./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i --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/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1ef95a35179200d99984d58302d18a6584e38a2849111bfe4f263e2c30aaebc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:45:25,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:45:25,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:45:25,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:45:25,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:45:25,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:45:25,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:45:25,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:45:25,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:45:25,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:45:25,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:45:25,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:45:25,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:45:25,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:45:25,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:45:25,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:45:25,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:45:25,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:45:25,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:45:25,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:45:25,288 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:45:25,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:45:25,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:45:25,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:45:25,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:45:25,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:45:25,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:45:25,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:45:25,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:45:25,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:45:25,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:45:25,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:45:25,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:45:25,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:45:25,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:45:25,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:45:25,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:45:25,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:45:25,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:45:25,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:45:25,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:45:25,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:45:25,308 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 16:45:25,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:45:25,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:45:25,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:45:25,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:45:25,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:45:25,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:45:25,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:45:25,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:45:25,334 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:45:25,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:45:25,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:45:25,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:45:25,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:45:25,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:45:25,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:45:25,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:45:25,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:45:25,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:45:25,336 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:45:25,337 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:45:25,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:45:25,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:45:25,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:45:25,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:45:25,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:45:25,338 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 16:45:25,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:45:25,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:45:25,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:45:25,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:45:25,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:45:25,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:45:25,339 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 16:45:25,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:45:25,339 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:45:25,339 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 16:45:25,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:45:25,340 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 16:45:25,340 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 16:45:25,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1ef95a35179200d99984d58302d18a6584e38a2849111bfe4f263e2c30aaebc [2022-04-18 16:45:25,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:45:25,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:45:25,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:45:25,554 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:45:25,555 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:45:25,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-04-18 16:45:25,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7e487ef0a/ec7d6fd38f814015a574b742eefa9fdd/FLAGd04595127 [2022-04-18 16:45:26,016 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:45:26,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-04-18 16:45:26,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7e487ef0a/ec7d6fd38f814015a574b742eefa9fdd/FLAGd04595127 [2022-04-18 16:45:26,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7e487ef0a/ec7d6fd38f814015a574b742eefa9fdd [2022-04-18 16:45:26,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:45:26,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:45:26,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:45:26,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:45:26,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:45:26,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cbc11d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26, skipping insertion in model container [2022-04-18 16:45:26,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:45:26,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:45:26,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-04-18 16:45:26,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:45:26,376 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:45:26,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-04-18 16:45:26,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:45:26,444 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:45:26,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26 WrapperNode [2022-04-18 16:45:26,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:45:26,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:45:26,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:45:26,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:45:26,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,494 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2022-04-18 16:45:26,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:45:26,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:45:26,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:45:26,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:45:26,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:45:26,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:45:26,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:45:26,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:45:26,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:45:26,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:26,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:45:26,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:45:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:45:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:45:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 16:45:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:45:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:45:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-04-18 16:45:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-04-18 16:45:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:45:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:45:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:45:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:45:26,567 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:45:26,642 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:45:26,643 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:45:26,783 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:45:26,787 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:45:26,788 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:45:26,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:45:26 BoogieIcfgContainer [2022-04-18 16:45:26,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:45:26,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:45:26,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:45:26,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:45:26,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:45:26" (1/3) ... [2022-04-18 16:45:26,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135ea95f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:45:26, skipping insertion in model container [2022-04-18 16:45:26,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (2/3) ... [2022-04-18 16:45:26,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135ea95f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:45:26, skipping insertion in model container [2022-04-18 16:45:26,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:45:26" (3/3) ... [2022-04-18 16:45:26,793 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2022-04-18 16:45:26,796 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:45:26,796 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:45:26,797 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-04-18 16:45:26,797 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:45:26,855 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-04-18 16:45:26,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 16:45:26,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:26,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 16:45:26,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-04-18 16:45:26,914 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-04-18 16:45:26,923 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=PARTIAL_ORDER_FA, 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 16:45:26,924 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-04-18 16:45:27,061 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:27,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:27,064 INFO L85 PathProgramCache]: Analyzing trace with hash -503525343, now seen corresponding path program 1 times [2022-04-18 16:45:27,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:27,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098620058] [2022-04-18 16:45:27,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:27,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:27,295 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 16:45:27,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:27,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098620058] [2022-04-18 16:45:27,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098620058] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:27,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:27,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:45:27,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529608765] [2022-04-18 16:45:27,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:27,302 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:27,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:27,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:27,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:27,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,321 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:27,323 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 16:45:27,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,362 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:45:27,363 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:27,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:27,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1469519559, now seen corresponding path program 1 times [2022-04-18 16:45:27,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:27,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609080840] [2022-04-18 16:45:27,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:27,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:27,431 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 16:45:27,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:27,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609080840] [2022-04-18 16:45:27,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609080840] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:27,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:27,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:45:27,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697174180] [2022-04-18 16:45:27,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:27,433 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:27,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:27,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:27,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:27,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,434 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:27,434 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 16:45:27,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,462 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:45:27,462 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:27,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:27,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1808485931, now seen corresponding path program 1 times [2022-04-18 16:45:27,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:27,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455740430] [2022-04-18 16:45:27,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:27,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:27,529 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 16:45:27,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:27,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455740430] [2022-04-18 16:45:27,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455740430] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:27,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:27,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:45:27,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391534759] [2022-04-18 16:45:27,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:27,533 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:27,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:27,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:27,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,536 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:27,536 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 16:45:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,651 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:45:27,652 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:27,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:27,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1369857185, now seen corresponding path program 2 times [2022-04-18 16:45:27,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:27,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753734018] [2022-04-18 16:45:27,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:27,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:27,691 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 16:45:27,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:27,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753734018] [2022-04-18 16:45:27,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753734018] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:27,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:27,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:45:27,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204616695] [2022-04-18 16:45:27,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:27,695 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:27,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:27,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:27,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:27,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,697 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:27,697 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 16:45:27,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,817 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2022-04-18 16:45:27,818 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2022-04-18 16:45:27,818 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:45:27,823 INFO L719 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-04-18 16:45:27,825 INFO L306 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE (1/2) [2022-04-18 16:45:27,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 16:45:27,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:27,860 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 16:45:27,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-04-18 16:45:27,862 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-04-18 16:45:27,863 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=PARTIAL_ORDER_FA, 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 16:45:27,863 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-04-18 16:45:27,912 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-04-18 16:45:27,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:27,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1078374397, now seen corresponding path program 1 times [2022-04-18 16:45:27,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:27,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864101091] [2022-04-18 16:45:27,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:27,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:27,935 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 16:45:27,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:27,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864101091] [2022-04-18 16:45:27,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864101091] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:27,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:27,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:45:27,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018044845] [2022-04-18 16:45:27,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:27,936 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:27,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:27,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:27,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,938 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:27,938 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 16:45:27,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,952 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:45:27,953 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-04-18 16:45:27,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:27,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1071829677, now seen corresponding path program 1 times [2022-04-18 16:45:27,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:27,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829070891] [2022-04-18 16:45:27,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:27,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:27,988 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 16:45:27,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:27,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829070891] [2022-04-18 16:45:27,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829070891] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:27,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:27,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:45:27,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346437462] [2022-04-18 16:45:27,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:27,990 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:27,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:27,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:27,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,991 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:27,991 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 16:45:27,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:27,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,020 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:45:28,020 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-04-18 16:45:28,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:28,020 INFO L85 PathProgramCache]: Analyzing trace with hash -388878806, now seen corresponding path program 1 times [2022-04-18 16:45:28,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:28,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797749243] [2022-04-18 16:45:28,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:28,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:28,054 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 16:45:28,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:28,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797749243] [2022-04-18 16:45:28,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797749243] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:28,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:28,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:45:28,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789042102] [2022-04-18 16:45:28,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:28,056 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:28,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:28,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:28,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:28,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,057 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:28,057 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 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 16:45:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,083 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:45:28,084 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-04-18 16:45:28,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:28,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1911176764, now seen corresponding path program 1 times [2022-04-18 16:45:28,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:28,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803920659] [2022-04-18 16:45:28,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:28,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:28,204 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 16:45:28,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:28,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803920659] [2022-04-18 16:45:28,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803920659] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:28,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:28,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:45:28,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824817317] [2022-04-18 16:45:28,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:28,205 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:45:28,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:28,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:45:28,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:45:28,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,206 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:28,206 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 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 16:45:28,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:28,309 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 3 remaining) [2022-04-18 16:45:28,310 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (1 of 3 remaining) [2022-04-18 16:45:28,310 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-04-18 16:45:28,310 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:45:28,315 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-04-18 16:45:28,315 INFO L306 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/2) [2022-04-18 16:45:28,316 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:45:28,316 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:45:28,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:45:28 BasicIcfg [2022-04-18 16:45:28,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:45:28,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:45:28,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:45:28,320 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:45:28,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:45:26" (3/4) ... [2022-04-18 16:45:28,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:45:28,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-04-18 16:45:28,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-04-18 16:45:28,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:45:28,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:45:28,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:45:28,359 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2022-04-18 16:45:28,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:45:28,360 INFO L158 Benchmark]: Toolchain (without parser) took 2318.61ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 51.4MB in the beginning and 53.8MB in the end (delta: -2.4MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-04-18 16:45:28,360 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 86.0MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:45:28,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.12ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 51.2MB in the beginning and 75.0MB in the end (delta: -23.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-04-18 16:45:28,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.23ms. Allocated memory is still 109.1MB. Free memory was 75.0MB in the beginning and 73.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:45:28,361 INFO L158 Benchmark]: Boogie Preprocessor took 18.33ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 71.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:45:28,362 INFO L158 Benchmark]: RCFGBuilder took 274.96ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 59.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-04-18 16:45:28,362 INFO L158 Benchmark]: TraceAbstraction took 1529.50ms. Allocated memory is still 109.1MB. Free memory was 58.8MB in the beginning and 56.4MB in the end (delta: 2.3MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-04-18 16:45:28,363 INFO L158 Benchmark]: Witness Printer took 39.69ms. Allocated memory is still 109.1MB. Free memory was 56.4MB in the beginning and 53.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:45:28,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 86.0MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.12ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 51.2MB in the beginning and 75.0MB in the end (delta: -23.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.23ms. Allocated memory is still 109.1MB. Free memory was 75.0MB in the beginning and 73.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.33ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 71.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.96ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 59.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1529.50ms. Allocated memory is still 109.1MB. Free memory was 58.8MB in the beginning and 56.4MB in the end (delta: 2.3MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Witness Printer took 39.69ms. Allocated memory is still 109.1MB. Free memory was 56.4MB in the beginning and 53.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1521, positive: 1421, positive conditional: 469, positive unconditional: 952, negative: 100, negative conditional: 75, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1458, positive: 1421, positive conditional: 469, positive unconditional: 952, negative: 37, negative conditional: 12, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1458, positive: 1421, positive conditional: 469, positive unconditional: 952, negative: 37, negative conditional: 12, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1466, positive: 1421, positive conditional: 290, positive unconditional: 1131, negative: 45, negative conditional: 8, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1466, positive: 1421, positive conditional: 144, positive unconditional: 1277, negative: 45, negative conditional: 5, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1466, positive: 1421, positive conditional: 144, positive unconditional: 1277, negative: 45, negative conditional: 5, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 986, positive: 954, positive conditional: 2, positive unconditional: 952, negative: 32, negative conditional: 5, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 986, positive: 942, positive conditional: 0, positive unconditional: 942, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 12, positive conditional: 2, positive unconditional: 10, negative: 32, negative conditional: 5, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 68, positive conditional: 4, positive unconditional: 65, negative: 78, negative conditional: 10, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1466, positive: 467, positive conditional: 142, positive unconditional: 325, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 986, unknown conditional: 7, unknown unconditional: 979] , Statistics on independence cache: Total cache size (in pairs): 986, Positive cache size: 954, Positive conditional cache size: 2, Positive unconditional cache size: 952, Negative cache size: 32, Negative conditional cache size: 5, Negative unconditional cache size: 27, Eliminated conditions: 149, Maximal queried relation: 2, Independence queries for same thread: 63 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 317, Number of trivial persistent sets: 279, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 977, positive: 952, positive conditional: 0, positive unconditional: 952, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1521, positive: 1421, positive conditional: 469, positive unconditional: 952, negative: 100, negative conditional: 75, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1458, positive: 1421, positive conditional: 469, positive unconditional: 952, negative: 37, negative conditional: 12, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1458, positive: 1421, positive conditional: 469, positive unconditional: 952, negative: 37, negative conditional: 12, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1466, positive: 1421, positive conditional: 290, positive unconditional: 1131, negative: 45, negative conditional: 8, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1466, positive: 1421, positive conditional: 144, positive unconditional: 1277, negative: 45, negative conditional: 5, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1466, positive: 1421, positive conditional: 144, positive unconditional: 1277, negative: 45, negative conditional: 5, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 986, positive: 954, positive conditional: 2, positive unconditional: 952, negative: 32, negative conditional: 5, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 986, positive: 942, positive conditional: 0, positive unconditional: 942, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 12, positive conditional: 2, positive unconditional: 10, negative: 32, negative conditional: 5, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 68, positive conditional: 4, positive unconditional: 65, negative: 78, negative conditional: 10, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1466, positive: 467, positive conditional: 142, positive unconditional: 325, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 986, unknown conditional: 7, unknown unconditional: 979] , Statistics on independence cache: Total cache size (in pairs): 986, Positive cache size: 954, Positive conditional cache size: 2, Positive unconditional cache size: 952, Negative cache size: 32, Negative conditional cache size: 5, Negative unconditional cache size: 27, Eliminated conditions: 149, Maximal queried relation: 2, Independence queries for same thread: 63 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1635, positive: 1547, positive conditional: 501, positive unconditional: 1046, negative: 88, negative conditional: 63, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1579, positive: 1547, positive conditional: 501, positive unconditional: 1046, negative: 32, negative conditional: 7, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1579, positive: 1547, positive conditional: 501, positive unconditional: 1046, negative: 32, negative conditional: 7, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1589, positive: 1547, positive conditional: 392, positive unconditional: 1155, negative: 42, negative conditional: 10, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1589, positive: 1547, positive conditional: 246, positive unconditional: 1301, negative: 42, negative conditional: 6, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1589, positive: 1547, positive conditional: 246, positive unconditional: 1301, negative: 42, negative conditional: 6, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1076, positive: 1046, positive conditional: 0, positive unconditional: 1046, negative: 30, negative conditional: 5, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1076, positive: 1035, positive conditional: 0, positive unconditional: 1035, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 30, negative conditional: 5, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 63, negative conditional: 10, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1589, positive: 501, positive conditional: 246, positive unconditional: 255, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 1076, unknown conditional: 5, unknown unconditional: 1071] , Statistics on independence cache: Total cache size (in pairs): 1076, Positive cache size: 1046, Positive conditional cache size: 0, Positive unconditional cache size: 1046, Negative cache size: 30, Negative conditional cache size: 5, Negative unconditional cache size: 25, Eliminated conditions: 150, Maximal queried relation: 2, Independence queries for same thread: 56 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 384, Number of trivial persistent sets: 384, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1071, positive: 1046, positive conditional: 0, positive unconditional: 1046, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1635, positive: 1547, positive conditional: 501, positive unconditional: 1046, negative: 88, negative conditional: 63, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1579, positive: 1547, positive conditional: 501, positive unconditional: 1046, negative: 32, negative conditional: 7, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1579, positive: 1547, positive conditional: 501, positive unconditional: 1046, negative: 32, negative conditional: 7, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1589, positive: 1547, positive conditional: 392, positive unconditional: 1155, negative: 42, negative conditional: 10, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1589, positive: 1547, positive conditional: 246, positive unconditional: 1301, negative: 42, negative conditional: 6, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1589, positive: 1547, positive conditional: 246, positive unconditional: 1301, negative: 42, negative conditional: 6, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1076, positive: 1046, positive conditional: 0, positive unconditional: 1046, negative: 30, negative conditional: 5, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1076, positive: 1035, positive conditional: 0, positive unconditional: 1035, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 30, negative conditional: 5, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 98, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 63, negative conditional: 10, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1589, positive: 501, positive conditional: 246, positive unconditional: 255, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 1076, unknown conditional: 5, unknown unconditional: 1071] , Statistics on independence cache: Total cache size (in pairs): 1076, Positive cache size: 1046, Positive conditional cache size: 0, Positive unconditional cache size: 1046, Negative cache size: 30, Negative conditional cache size: 5, Negative unconditional cache size: 25, Eliminated conditions: 150, Maximal queried relation: 2, Independence queries for same thread: 56 - 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: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 115 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.2s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 217 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 115 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:45:28,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-04-18 16:45:28,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-04-18 16:45:28,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE