./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_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_31-traces-mine-vs-mutex_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 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 --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 02:38:34,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:38:34,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:38:34,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:38:34,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:38:34,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:38:34,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:38:34,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:38:34,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:38:34,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:38:34,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:38:34,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:38:34,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:38:34,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:38:34,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:38:34,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:38:34,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:38:34,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:38:34,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:38:34,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:38:34,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:38:34,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:38:34,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:38:34,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:38:34,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:38:34,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:38:34,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:38:34,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:38:34,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:38:34,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:38:34,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:38:34,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:38:34,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:38:34,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:38:34,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:38:34,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:38:34,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:38:34,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:38:34,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:38:34,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:38:34,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:38:34,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:38:34,580 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:38:34,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:38:34,581 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:38:34,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:38:34,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:38:34,582 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:38:34,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:38:34,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:38:34,583 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:38:34,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:38:34,584 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:38:34,584 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:38:34,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:38:34,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:38:34,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:38:34,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:38:34,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:38:34,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:38:34,585 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:38:34,585 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:38:34,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:38:34,585 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:38:34,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:38:34,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:38:34,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:38:34,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:38:34,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:38:34,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:38:34,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:38:34,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:38:34,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:38:34,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:38:34,587 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:38:34,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:38:34,587 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:38:34,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:38:34,588 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:38:34,588 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:38:34,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:38:34,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:38:34,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:38:34,844 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:38:34,844 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:38:34,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2023-08-29 02:38:35,840 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:38:36,078 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:38:36,079 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2023-08-29 02:38:36,090 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25bd27ae9/006025df2f3a4dd895c182f161506166/FLAGd334ed863 [2023-08-29 02:38:36,099 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25bd27ae9/006025df2f3a4dd895c182f161506166 [2023-08-29 02:38:36,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:38:36,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:38:36,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:38:36,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:38:36,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:38:36,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:38:36" (1/1) ... [2023-08-29 02:38:36,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2745c2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36, skipping insertion in model container [2023-08-29 02:38:36,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:38:36" (1/1) ... [2023-08-29 02:38:36,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:38:36,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:38:36,214 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_31-traces-mine-vs-mutex_true.i[1097,1110] [2023-08-29 02:38:36,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:38:36,322 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:38:36,341 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_31-traces-mine-vs-mutex_true.i[1097,1110] [2023-08-29 02:38:36,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:38:36,418 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:38:36,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36 WrapperNode [2023-08-29 02:38:36,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:38:36,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:38:36,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:38:36,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:38:36,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36" (1/1) ... [2023-08-29 02:38:36,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36" (1/1) ... [2023-08-29 02:38:36,444 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-08-29 02:38:36,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:38:36,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:38:36,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:38:36,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:38:36,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36" (1/1) ... [2023-08-29 02:38:36,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36" (1/1) ... [2023-08-29 02:38:36,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36" (1/1) ... [2023-08-29 02:38:36,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36" (1/1) ... [2023-08-29 02:38:36,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36" (1/1) ... [2023-08-29 02:38:36,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36" (1/1) ... [2023-08-29 02:38:36,457 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36" (1/1) ... [2023-08-29 02:38:36,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36" (1/1) ... [2023-08-29 02:38:36,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:38:36,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:38:36,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:38:36,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:38:36,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36" (1/1) ... [2023-08-29 02:38:36,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:38:36,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:38:36,480 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 02:38:36,486 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 02:38:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 02:38:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:38:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 02:38:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 02:38:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:38:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 02:38:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 02:38:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:38:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 02:38:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:38:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:38:36,512 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 02:38:36,655 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:38:36,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:38:36,803 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:38:36,808 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:38:36,808 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 02:38:36,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:38:36 BoogieIcfgContainer [2023-08-29 02:38:36,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:38:36,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:38:36,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:38:36,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:38:36,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:38:36" (1/3) ... [2023-08-29 02:38:36,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7060d71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:38:36, skipping insertion in model container [2023-08-29 02:38:36,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:36" (2/3) ... [2023-08-29 02:38:36,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7060d71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:38:36, skipping insertion in model container [2023-08-29 02:38:36,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:38:36" (3/3) ... [2023-08-29 02:38:36,815 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_31-traces-mine-vs-mutex_true.i [2023-08-29 02:38:36,821 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:38:36,827 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:38:36,827 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-29 02:38:36,827 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:38:36,869 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 02:38:36,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 99 transitions, 206 flow [2023-08-29 02:38:36,942 INFO L130 PetriNetUnfolder]: 1/98 cut-off events. [2023-08-29 02:38:36,943 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 02:38:36,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 98 events. 1/98 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2023-08-29 02:38:36,947 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 99 transitions, 206 flow [2023-08-29 02:38:36,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 91 transitions, 185 flow [2023-08-29 02:38:36,954 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:38:36,967 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 91 transitions, 185 flow [2023-08-29 02:38:36,971 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 91 transitions, 185 flow [2023-08-29 02:38:36,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 91 transitions, 185 flow [2023-08-29 02:38:36,989 INFO L130 PetriNetUnfolder]: 1/91 cut-off events. [2023-08-29 02:38:36,991 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:38:36,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 91 events. 1/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2023-08-29 02:38:36,992 INFO L119 LiptonReduction]: Number of co-enabled transitions 1904 [2023-08-29 02:38:39,002 INFO L134 LiptonReduction]: Checked pairs total: 6926 [2023-08-29 02:38:39,002 INFO L136 LiptonReduction]: Total number of compositions: 63 [2023-08-29 02:38:39,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:38:39,025 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;@1414cfba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:38:39,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-08-29 02:38:39,028 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2023-08-29 02:38:39,028 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:38:39,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:39,029 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 02:38:39,029 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:38:39,032 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:39,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1170975012, now seen corresponding path program 1 times [2023-08-29 02:38:39,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:39,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71985985] [2023-08-29 02:38:39,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:39,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:39,199 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 02:38:39,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:39,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71985985] [2023-08-29 02:38:39,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71985985] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:39,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:39,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:39,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694159893] [2023-08-29 02:38:39,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:39,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:39,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:39,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:39,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:39,246 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 162 [2023-08-29 02:38:39,249 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 33 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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 02:38:39,249 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:39,250 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 162 [2023-08-29 02:38:39,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:39,337 INFO L130 PetriNetUnfolder]: 136/351 cut-off events. [2023-08-29 02:38:39,337 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:38:39,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 351 events. 136/351 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1468 event pairs, 50 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 658. Up to 191 conditions per place. [2023-08-29 02:38:39,340 INFO L137 encePairwiseOnDemand]: 152/162 looper letters, 33 selfloop transitions, 6 changer transitions 2/46 dead transitions. [2023-08-29 02:38:39,341 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 46 transitions, 177 flow [2023-08-29 02:38:39,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:39,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:39,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 298 transitions. [2023-08-29 02:38:39,350 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6131687242798354 [2023-08-29 02:38:39,350 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 298 transitions. [2023-08-29 02:38:39,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 298 transitions. [2023-08-29 02:38:39,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:39,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 298 transitions. [2023-08-29 02:38:39,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 02:38:39,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 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 02:38:39,359 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 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 02:38:39,360 INFO L175 Difference]: Start difference. First operand has 37 places, 33 transitions, 69 flow. Second operand 3 states and 298 transitions. [2023-08-29 02:38:39,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 46 transitions, 177 flow [2023-08-29 02:38:39,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 46 transitions, 176 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:38:39,363 INFO L231 Difference]: Finished difference. Result has 37 places, 34 transitions, 104 flow [2023-08-29 02:38:39,364 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=37, PETRI_TRANSITIONS=34} [2023-08-29 02:38:39,366 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 0 predicate places. [2023-08-29 02:38:39,366 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 34 transitions, 104 flow [2023-08-29 02:38:39,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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 02:38:39,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:39,367 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:39,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 02:38:39,367 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:38:39,368 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:39,368 INFO L85 PathProgramCache]: Analyzing trace with hash 793431699, now seen corresponding path program 1 times [2023-08-29 02:38:39,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:39,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579081740] [2023-08-29 02:38:39,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:39,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:39,423 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 02:38:39,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:39,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579081740] [2023-08-29 02:38:39,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579081740] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:39,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:39,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:39,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143168539] [2023-08-29 02:38:39,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:39,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:39,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:39,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:39,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:39,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 162 [2023-08-29 02:38:39,447 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 34 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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 02:38:39,447 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:39,447 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 162 [2023-08-29 02:38:39,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:39,515 INFO L130 PetriNetUnfolder]: 126/334 cut-off events. [2023-08-29 02:38:39,516 INFO L131 PetriNetUnfolder]: For 79/79 co-relation queries the response was YES. [2023-08-29 02:38:39,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 334 events. 126/334 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1393 event pairs, 95 based on Foata normal form. 0/326 useless extension candidates. Maximal degree in co-relation 734. Up to 271 conditions per place. [2023-08-29 02:38:39,520 INFO L137 encePairwiseOnDemand]: 158/162 looper letters, 32 selfloop transitions, 3 changer transitions 0/42 dead transitions. [2023-08-29 02:38:39,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 42 transitions, 194 flow [2023-08-29 02:38:39,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:39,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions. [2023-08-29 02:38:39,524 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5987654320987654 [2023-08-29 02:38:39,525 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 291 transitions. [2023-08-29 02:38:39,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 291 transitions. [2023-08-29 02:38:39,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:39,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 291 transitions. [2023-08-29 02:38:39,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 02:38:39,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 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 02:38:39,530 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 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 02:38:39,530 INFO L175 Difference]: Start difference. First operand has 37 places, 34 transitions, 104 flow. Second operand 3 states and 291 transitions. [2023-08-29 02:38:39,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 42 transitions, 194 flow [2023-08-29 02:38:39,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 42 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 02:38:39,533 INFO L231 Difference]: Finished difference. Result has 38 places, 36 transitions, 113 flow [2023-08-29 02:38:39,533 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=113, PETRI_PLACES=38, PETRI_TRANSITIONS=36} [2023-08-29 02:38:39,534 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2023-08-29 02:38:39,534 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 36 transitions, 113 flow [2023-08-29 02:38:39,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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 02:38:39,534 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:39,534 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:39,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 02:38:39,535 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:38:39,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:39,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1536037555, now seen corresponding path program 1 times [2023-08-29 02:38:39,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:39,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191787562] [2023-08-29 02:38:39,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:39,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:39,679 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 02:38:39,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:39,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191787562] [2023-08-29 02:38:39,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191787562] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:39,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:39,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 02:38:39,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455572865] [2023-08-29 02:38:39,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:39,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:39,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:39,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:39,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:39,703 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 162 [2023-08-29 02:38:39,704 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 36 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:38:39,704 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:39,704 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 162 [2023-08-29 02:38:39,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:39,744 INFO L130 PetriNetUnfolder]: 41/178 cut-off events. [2023-08-29 02:38:39,745 INFO L131 PetriNetUnfolder]: For 24/25 co-relation queries the response was YES. [2023-08-29 02:38:39,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 178 events. 41/178 cut-off events. For 24/25 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 642 event pairs, 15 based on Foata normal form. 25/203 useless extension candidates. Maximal degree in co-relation 376. Up to 74 conditions per place. [2023-08-29 02:38:39,745 INFO L137 encePairwiseOnDemand]: 152/162 looper letters, 20 selfloop transitions, 8 changer transitions 10/46 dead transitions. [2023-08-29 02:38:39,745 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 46 transitions, 201 flow [2023-08-29 02:38:39,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:39,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:39,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2023-08-29 02:38:39,747 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6049382716049383 [2023-08-29 02:38:39,747 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 294 transitions. [2023-08-29 02:38:39,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 294 transitions. [2023-08-29 02:38:39,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:39,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 294 transitions. [2023-08-29 02:38:39,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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 02:38:39,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 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 02:38:39,749 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 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 02:38:39,749 INFO L175 Difference]: Start difference. First operand has 38 places, 36 transitions, 113 flow. Second operand 3 states and 294 transitions. [2023-08-29 02:38:39,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 46 transitions, 201 flow [2023-08-29 02:38:39,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 46 transitions, 186 flow, removed 3 selfloop flow, removed 3 redundant places. [2023-08-29 02:38:39,751 INFO L231 Difference]: Finished difference. Result has 36 places, 29 transitions, 102 flow [2023-08-29 02:38:39,751 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=36, PETRI_TRANSITIONS=29} [2023-08-29 02:38:39,752 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places. [2023-08-29 02:38:39,753 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 29 transitions, 102 flow [2023-08-29 02:38:39,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:38:39,753 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:39,753 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:39,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 02:38:39,754 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:38:39,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:39,754 INFO L85 PathProgramCache]: Analyzing trace with hash -643112156, now seen corresponding path program 1 times [2023-08-29 02:38:39,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:39,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898417964] [2023-08-29 02:38:39,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:39,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:39,805 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 02:38:39,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:39,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898417964] [2023-08-29 02:38:39,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898417964] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:39,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:39,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:39,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441536717] [2023-08-29 02:38:39,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:39,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:39,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:39,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:39,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:39,842 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 162 [2023-08-29 02:38:39,842 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 29 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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 02:38:39,842 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:39,842 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 162 [2023-08-29 02:38:39,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:39,884 INFO L130 PetriNetUnfolder]: 33/135 cut-off events. [2023-08-29 02:38:39,885 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2023-08-29 02:38:39,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 135 events. 33/135 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 401 event pairs, 27 based on Foata normal form. 6/141 useless extension candidates. Maximal degree in co-relation 353. Up to 116 conditions per place. [2023-08-29 02:38:39,885 INFO L137 encePairwiseOnDemand]: 160/162 looper letters, 0 selfloop transitions, 0 changer transitions 30/30 dead transitions. [2023-08-29 02:38:39,885 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 30 transitions, 159 flow [2023-08-29 02:38:39,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:39,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 282 transitions. [2023-08-29 02:38:39,888 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5802469135802469 [2023-08-29 02:38:39,888 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 282 transitions. [2023-08-29 02:38:39,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 282 transitions. [2023-08-29 02:38:39,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:39,888 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 282 transitions. [2023-08-29 02:38:39,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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 02:38:39,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 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 02:38:39,889 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 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 02:38:39,889 INFO L175 Difference]: Start difference. First operand has 36 places, 29 transitions, 102 flow. Second operand 3 states and 282 transitions. [2023-08-29 02:38:39,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 30 transitions, 159 flow [2023-08-29 02:38:39,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 30 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:38:39,890 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2023-08-29 02:38:39,890 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2023-08-29 02:38:39,891 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -4 predicate places. [2023-08-29 02:38:39,891 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2023-08-29 02:38:39,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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 02:38:39,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2023-08-29 02:38:39,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2023-08-29 02:38:39,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2023-08-29 02:38:39,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2023-08-29 02:38:39,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2023-08-29 02:38:39,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2023-08-29 02:38:39,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2023-08-29 02:38:39,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2023-08-29 02:38:39,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2023-08-29 02:38:39,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2023-08-29 02:38:39,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2023-08-29 02:38:39,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 02:38:39,895 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 02:38:39,898 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:38:39,898 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:38:39,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:38:39 BasicIcfg [2023-08-29 02:38:39,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:38:39,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:38:39,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:38:39,901 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:38:39,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:38:36" (3/4) ... [2023-08-29 02:38:39,902 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 02:38:39,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 02:38:39,908 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-08-29 02:38:39,908 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 02:38:39,908 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 02:38:39,908 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 02:38:39,928 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 02:38:39,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:38:39,929 INFO L158 Benchmark]: Toolchain (without parser) took 3827.70ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 59.7MB in the beginning and 68.9MB in the end (delta: -9.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-08-29 02:38:39,929 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:38:39,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.23ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 60.7MB in the end (delta: -1.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-08-29 02:38:39,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.48ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 58.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:38:39,930 INFO L158 Benchmark]: Boogie Preprocessor took 14.91ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 57.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:38:39,930 INFO L158 Benchmark]: RCFGBuilder took 349.57ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 42.6MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 02:38:39,930 INFO L158 Benchmark]: TraceAbstraction took 3089.53ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 42.0MB in the beginning and 71.2MB in the end (delta: -29.2MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-08-29 02:38:39,930 INFO L158 Benchmark]: Witness Printer took 27.99ms. Allocated memory is still 100.7MB. Free memory was 71.2MB in the beginning and 68.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:38:39,945 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 65.0MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.23ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 60.7MB in the end (delta: -1.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.48ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 58.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.91ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 57.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.57ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 42.6MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3089.53ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 42.0MB in the beginning and 71.2MB in the end (delta: -29.2MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Witness Printer took 27.99ms. Allocated memory is still 100.7MB. Free memory was 71.2MB in the beginning and 68.9MB in the end (delta: 2.3MB). 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: 2.0s, 94 PlacesBefore, 37 PlacesAfterwards, 91 TransitionsBefore, 33 TransitionsAfterwards, 1904 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 63 TotalNumberOfCompositions, 6926 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3748, independent: 3384, independent conditional: 0, independent unconditional: 3384, dependent: 364, dependent conditional: 0, dependent unconditional: 364, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1029, independent: 972, independent conditional: 0, independent unconditional: 972, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3748, independent: 2412, independent conditional: 0, independent unconditional: 2412, dependent: 307, dependent conditional: 0, dependent unconditional: 307, unknown: 1029, unknown conditional: 0, unknown unconditional: 1029] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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, 135 locations, 11 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: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 261 IncrementalHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 23 mSDtfsCounter, 261 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 02:38:39,958 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