./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 02:37:22,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:37:22,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:37:22,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:37:22,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:37:22,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:37:22,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:37:22,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:37:22,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:37:22,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:37:22,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:37:22,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:37:22,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:37:22,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:37:22,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:37:22,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:37:22,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:37:22,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:37:22,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:37:22,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:37:22,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:37:22,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:37:22,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:37:22,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:37:22,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:37:22,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:37:22,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:37:22,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:37:22,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:37:22,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:37:22,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:37:22,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:37:22,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:37:22,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:37:22,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:37:22,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:37:22,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:37:22,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:37:22,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:37:22,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:37:22,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:37:22,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:37:22,339 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:37:22,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:37:22,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:37:22,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:37:22,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:37:22,342 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:37:22,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:37:22,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:37:22,342 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:37:22,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:37:22,343 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:37:22,343 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:37:22,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:37:22,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:37:22,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:37:22,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:37:22,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:37:22,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:37:22,344 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:37:22,344 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:37:22,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:37:22,345 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:37:22,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:37:22,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:37:22,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:37:22,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:37:22,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:37:22,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:37:22,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:37:22,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:37:22,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:37:22,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:37:22,346 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:37:22,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:37:22,347 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:37:22,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:37:22,347 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:37:22,347 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:37:22,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:37:22,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:37:22,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:37:22,645 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:37:22,645 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:37:22,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2023-08-29 02:37:23,668 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:37:23,937 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:37:23,937 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2023-08-29 02:37:23,948 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b68b9964/688302edc7c44eb2952d7726ba989c05/FLAGddf583db0 [2023-08-29 02:37:23,963 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b68b9964/688302edc7c44eb2952d7726ba989c05 [2023-08-29 02:37:23,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:37:23,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:37:23,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:37:23,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:37:23,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:37:23,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:37:23" (1/1) ... [2023-08-29 02:37:23,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d47c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:23, skipping insertion in model container [2023-08-29 02:37:23,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:37:23" (1/1) ... [2023-08-29 02:37:23,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:37:24,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:37:24,109 WARN L247 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_18-first-reads_true.i[1088,1101] [2023-08-29 02:37:24,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:37:24,240 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:37:24,252 WARN L247 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_18-first-reads_true.i[1088,1101] [2023-08-29 02:37:24,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:37:24,306 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:37:24,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:24 WrapperNode [2023-08-29 02:37:24,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:37:24,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:37:24,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:37:24,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:37:24,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:24" (1/1) ... [2023-08-29 02:37:24,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:24" (1/1) ... [2023-08-29 02:37:24,351 INFO L138 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-08-29 02:37:24,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:37:24,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:37:24,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:37:24,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:37:24,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:24" (1/1) ... [2023-08-29 02:37:24,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:24" (1/1) ... [2023-08-29 02:37:24,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:24" (1/1) ... [2023-08-29 02:37:24,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:24" (1/1) ... [2023-08-29 02:37:24,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:24" (1/1) ... [2023-08-29 02:37:24,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:24" (1/1) ... [2023-08-29 02:37:24,393 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:24" (1/1) ... [2023-08-29 02:37:24,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:24" (1/1) ... [2023-08-29 02:37:24,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:37:24,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:37:24,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:37:24,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:37:24,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:24" (1/1) ... [2023-08-29 02:37:24,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:37:24,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:37:24,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 02:37:24,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 02:37:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 02:37:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:37:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 02:37:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 02:37:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:37:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 02:37:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 02:37:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:37:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 02:37:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:37:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:37:24,468 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 02:37:24,598 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:37:24,600 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:37:24,734 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:37:24,739 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:37:24,739 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 02:37:24,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:37:24 BoogieIcfgContainer [2023-08-29 02:37:24,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:37:24,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:37:24,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:37:24,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:37:24,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:37:23" (1/3) ... [2023-08-29 02:37:24,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b5a6a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:37:24, skipping insertion in model container [2023-08-29 02:37:24,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:24" (2/3) ... [2023-08-29 02:37:24,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b5a6a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:37:24, skipping insertion in model container [2023-08-29 02:37:24,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:37:24" (3/3) ... [2023-08-29 02:37:24,747 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_true.i [2023-08-29 02:37:24,752 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:37:24,759 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:37:24,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-29 02:37:24,759 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:37:24,822 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 02:37:24,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 90 transitions, 188 flow [2023-08-29 02:37:24,921 INFO L130 PetriNetUnfolder]: 3/89 cut-off events. [2023-08-29 02:37:24,922 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 02:37:24,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 89 events. 3/89 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 93 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2023-08-29 02:37:24,927 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 90 transitions, 188 flow [2023-08-29 02:37:24,932 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 82 transitions, 167 flow [2023-08-29 02:37:24,936 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:37:24,954 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 82 transitions, 167 flow [2023-08-29 02:37:24,960 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 82 transitions, 167 flow [2023-08-29 02:37:24,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 82 transitions, 167 flow [2023-08-29 02:37:24,976 INFO L130 PetriNetUnfolder]: 3/82 cut-off events. [2023-08-29 02:37:24,977 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:37:24,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 3/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 93 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2023-08-29 02:37:24,979 INFO L119 LiptonReduction]: Number of co-enabled transitions 1232 [2023-08-29 02:37:26,868 INFO L134 LiptonReduction]: Checked pairs total: 3842 [2023-08-29 02:37:26,869 INFO L136 LiptonReduction]: Total number of compositions: 73 [2023-08-29 02:37:26,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:37:26,887 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@688f8558, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:37:26,887 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-08-29 02:37:26,888 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 02:37:26,888 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:37:26,889 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:37:26,893 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 02:37:26,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:37:26,900 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:37:26,900 INFO L85 PathProgramCache]: Analyzing trace with hash 326, now seen corresponding path program 1 times [2023-08-29 02:37:26,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:37:26,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207060341] [2023-08-29 02:37:26,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:37:26,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:37:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:37:26,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:37:26,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:37:26,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207060341] [2023-08-29 02:37:26,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207060341] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:37:26,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:37:26,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 02:37:26,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292560656] [2023-08-29 02:37:26,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:37:26,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 02:37:26,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:37:26,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 02:37:27,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 02:37:27,001 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 163 [2023-08-29 02:37:27,003 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 28 transitions, 59 flow. Second operand has 2 states, 2 states have (on average 84.5) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,003 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:37:27,003 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 163 [2023-08-29 02:37:27,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:37:27,061 INFO L130 PetriNetUnfolder]: 34/128 cut-off events. [2023-08-29 02:37:27,061 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:37:27,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 128 events. 34/128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 564 event pairs, 32 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 202. Up to 79 conditions per place. [2023-08-29 02:37:27,064 INFO L137 encePairwiseOnDemand]: 161/163 looper letters, 14 selfloop transitions, 0 changer transitions 0/25 dead transitions. [2023-08-29 02:37:27,064 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 25 transitions, 81 flow [2023-08-29 02:37:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 02:37:27,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 02:37:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 184 transitions. [2023-08-29 02:37:27,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5644171779141104 [2023-08-29 02:37:27,076 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 184 transitions. [2023-08-29 02:37:27,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 184 transitions. [2023-08-29 02:37:27,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:37:27,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 184 transitions. [2023-08-29 02:37:27,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 92.0) internal successors, (184), 2 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,087 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,088 INFO L175 Difference]: Start difference. First operand has 30 places, 28 transitions, 59 flow. Second operand 2 states and 184 transitions. [2023-08-29 02:37:27,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 25 transitions, 81 flow [2023-08-29 02:37:27,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 25 transitions, 80 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:37:27,091 INFO L231 Difference]: Finished difference. Result has 28 places, 25 transitions, 52 flow [2023-08-29 02:37:27,092 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=52, PETRI_PLACES=28, PETRI_TRANSITIONS=25} [2023-08-29 02:37:27,094 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -2 predicate places. [2023-08-29 02:37:27,094 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 25 transitions, 52 flow [2023-08-29 02:37:27,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 84.5) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,095 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:37:27,095 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 02:37:27,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 02:37:27,095 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:37:27,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:37:27,096 INFO L85 PathProgramCache]: Analyzing trace with hash 309840370, now seen corresponding path program 1 times [2023-08-29 02:37:27,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:37:27,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663046134] [2023-08-29 02:37:27,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:37:27,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:37:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:37:27,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:37:27,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:37:27,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663046134] [2023-08-29 02:37:27,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663046134] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:37:27,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:37:27,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:37:27,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618282430] [2023-08-29 02:37:27,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:37:27,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:37:27,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:37:27,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:37:27,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:37:27,197 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 163 [2023-08-29 02:37:27,197 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 25 transitions, 52 flow. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,197 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:37:27,197 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 163 [2023-08-29 02:37:27,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:37:27,246 INFO L130 PetriNetUnfolder]: 62/187 cut-off events. [2023-08-29 02:37:27,249 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:37:27,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 187 events. 62/187 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 876 event pairs, 27 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 334. Up to 102 conditions per place. [2023-08-29 02:37:27,250 INFO L137 encePairwiseOnDemand]: 155/163 looper letters, 20 selfloop transitions, 6 changer transitions 0/32 dead transitions. [2023-08-29 02:37:27,251 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 32 transitions, 118 flow [2023-08-29 02:37:27,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:37:27,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:37:27,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2023-08-29 02:37:27,254 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5051124744376279 [2023-08-29 02:37:27,255 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 247 transitions. [2023-08-29 02:37:27,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 247 transitions. [2023-08-29 02:37:27,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:37:27,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 247 transitions. [2023-08-29 02:37:27,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,260 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,260 INFO L175 Difference]: Start difference. First operand has 28 places, 25 transitions, 52 flow. Second operand 3 states and 247 transitions. [2023-08-29 02:37:27,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 32 transitions, 118 flow [2023-08-29 02:37:27,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 32 transitions, 118 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 02:37:27,261 INFO L231 Difference]: Finished difference. Result has 31 places, 27 transitions, 88 flow [2023-08-29 02:37:27,262 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=31, PETRI_TRANSITIONS=27} [2023-08-29 02:37:27,262 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 1 predicate places. [2023-08-29 02:37:27,262 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 27 transitions, 88 flow [2023-08-29 02:37:27,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,263 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:37:27,263 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 02:37:27,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 02:37:27,263 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:37:27,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:37:27,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1015077749, now seen corresponding path program 1 times [2023-08-29 02:37:27,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:37:27,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271067138] [2023-08-29 02:37:27,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:37:27,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:37:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:37:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:37:27,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:37:27,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271067138] [2023-08-29 02:37:27,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271067138] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:37:27,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:37:27,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:37:27,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346196919] [2023-08-29 02:37:27,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:37:27,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:37:27,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:37:27,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:37:27,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:37:27,319 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 163 [2023-08-29 02:37:27,319 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 27 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,319 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:37:27,319 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 163 [2023-08-29 02:37:27,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:37:27,348 INFO L130 PetriNetUnfolder]: 57/184 cut-off events. [2023-08-29 02:37:27,349 INFO L131 PetriNetUnfolder]: For 60/62 co-relation queries the response was YES. [2023-08-29 02:37:27,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 184 events. 57/184 cut-off events. For 60/62 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 890 event pairs, 34 based on Foata normal form. 2/157 useless extension candidates. Maximal degree in co-relation 392. Up to 120 conditions per place. [2023-08-29 02:37:27,350 INFO L137 encePairwiseOnDemand]: 159/163 looper letters, 21 selfloop transitions, 3 changer transitions 0/32 dead transitions. [2023-08-29 02:37:27,350 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 32 transitions, 150 flow [2023-08-29 02:37:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:37:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:37:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2023-08-29 02:37:27,352 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5071574642126789 [2023-08-29 02:37:27,352 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions. [2023-08-29 02:37:27,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions. [2023-08-29 02:37:27,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:37:27,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions. [2023-08-29 02:37:27,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,354 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,354 INFO L175 Difference]: Start difference. First operand has 31 places, 27 transitions, 88 flow. Second operand 3 states and 248 transitions. [2023-08-29 02:37:27,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 32 transitions, 150 flow [2023-08-29 02:37:27,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 32 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 02:37:27,356 INFO L231 Difference]: Finished difference. Result has 32 places, 29 transitions, 97 flow [2023-08-29 02:37:27,356 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=32, PETRI_TRANSITIONS=29} [2023-08-29 02:37:27,357 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2023-08-29 02:37:27,358 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 29 transitions, 97 flow [2023-08-29 02:37:27,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:37:27,358 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:37:27,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 02:37:27,358 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:37:27,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:37:27,359 INFO L85 PathProgramCache]: Analyzing trace with hash 570699357, now seen corresponding path program 1 times [2023-08-29 02:37:27,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:37:27,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455405452] [2023-08-29 02:37:27,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:37:27,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:37:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:37:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:37:27,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:37:27,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455405452] [2023-08-29 02:37:27,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455405452] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:37:27,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:37:27,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:37:27,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985692418] [2023-08-29 02:37:27,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:37:27,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:37:27,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:37:27,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:37:27,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:37:27,420 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 163 [2023-08-29 02:37:27,420 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 29 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,421 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:37:27,421 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 163 [2023-08-29 02:37:27,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:37:27,453 INFO L130 PetriNetUnfolder]: 67/209 cut-off events. [2023-08-29 02:37:27,453 INFO L131 PetriNetUnfolder]: For 57/61 co-relation queries the response was YES. [2023-08-29 02:37:27,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 209 events. 67/209 cut-off events. For 57/61 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1006 event pairs, 35 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 449. Up to 127 conditions per place. [2023-08-29 02:37:27,454 INFO L137 encePairwiseOnDemand]: 158/163 looper letters, 24 selfloop transitions, 4 changer transitions 0/35 dead transitions. [2023-08-29 02:37:27,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 35 transitions, 169 flow [2023-08-29 02:37:27,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:37:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:37:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 250 transitions. [2023-08-29 02:37:27,455 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5112474437627812 [2023-08-29 02:37:27,455 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 250 transitions. [2023-08-29 02:37:27,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 250 transitions. [2023-08-29 02:37:27,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:37:27,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 250 transitions. [2023-08-29 02:37:27,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,458 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,458 INFO L175 Difference]: Start difference. First operand has 32 places, 29 transitions, 97 flow. Second operand 3 states and 250 transitions. [2023-08-29 02:37:27,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 35 transitions, 169 flow [2023-08-29 02:37:27,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 35 transitions, 166 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:37:27,459 INFO L231 Difference]: Finished difference. Result has 35 places, 32 transitions, 128 flow [2023-08-29 02:37:27,459 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=35, PETRI_TRANSITIONS=32} [2023-08-29 02:37:27,460 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 5 predicate places. [2023-08-29 02:37:27,460 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 32 transitions, 128 flow [2023-08-29 02:37:27,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:37:27,460 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:37:27,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 02:37:27,460 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:37:27,461 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:37:27,461 INFO L85 PathProgramCache]: Analyzing trace with hash 556450920, now seen corresponding path program 1 times [2023-08-29 02:37:27,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:37:27,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385857357] [2023-08-29 02:37:27,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:37:27,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:37:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:37:27,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:37:27,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:37:27,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385857357] [2023-08-29 02:37:27,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385857357] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:37:27,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:37:27,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 02:37:27,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863601348] [2023-08-29 02:37:27,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:37:27,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:37:27,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:37:27,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:37:27,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:37:27,583 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 163 [2023-08-29 02:37:27,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 32 transitions, 128 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:37:27,583 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 163 [2023-08-29 02:37:27,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:37:27,610 INFO L130 PetriNetUnfolder]: 2/40 cut-off events. [2023-08-29 02:37:27,611 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2023-08-29 02:37:27,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 40 events. 2/40 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 69 event pairs, 0 based on Foata normal form. 10/46 useless extension candidates. Maximal degree in co-relation 95. Up to 20 conditions per place. [2023-08-29 02:37:27,611 INFO L137 encePairwiseOnDemand]: 158/163 looper letters, 10 selfloop transitions, 5 changer transitions 0/22 dead transitions. [2023-08-29 02:37:27,611 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 22 transitions, 108 flow [2023-08-29 02:37:27,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:37:27,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:37:27,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2023-08-29 02:37:27,612 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5194274028629857 [2023-08-29 02:37:27,612 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 254 transitions. [2023-08-29 02:37:27,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 254 transitions. [2023-08-29 02:37:27,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:37:27,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 254 transitions. [2023-08-29 02:37:27,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,614 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,614 INFO L175 Difference]: Start difference. First operand has 35 places, 32 transitions, 128 flow. Second operand 3 states and 254 transitions. [2023-08-29 02:37:27,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 22 transitions, 108 flow [2023-08-29 02:37:27,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 22 transitions, 88 flow, removed 4 selfloop flow, removed 6 redundant places. [2023-08-29 02:37:27,615 INFO L231 Difference]: Finished difference. Result has 28 places, 22 transitions, 68 flow [2023-08-29 02:37:27,615 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=28, PETRI_TRANSITIONS=22} [2023-08-29 02:37:27,616 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -2 predicate places. [2023-08-29 02:37:27,616 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 22 transitions, 68 flow [2023-08-29 02:37:27,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,616 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:37:27,616 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:37:27,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 02:37:27,616 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:37:27,617 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:37:27,617 INFO L85 PathProgramCache]: Analyzing trace with hash 204598645, now seen corresponding path program 1 times [2023-08-29 02:37:27,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:37:27,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251399379] [2023-08-29 02:37:27,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:37:27,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:37:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:37:27,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:37:27,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:37:27,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251399379] [2023-08-29 02:37:27,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251399379] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:37:27,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:37:27,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:37:27,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435988647] [2023-08-29 02:37:27,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:37:27,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:37:27,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:37:27,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:37:27,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:37:27,750 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 163 [2023-08-29 02:37:27,750 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:37:27,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 163 [2023-08-29 02:37:27,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:37:27,786 INFO L130 PetriNetUnfolder]: 11/58 cut-off events. [2023-08-29 02:37:27,787 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 02:37:27,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 58 events. 11/58 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 129 event pairs, 8 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 129. Up to 28 conditions per place. [2023-08-29 02:37:27,787 INFO L137 encePairwiseOnDemand]: 161/163 looper letters, 0 selfloop transitions, 0 changer transitions 29/29 dead transitions. [2023-08-29 02:37:27,787 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 29 transitions, 138 flow [2023-08-29 02:37:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:37:27,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:37:27,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 261 transitions. [2023-08-29 02:37:27,789 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5337423312883436 [2023-08-29 02:37:27,789 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 261 transitions. [2023-08-29 02:37:27,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 261 transitions. [2023-08-29 02:37:27,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:37:27,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 261 transitions. [2023-08-29 02:37:27,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,791 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,791 INFO L175 Difference]: Start difference. First operand has 28 places, 22 transitions, 68 flow. Second operand 3 states and 261 transitions. [2023-08-29 02:37:27,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 29 transitions, 138 flow [2023-08-29 02:37:27,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 29 transitions, 130 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:37:27,792 INFO L231 Difference]: Finished difference. Result has 28 places, 0 transitions, 0 flow [2023-08-29 02:37:27,793 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=28, PETRI_TRANSITIONS=0} [2023-08-29 02:37:27,794 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -2 predicate places. [2023-08-29 02:37:27,795 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 0 transitions, 0 flow [2023-08-29 02:37:27,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:27,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-08-29 02:37:27,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-08-29 02:37:27,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-08-29 02:37:27,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2023-08-29 02:37:27,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-08-29 02:37:27,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2023-08-29 02:37:27,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-08-29 02:37:27,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-08-29 02:37:27,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-08-29 02:37:27,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-08-29 02:37:27,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 02:37:27,803 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-29 02:37:27,806 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:37:27,807 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:37:27,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:37:27 BasicIcfg [2023-08-29 02:37:27,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:37:27,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:37:27,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:37:27,809 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:37:27,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:37:24" (3/4) ... [2023-08-29 02:37:27,811 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 02:37:27,815 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 02:37:27,817 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-08-29 02:37:27,817 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 02:37:27,817 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 02:37:27,818 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 02:37:27,847 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 02:37:27,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:37:27,848 INFO L158 Benchmark]: Toolchain (without parser) took 3882.12ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 71.5MB in the beginning and 97.4MB in the end (delta: -25.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-08-29 02:37:27,848 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:37:27,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.24ms. Allocated memory is still 96.5MB. Free memory was 71.3MB in the beginning and 52.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-29 02:37:27,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.60ms. Allocated memory is still 96.5MB. Free memory was 52.4MB in the beginning and 50.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:37:27,849 INFO L158 Benchmark]: Boogie Preprocessor took 59.29ms. Allocated memory is still 96.5MB. Free memory was 50.3MB in the beginning and 74.8MB in the end (delta: -24.6MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-08-29 02:37:27,849 INFO L158 Benchmark]: RCFGBuilder took 328.87ms. Allocated memory is still 96.5MB. Free memory was 74.8MB in the beginning and 60.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 02:37:27,849 INFO L158 Benchmark]: TraceAbstraction took 3066.61ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 60.2MB in the beginning and 100.5MB in the end (delta: -40.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2023-08-29 02:37:27,849 INFO L158 Benchmark]: Witness Printer took 37.99ms. Allocated memory is still 130.0MB. Free memory was 100.5MB in the beginning and 97.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:37:27,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.24ms. Allocated memory is still 96.5MB. Free memory was 71.3MB in the beginning and 52.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.60ms. Allocated memory is still 96.5MB. Free memory was 52.4MB in the beginning and 50.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.29ms. Allocated memory is still 96.5MB. Free memory was 50.3MB in the beginning and 74.8MB in the end (delta: -24.6MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * RCFGBuilder took 328.87ms. Allocated memory is still 96.5MB. Free memory was 74.8MB in the beginning and 60.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3066.61ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 60.2MB in the beginning and 100.5MB in the end (delta: -40.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Witness Printer took 37.99ms. Allocated memory is still 130.0MB. Free memory was 100.5MB in the beginning and 97.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 83 PlacesBefore, 30 PlacesAfterwards, 82 TransitionsBefore, 28 TransitionsAfterwards, 1232 CoEnabledTransitionPairs, 7 FixpointIterations, 33 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 73 TotalNumberOfCompositions, 3842 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1879, independent: 1638, independent conditional: 0, independent unconditional: 1638, dependent: 241, dependent conditional: 0, dependent unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 705, independent: 660, independent conditional: 0, independent unconditional: 660, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1879, independent: 978, independent conditional: 0, independent unconditional: 978, dependent: 196, dependent conditional: 0, dependent unconditional: 196, unknown: 705, unknown conditional: 0, unknown unconditional: 705] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: 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: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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 3 procedures, 117 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 253 IncrementalHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 22 mSDtfsCounter, 253 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=4, InterpolantAutomatonStates: 17, 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, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 02:37:27,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE