduction]: Total number of compositions: 456 [2022-04-18 20:17:17,375 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 71 transitions, 158 flow [2022-04-18 20:17:17,465 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1315 states, 1094 states have (on average 3.4643510054844606) internal successors, (3790), 1314 states have internal predecessors, (3790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:17:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 1315 states, 1094 states have (on average 3.4643510054844606) internal successors, (3790), 1314 states have internal predecessors, (3790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:17:17,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-04-18 20:17:17,473 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:17:17,474 INFO L499 BasicCegarLoop]: trace histogram [1] [2022-04-18 20:17:17,474 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-04-18 20:17:17,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:17:17,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1411, now seen corresponding path program 1 times [2022-04-18 20:17:17,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:17:17,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3857848] [2022-04-18 20:17:17,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:17:17,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:17:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:17:17,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 20:17:17,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:17:17,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3857848] [2022-04-18 20:17:17,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3857848] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:17:17,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:17:17,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-04-18 20:17:17,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642390366] [2022-04-18 20:17:17,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:17:17,558 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 20:17:17,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:17:17,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 20:17:17,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:17:17,580 INFO L87 Difference]: Start difference. First operand has 1315 states, 1094 states have (on average 3.4643510054844606) internal successors, (3790), 1314 states have internal predecessors, (3790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:17:17,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:17:17,655 INFO L93 Difference]: Finished difference Result 313 states and 905 transitions. [2022-04-18 20:17:17,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 20:17:17,657 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-04-18 20:17:17,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:17:17,671 INFO L225 Difference]: With dead ends: 313 [2022-04-18 20:17:17,672 INFO L226 Difference]: Without dead ends: 266 [2022-04-18 20:17:17,673 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:17:17,677 INFO L913 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-18 20:17:17,678 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-18 20:17:17,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-04-18 20:17:17,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-04-18 20:17:17,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 2.9773584905660377) internal successors, (789), 265 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:17:17,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 789 transitions. [2022-04-18 20:17:17,718 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 789 transitions. Word has length 1 [2022-04-18 20:17:17,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:17:17,719 INFO L478 AbstractCegarLoop]: Abstraction has 266 states and 789 transitions. [2022-04-18 20:17:17,719 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:17:17,719 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 789 transitions. [2022-04-18 20:17:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-04-18 20:17:17,720 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:17:17,720 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-04-18 20:17:17,720 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 20:17:17,720 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-04-18 20:17:17,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:17:17,721 INFO L85 PathProgramCache]: Analyzing trace with hash -876669097, now seen corresponding path program 1 times [2022-04-18 20:17:17,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:17:17,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072293078] [2022-04-18 20:17:17,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:17:17,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:17:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:17:17,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 20:17:17,772 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:17:17,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072293078] [2022-04-18 20:17:17,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072293078] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:17:17,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:17:17,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 20:17:17,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849953816] [2022-04-18 20:17:17,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:17:17,776 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:17:17,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:17:17,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:17:17,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:17:17,780 INFO L87 Difference]: Start difference. First operand 266 states and 789 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:17:17,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:17:17,841 INFO L93 Difference]: Finished difference Result 242 states and 724 transitions. [2022-04-18 20:17:17,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:17:17,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-04-18 20:17:17,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:17:17,841 INFO L225 Difference]: With dead ends: 242 [2022-04-18 20:17:17,842 INFO L226 Difference]: Without dead ends: 0 [2022-04-18 20:17:17,842 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:17:17,843 INFO L913 BasicCegarLoop]: 3 mSDtfsCounter, 17 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:17:17,843 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 5 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:17:17,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-18 20:17:17,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-18 20:17:17,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:17:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-18 20:17:17,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2022-04-18 20:17:17,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:17:17,844 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-18 20:17:17,844 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:17:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-18 20:17:17,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-18 20:17:17,846 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2022-04-18 20:17:17,847 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2022-04-18 20:17:17,847 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2022-04-18 20:17:17,847 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2022-04-18 20:17:17,847 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2022-04-18 20:17:17,848 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2022-04-18 20:17:17,848 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2022-04-18 20:17:17,848 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2022-04-18 20:17:17,848 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2022-04-18 20:17:17,848 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2022-04-18 20:17:17,848 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2022-04-18 20:17:17,849 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2022-04-18 20:17:17,849 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2022-04-18 20:17:17,849 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2022-04-18 20:17:17,849 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2022-04-18 20:17:17,849 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2022-04-18 20:17:17,849 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2022-04-18 20:17:17,849 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2022-04-18 20:17:17,850 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2022-04-18 20:17:17,850 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2022-04-18 20:17:17,850 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2022-04-18 20:17:17,850 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2022-04-18 20:17:17,850 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2022-04-18 20:17:17,850 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2022-04-18 20:17:17,851 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2022-04-18 20:17:17,851 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2022-04-18 20:17:17,851 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining) [2022-04-18 20:17:17,851 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining) [2022-04-18 20:17:17,851 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2022-04-18 20:17:17,851 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2022-04-18 20:17:17,852 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining) [2022-04-18 20:17:17,852 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining) [2022-04-18 20:17:17,852 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 52 remaining) [2022-04-18 20:17:17,852 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 52 remaining) [2022-04-18 20:17:17,852 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 52 remaining) [2022-04-18 20:17:17,852 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2022-04-18 20:17:17,852 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2022-04-18 20:17:17,853 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2022-04-18 20:17:17,853 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2022-04-18 20:17:17,853 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2022-04-18 20:17:17,853 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2022-04-18 20:17:17,853 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2022-04-18 20:17:17,854 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2022-04-18 20:17:17,854 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2022-04-18 20:17:17,854 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2022-04-18 20:17:17,854 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2022-04-18 20:17:17,854 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2022-04-18 20:17:17,854 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2022-04-18 20:17:17,854 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2022-04-18 20:17:17,855 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2022-04-18 20:17:17,855 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2022-04-18 20:17:17,855 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2022-04-18 20:17:17,855 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 20:17:17,856 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1] [2022-04-18 20:17:17,859 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 20:17:17,859 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 20:17:17,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:17:17 BasicIcfg [2022-04-18 20:17:17,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 20:17:17,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 20:17:17,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 20:17:17,861 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 20:17:17,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:17:09" (3/4) ... [2022-04-18 20:17:17,863 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 20:17:17,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 20:17:17,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 20:17:17,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-04-18 20:17:17,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 20:17:17,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 20:17:17,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 20:17:17,894 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2022-04-18 20:17:17,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 20:17:17,894 INFO L158 Benchmark]: Toolchain (without parser) took 8768.95ms. Allocated memory was 130.0MB in the beginning and 209.7MB in the end (delta: 79.7MB). Free memory was 98.7MB in the beginning and 103.5MB in the end (delta: -4.9MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2022-04-18 20:17:17,895 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 20:17:17,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.36ms. Allocated memory is still 130.0MB. Free memory was 98.3MB in the beginning and 101.1MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 20:17:17,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.48ms. Allocated memory is still 130.0MB. Free memory was 101.1MB in the beginning and 98.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 20:17:17,895 INFO L158 Benchmark]: Boogie Preprocessor took 36.62ms. Allocated memory is still 130.0MB. Free memory was 98.9MB in the beginning and 97.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 20:17:17,895 INFO L158 Benchmark]: RCFGBuilder took 521.13ms. Allocated memory is still 130.0MB. Free memory was 96.9MB in the beginning and 76.6MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-04-18 20:17:17,896 INFO L158 Benchmark]: TraceAbstraction took 7869.99ms. Allocated memory was 130.0MB in the beginning and 209.7MB in the end (delta: 79.7MB). Free memory was 76.3MB in the beginning and 107.7MB in the end (delta: -31.5MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2022-04-18 20:17:17,896 INFO L158 Benchmark]: Witness Printer took 32.70ms. Allocated memory is still 209.7MB. Free memory was 107.7MB in the beginning and 103.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 20:17:17,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.36ms. Allocated memory is still 130.0MB. Free memory was 98.3MB in the beginning and 101.1MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.48ms. Allocated memory is still 130.0MB. Free memory was 101.1MB in the beginning and 98.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.62ms. Allocated memory is still 130.0MB. Free memory was 98.9MB in the beginning and 97.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 521.13ms. Allocated memory is still 130.0MB. Free memory was 96.9MB in the beginning and 76.6MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7869.99ms. Allocated memory was 130.0MB in the beginning and 209.7MB in the end (delta: 79.7MB). Free memory was 76.3MB in the beginning and 107.7MB in the end (delta: -31.5MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Witness Printer took 32.70ms. Allocated memory is still 209.7MB. Free memory was 107.7MB in the beginning and 103.5MB 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: 7.1s, 327 PlacesBefore, 70 PlacesAfterwards, 342 TransitionsBefore, 71 TransitionsAfterwards, 21716 CoEnabledTransitionPairs, 8 FixpointIterations, 161 TrivialSequentialCompositions, 219 ConcurrentSequentialCompositions, 22 TrivialYvCompositions, 40 ConcurrentYvCompositions, 14 ChoiceCompositions, 456 TotalNumberOfCompositions, 37148 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28159, positive: 27755, positive conditional: 0, positive unconditional: 27755, negative: 404, negative conditional: 0, negative unconditional: 404, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17049, positive: 16975, positive conditional: 0, positive unconditional: 16975, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17049, positive: 16586, positive conditional: 0, positive unconditional: 16586, negative: 463, negative conditional: 0, negative unconditional: 463, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 463, positive: 389, positive conditional: 0, positive unconditional: 389, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 320, positive: 230, positive conditional: 0, positive unconditional: 230, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28159, positive: 10780, positive conditional: 0, positive unconditional: 10780, negative: 330, negative conditional: 0, negative unconditional: 330, unknown: 17049, unknown conditional: 0, unknown unconditional: 17049] , Statistics on independence cache: Total cache size (in pairs): 780, Positive cache size: 752, Positive conditional cache size: 0, Positive unconditional cache size: 752, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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: 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: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 487 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 6 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1315occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 20:17:17,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-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