./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/ldv-races/race-1_3b-join.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/ldv-races/race-1_3b-join.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 c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b --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 01:01:35,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:01:35,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:01:35,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:01:35,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:01:35,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:01:35,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:01:35,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:01:35,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:01:35,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:01:35,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:01:35,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:01:35,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:01:35,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:01:35,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:01:35,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:01:35,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:01:35,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:01:35,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:01:35,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:01:35,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:01:35,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:01:35,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:01:35,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:01:35,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:01:35,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:01:35,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:01:35,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:01:35,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:01:35,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:01:35,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:01:35,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:01:35,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:01:35,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:01:35,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:01:35,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:01:35,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:01:35,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:01:35,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:01:35,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:01:35,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:01:35,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:01:35,298 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:01:35,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:01:35,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:01:35,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:01:35,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:01:35,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:01:35,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:01:35,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:01:35,302 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:01:35,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:01:35,303 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:01:35,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:01:35,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:01:35,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:01:35,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:01:35,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:01:35,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:01:35,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:01:35,304 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:01:35,304 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:01:35,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:01:35,305 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:01:35,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:01:35,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:01:35,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:01:35,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:01:35,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:01:35,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:01:35,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:01:35,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:01:35,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:01:35,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:01:35,307 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:01:35,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:01:35,307 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:01:35,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:01:35,308 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:01:35,308 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c73b137d4d055d601e6891c370b9da4780621da8a7fc8a5ca4886c6b3b685d8b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:01:35,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:01:35,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:01:35,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:01:35,660 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:01:35,661 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:01:35,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3b-join.i [2023-08-29 01:01:36,762 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:01:37,120 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:01:37,120 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i [2023-08-29 01:01:37,143 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31c9bfc93/c1c7453c67a544049539b34ad503a0d7/FLAGcf71233b4 [2023-08-29 01:01:37,166 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31c9bfc93/c1c7453c67a544049539b34ad503a0d7 [2023-08-29 01:01:37,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:01:37,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:01:37,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:01:37,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:01:37,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:01:37,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:01:37" (1/1) ... [2023-08-29 01:01:37,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21df712f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:37, skipping insertion in model container [2023-08-29 01:01:37,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:01:37" (1/1) ... [2023-08-29 01:01:37,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:01:37,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:01:37,772 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i[76069,76082] [2023-08-29 01:01:37,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:01:37,813 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:01:37,888 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i[76069,76082] [2023-08-29 01:01:37,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:01:38,008 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:01:38,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:38 WrapperNode [2023-08-29 01:01:38,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:01:38,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:01:38,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:01:38,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:01:38,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:38" (1/1) ... [2023-08-29 01:01:38,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:38" (1/1) ... [2023-08-29 01:01:38,059 INFO L138 Inliner]: procedures = 480, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2023-08-29 01:01:38,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:01:38,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:01:38,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:01:38,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:01:38,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:38" (1/1) ... [2023-08-29 01:01:38,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:38" (1/1) ... [2023-08-29 01:01:38,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:38" (1/1) ... [2023-08-29 01:01:38,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:38" (1/1) ... [2023-08-29 01:01:38,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:38" (1/1) ... [2023-08-29 01:01:38,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:38" (1/1) ... [2023-08-29 01:01:38,089 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:38" (1/1) ... [2023-08-29 01:01:38,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:38" (1/1) ... [2023-08-29 01:01:38,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:01:38,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:01:38,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:01:38,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:01:38,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:38" (1/1) ... [2023-08-29 01:01:38,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:01:38,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:01:38,131 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 01:01:38,156 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 01:01:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:01:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:01:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 01:01:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:01:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 01:01:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:01:38,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:01:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:01:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 01:01:38,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 01:01:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:01:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:01:38,173 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 01:01:38,470 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:01:38,472 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:01:38,629 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:01:38,635 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:01:38,636 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 01:01:38,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:01:38 BoogieIcfgContainer [2023-08-29 01:01:38,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:01:38,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:01:38,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:01:38,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:01:38,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:01:37" (1/3) ... [2023-08-29 01:01:38,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6399e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:01:38, skipping insertion in model container [2023-08-29 01:01:38,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:38" (2/3) ... [2023-08-29 01:01:38,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6399e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:01:38, skipping insertion in model container [2023-08-29 01:01:38,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:01:38" (3/3) ... [2023-08-29 01:01:38,644 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_3b-join.i [2023-08-29 01:01:38,651 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:01:38,659 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:01:38,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-29 01:01:38,660 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:01:38,705 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 01:01:38,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 141 transitions, 290 flow [2023-08-29 01:01:38,828 INFO L130 PetriNetUnfolder]: 6/175 cut-off events. [2023-08-29 01:01:38,828 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:01:38,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 175 events. 6/175 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 243 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 100. Up to 4 conditions per place. [2023-08-29 01:01:38,833 INFO L82 GeneralOperation]: Start removeDead. Operand has 139 places, 141 transitions, 290 flow [2023-08-29 01:01:38,840 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 128 transitions, 262 flow [2023-08-29 01:01:38,843 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:01:38,855 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 128 transitions, 262 flow [2023-08-29 01:01:38,861 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 128 transitions, 262 flow [2023-08-29 01:01:38,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 128 transitions, 262 flow [2023-08-29 01:01:38,916 INFO L130 PetriNetUnfolder]: 4/163 cut-off events. [2023-08-29 01:01:38,916 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:01:38,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 163 events. 4/163 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 237 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 100. Up to 4 conditions per place. [2023-08-29 01:01:38,919 INFO L119 LiptonReduction]: Number of co-enabled transitions 912 [2023-08-29 01:01:42,279 INFO L134 LiptonReduction]: Checked pairs total: 2094 [2023-08-29 01:01:42,280 INFO L136 LiptonReduction]: Total number of compositions: 136 [2023-08-29 01:01:42,292 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:01:42,297 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;@64b0e7dd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:01:42,297 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-08-29 01:01:42,299 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:01:42,299 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:01:42,299 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:01:42,300 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:01:42,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-08-29 01:01:42,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:01:42,304 INFO L85 PathProgramCache]: Analyzing trace with hash 488, now seen corresponding path program 1 times [2023-08-29 01:01:42,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:01:42,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484270592] [2023-08-29 01:01:42,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:01:42,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:01:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:01:42,563 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 01:01:42,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:01:42,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484270592] [2023-08-29 01:01:42,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484270592] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:01:42,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:01:42,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:01:42,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543695249] [2023-08-29 01:01:42,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:01:42,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:01:42,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:01:42,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:01:42,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:01:42,598 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 277 [2023-08-29 01:01:42,600 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 27 transitions, 60 flow. Second operand has 2 states, 2 states have (on average 131.5) internal successors, (263), 2 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 01:01:42,600 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:01:42,600 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 277 [2023-08-29 01:01:42,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:01:42,642 INFO L130 PetriNetUnfolder]: 15/66 cut-off events. [2023-08-29 01:01:42,642 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:01:42,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 66 events. 15/66 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 220 event pairs, 15 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 89. Up to 47 conditions per place. [2023-08-29 01:01:42,644 INFO L137 encePairwiseOnDemand]: 270/277 looper letters, 11 selfloop transitions, 0 changer transitions 1/20 dead transitions. [2023-08-29 01:01:42,645 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 20 transitions, 70 flow [2023-08-29 01:01:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:01:42,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:01:42,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 281 transitions. [2023-08-29 01:01:42,663 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5072202166064982 [2023-08-29 01:01:42,664 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 281 transitions. [2023-08-29 01:01:42,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 281 transitions. [2023-08-29 01:01:42,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:01:42,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 281 transitions. [2023-08-29 01:01:42,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 140.5) internal successors, (281), 2 states have internal predecessors, (281), 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 01:01:42,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 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 01:01:42,679 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 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 01:01:42,681 INFO L175 Difference]: Start difference. First operand has 29 places, 27 transitions, 60 flow. Second operand 2 states and 281 transitions. [2023-08-29 01:01:42,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 20 transitions, 70 flow [2023-08-29 01:01:42,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 20 transitions, 66 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 01:01:42,684 INFO L231 Difference]: Finished difference. Result has 22 places, 19 transitions, 39 flow [2023-08-29 01:01:42,686 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=39, PETRI_PLACES=22, PETRI_TRANSITIONS=19} [2023-08-29 01:01:42,689 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -7 predicate places. [2023-08-29 01:01:42,690 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 19 transitions, 39 flow [2023-08-29 01:01:42,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 131.5) internal successors, (263), 2 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 01:01:42,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:01:42,690 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 01:01:42,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:01:42,691 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-08-29 01:01:42,700 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:01:42,702 INFO L85 PathProgramCache]: Analyzing trace with hash 15192368, now seen corresponding path program 1 times [2023-08-29 01:01:42,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:01:42,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655351944] [2023-08-29 01:01:42,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:01:42,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:01:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:01:42,887 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 01:01:42,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:01:42,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655351944] [2023-08-29 01:01:42,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655351944] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:01:42,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:01:42,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:01:42,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120647085] [2023-08-29 01:01:42,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:01:42,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:01:42,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:01:42,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:01:42,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:01:42,909 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 277 [2023-08-29 01:01:42,910 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 19 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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 01:01:42,910 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:01:42,910 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 277 [2023-08-29 01:01:42,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:01:42,940 INFO L130 PetriNetUnfolder]: 15/62 cut-off events. [2023-08-29 01:01:42,940 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:01:42,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 62 events. 15/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 186 event pairs, 15 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 105. Up to 42 conditions per place. [2023-08-29 01:01:42,942 INFO L137 encePairwiseOnDemand]: 274/277 looper letters, 10 selfloop transitions, 0 changer transitions 2/20 dead transitions. [2023-08-29 01:01:42,942 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 20 transitions, 65 flow [2023-08-29 01:01:42,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:01:42,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:01:42,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 391 transitions. [2023-08-29 01:01:42,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.470517448856799 [2023-08-29 01:01:42,945 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 391 transitions. [2023-08-29 01:01:42,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 391 transitions. [2023-08-29 01:01:42,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:01:42,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 391 transitions. [2023-08-29 01:01:42,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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 01:01:42,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 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 01:01:42,951 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 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 01:01:42,951 INFO L175 Difference]: Start difference. First operand has 22 places, 19 transitions, 39 flow. Second operand 3 states and 391 transitions. [2023-08-29 01:01:42,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 20 transitions, 65 flow [2023-08-29 01:01:42,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 20 transitions, 65 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:01:42,952 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 41 flow [2023-08-29 01:01:42,953 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=39, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=41, PETRI_PLACES=24, PETRI_TRANSITIONS=18} [2023-08-29 01:01:42,953 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -5 predicate places. [2023-08-29 01:01:42,954 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 41 flow [2023-08-29 01:01:42,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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 01:01:42,954 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:01:42,954 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 01:01:42,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:01:42,955 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-08-29 01:01:42,957 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:01:42,957 INFO L85 PathProgramCache]: Analyzing trace with hash 465467150, now seen corresponding path program 1 times [2023-08-29 01:01:42,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:01:42,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071487525] [2023-08-29 01:01:42,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:01:42,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:01:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:01:43,024 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 01:01:43,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:01:43,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071487525] [2023-08-29 01:01:43,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071487525] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:01:43,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:01:43,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:01:43,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527585137] [2023-08-29 01:01:43,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:01:43,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:01:43,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:01:43,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:01:43,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:01:43,084 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 277 [2023-08-29 01:01:43,085 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 41 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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 01:01:43,085 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:01:43,085 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 277 [2023-08-29 01:01:43,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:01:43,116 INFO L130 PetriNetUnfolder]: 22/81 cut-off events. [2023-08-29 01:01:43,117 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 01:01:43,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 81 events. 22/81 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 271 event pairs, 13 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 147. Up to 47 conditions per place. [2023-08-29 01:01:43,117 INFO L137 encePairwiseOnDemand]: 272/277 looper letters, 13 selfloop transitions, 4 changer transitions 2/25 dead transitions. [2023-08-29 01:01:43,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 25 transitions, 97 flow [2023-08-29 01:01:43,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:01:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:01:43,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2023-08-29 01:01:43,119 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4500601684717208 [2023-08-29 01:01:43,120 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 374 transitions. [2023-08-29 01:01:43,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 374 transitions. [2023-08-29 01:01:43,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:01:43,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 374 transitions. [2023-08-29 01:01:43,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 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 01:01:43,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 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 01:01:43,123 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 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 01:01:43,123 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 41 flow. Second operand 3 states and 374 transitions. [2023-08-29 01:01:43,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 25 transitions, 97 flow [2023-08-29 01:01:43,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 25 transitions, 89 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-08-29 01:01:43,124 INFO L231 Difference]: Finished difference. Result has 25 places, 20 transitions, 61 flow [2023-08-29 01:01:43,125 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=25, PETRI_TRANSITIONS=20} [2023-08-29 01:01:43,125 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -4 predicate places. [2023-08-29 01:01:43,126 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 20 transitions, 61 flow [2023-08-29 01:01:43,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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 01:01:43,126 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:01:43,126 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 01:01:43,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:01:43,127 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-08-29 01:01:43,127 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:01:43,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1544993531, now seen corresponding path program 1 times [2023-08-29 01:01:43,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:01:43,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661053306] [2023-08-29 01:01:43,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:01:43,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:01:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:01:43,173 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 01:01:43,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:01:43,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661053306] [2023-08-29 01:01:43,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661053306] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:01:43,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:01:43,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:01:43,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314534028] [2023-08-29 01:01:43,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:01:43,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:01:43,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:01:43,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:01:43,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:01:43,211 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 277 [2023-08-29 01:01:43,211 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 20 transitions, 61 flow. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 01:01:43,212 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:01:43,212 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 277 [2023-08-29 01:01:43,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:01:43,243 INFO L130 PetriNetUnfolder]: 24/80 cut-off events. [2023-08-29 01:01:43,244 INFO L131 PetriNetUnfolder]: For 18/20 co-relation queries the response was YES. [2023-08-29 01:01:43,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 80 events. 24/80 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 255 event pairs, 13 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 189. Up to 48 conditions per place. [2023-08-29 01:01:43,245 INFO L137 encePairwiseOnDemand]: 272/277 looper letters, 16 selfloop transitions, 6 changer transitions 0/27 dead transitions. [2023-08-29 01:01:43,245 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 27 transitions, 132 flow [2023-08-29 01:01:43,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:01:43,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:01:43,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 369 transitions. [2023-08-29 01:01:43,247 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44404332129963897 [2023-08-29 01:01:43,247 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 369 transitions. [2023-08-29 01:01:43,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 369 transitions. [2023-08-29 01:01:43,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:01:43,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 369 transitions. [2023-08-29 01:01:43,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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 01:01:43,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 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 01:01:43,252 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 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 01:01:43,252 INFO L175 Difference]: Start difference. First operand has 25 places, 20 transitions, 61 flow. Second operand 3 states and 369 transitions. [2023-08-29 01:01:43,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 27 transitions, 132 flow [2023-08-29 01:01:43,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 27 transitions, 125 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:01:43,253 INFO L231 Difference]: Finished difference. Result has 27 places, 24 transitions, 105 flow [2023-08-29 01:01:43,254 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=105, PETRI_PLACES=27, PETRI_TRANSITIONS=24} [2023-08-29 01:01:43,255 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -2 predicate places. [2023-08-29 01:01:43,255 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 24 transitions, 105 flow [2023-08-29 01:01:43,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 01:01:43,256 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:01:43,256 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:01:43,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:01:43,256 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-08-29 01:01:43,257 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:01:43,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1332692985, now seen corresponding path program 1 times [2023-08-29 01:01:43,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:01:43,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601629509] [2023-08-29 01:01:43,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:01:43,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:01:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 01:01:43,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 01:01:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 01:01:43,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 01:01:43,340 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 01:01:43,341 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2023-08-29 01:01:43,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2023-08-29 01:01:43,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2023-08-29 01:01:43,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2023-08-29 01:01:43,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2023-08-29 01:01:43,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2023-08-29 01:01:43,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2023-08-29 01:01:43,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2023-08-29 01:01:43,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2023-08-29 01:01:43,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2023-08-29 01:01:43,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2023-08-29 01:01:43,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 12 remaining) [2023-08-29 01:01:43,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:01:43,345 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-29 01:01:43,350 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 01:01:43,350 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 01:01:43,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 01:01:43 BasicIcfg [2023-08-29 01:01:43,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 01:01:43,386 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 01:01:43,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 01:01:43,386 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 01:01:43,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:01:38" (3/4) ... [2023-08-29 01:01:43,389 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-29 01:01:43,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 01:01:43,390 INFO L158 Benchmark]: Toolchain (without parser) took 6220.60ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 64.4MB in the beginning and 42.9MB in the end (delta: 21.4MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2023-08-29 01:01:43,390 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:01:43,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 835.89ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 55.5MB in the end (delta: 8.5MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2023-08-29 01:01:43,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.51ms. Allocated memory is still 88.1MB. Free memory was 55.1MB in the beginning and 52.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:01:43,399 INFO L158 Benchmark]: Boogie Preprocessor took 34.86ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 49.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:01:43,399 INFO L158 Benchmark]: RCFGBuilder took 541.58ms. Allocated memory is still 88.1MB. Free memory was 49.6MB in the beginning and 53.8MB in the end (delta: -4.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-29 01:01:43,400 INFO L158 Benchmark]: TraceAbstraction took 4746.78ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 52.9MB in the beginning and 42.9MB in the end (delta: 10.0MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2023-08-29 01:01:43,400 INFO L158 Benchmark]: Witness Printer took 3.19ms. Allocated memory is still 121.6MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:01:43,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 835.89ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 55.5MB in the end (delta: 8.5MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.51ms. Allocated memory is still 88.1MB. Free memory was 55.1MB in the beginning and 52.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.86ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 49.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.58ms. Allocated memory is still 88.1MB. Free memory was 49.6MB in the beginning and 53.8MB in the end (delta: -4.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4746.78ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 52.9MB in the beginning and 42.9MB in the end (delta: 10.0MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Witness Printer took 3.19ms. Allocated memory is still 121.6MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.4s, 128 PlacesBefore, 29 PlacesAfterwards, 128 TransitionsBefore, 27 TransitionsAfterwards, 912 CoEnabledTransitionPairs, 8 FixpointIterations, 88 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 136 TotalNumberOfCompositions, 2094 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1321, independent: 1142, independent conditional: 0, independent unconditional: 1142, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 505, independent: 481, independent conditional: 0, independent unconditional: 481, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1321, independent: 661, independent conditional: 0, independent unconditional: 661, dependent: 155, dependent conditional: 0, dependent unconditional: 155, unknown: 505, unknown conditional: 0, unknown unconditional: 505] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1699]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1; [L1695] 0 pthread_mutex_t mutex; [L1696] 0 int pdev; [L1726] CALL, EXPR 0 module_init() [L1705] 0 pdev = 1 [L1706] EXPR 0 pdev==1 [L1706] CALL 0 ldv_assert(pdev==1) [L1693] COND FALSE 0 !(!expression) [L1706] RET 0 ldv_assert(pdev==1) [L1707] COND TRUE 0 __VERIFIER_nondet_int() [L1708] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={4:0}, pdev=1, pthread_create(&t1, ((void *)0), thread1, ((void *)0))=-1, t1={3:0}] [L1709] 0 return 0; [L1726] RET, EXPR 0 module_init() [L1699] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, t1={3:0}] [L1726] COND FALSE 0 !(module_init()!=0) [L1727] CALL 0 module_exit() [L1717] 0 void *status; [L1718] 0 pdev = 4 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, status={5:0}, t1={3:0}] [L1718] 0 pdev = 4 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev = 4=1151, pdev = 6=1153, pdev=4, status={5:0}, t1={3:0}] [L1699] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev = 6=1153, pdev=4, t1={3:0}] Now there is a data race on ~pdev~0 between C: pdev = 4 [1718] and C: pdev = 6 [1699] - UnprovableResult [Line: 1705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1722]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1708]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 150 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 144 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 179 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 2 mSDtfsCounter, 179 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=4, InterpolantAutomatonStates: 11, 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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 RESULT: Ultimate proved your program to be incorrect! [2023-08-29 01:01:43,444 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE