./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_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_24-multiple-protecting_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 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --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 02:38:05,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:38:05,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:38:05,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:38:05,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:38:05,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:38:05,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:38:05,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:38:05,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:38:05,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:38:05,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:38:05,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:38:05,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:38:05,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:38:05,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:38:05,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:38:05,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:38:05,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:38:05,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:38:05,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:38:05,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:38:05,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:38:05,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:38:05,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:38:05,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:38:05,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:38:05,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:38:05,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:38:05,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:38:06,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:38:06,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:38:06,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:38:06,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:38:06,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:38:06,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:38:06,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:38:06,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:38:06,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:38:06,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:38:06,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:38:06,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:38:06,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:38:06,039 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:38:06,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:38:06,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:38:06,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:38:06,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:38:06,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:38:06,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:38:06,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:38:06,042 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:38:06,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:38:06,043 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:38:06,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:38:06,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:38:06,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:38:06,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:38:06,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:38:06,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:38:06,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:38:06,044 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:38:06,044 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:38:06,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:38:06,045 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:38:06,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:38:06,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:38:06,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:38:06,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:38:06,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:38:06,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:38:06,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:38:06,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:38:06,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:38:06,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:38:06,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:38:06,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:38:06,047 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:38:06,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:38:06,047 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:38:06,047 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:38:06,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:38:06,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:38:06,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:38:06,306 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:38:06,309 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:38:06,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2023-08-29 02:38:07,303 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:38:07,472 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:38:07,473 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2023-08-29 02:38:07,480 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22464dfd0/2d353b5275564794b7d07a7fdaab8423/FLAG97fbe9122 [2023-08-29 02:38:07,489 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22464dfd0/2d353b5275564794b7d07a7fdaab8423 [2023-08-29 02:38:07,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:38:07,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:38:07,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:38:07,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:38:07,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:38:07,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:38:07" (1/1) ... [2023-08-29 02:38:07,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbe6794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07, skipping insertion in model container [2023-08-29 02:38:07,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:38:07" (1/1) ... [2023-08-29 02:38:07,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:38:07,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:38:07,668 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_24-multiple-protecting_true.i[1096,1109] [2023-08-29 02:38:07,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:38:07,799 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:38:07,810 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_24-multiple-protecting_true.i[1096,1109] [2023-08-29 02:38:07,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:38:07,873 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:38:07,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07 WrapperNode [2023-08-29 02:38:07,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:38:07,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:38:07,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:38:07,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:38:07,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07" (1/1) ... [2023-08-29 02:38:07,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07" (1/1) ... [2023-08-29 02:38:07,918 INFO L138 Inliner]: procedures = 162, calls = 46, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 103 [2023-08-29 02:38:07,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:38:07,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:38:07,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:38:07,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:38:07,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07" (1/1) ... [2023-08-29 02:38:07,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07" (1/1) ... [2023-08-29 02:38:07,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07" (1/1) ... [2023-08-29 02:38:07,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07" (1/1) ... [2023-08-29 02:38:07,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07" (1/1) ... [2023-08-29 02:38:07,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07" (1/1) ... [2023-08-29 02:38:07,951 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07" (1/1) ... [2023-08-29 02:38:07,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07" (1/1) ... [2023-08-29 02:38:07,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:38:07,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:38:07,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:38:07,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:38:07,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07" (1/1) ... [2023-08-29 02:38:07,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:38:07,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:38:07,988 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 02:38:07,998 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 02:38:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 02:38:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:38:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 02:38:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 02:38:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:38:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 02:38:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 02:38:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:38:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 02:38:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:38:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:38:08,019 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 02:38:08,149 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:38:08,150 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:38:08,334 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:38:08,344 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:38:08,344 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 02:38:08,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:38:08 BoogieIcfgContainer [2023-08-29 02:38:08,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:38:08,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:38:08,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:38:08,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:38:08,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:38:07" (1/3) ... [2023-08-29 02:38:08,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697917ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:38:08, skipping insertion in model container [2023-08-29 02:38:08,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:07" (2/3) ... [2023-08-29 02:38:08,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697917ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:38:08, skipping insertion in model container [2023-08-29 02:38:08,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:38:08" (3/3) ... [2023-08-29 02:38:08,353 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2023-08-29 02:38:08,358 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:38:08,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:38:08,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2023-08-29 02:38:08,364 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:38:08,423 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 02:38:08,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 177 places, 177 transitions, 362 flow [2023-08-29 02:38:08,518 INFO L130 PetriNetUnfolder]: 4/176 cut-off events. [2023-08-29 02:38:08,519 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 02:38:08,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 176 events. 4/176 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 178 event pairs, 0 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 132. Up to 2 conditions per place. [2023-08-29 02:38:08,525 INFO L82 GeneralOperation]: Start removeDead. Operand has 177 places, 177 transitions, 362 flow [2023-08-29 02:38:08,528 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 169 places, 169 transitions, 341 flow [2023-08-29 02:38:08,530 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:38:08,537 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 169 places, 169 transitions, 341 flow [2023-08-29 02:38:08,539 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 169 places, 169 transitions, 341 flow [2023-08-29 02:38:08,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 169 places, 169 transitions, 341 flow [2023-08-29 02:38:08,569 INFO L130 PetriNetUnfolder]: 4/169 cut-off events. [2023-08-29 02:38:08,569 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:38:08,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 169 events. 4/169 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 178 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 132. Up to 2 conditions per place. [2023-08-29 02:38:08,573 INFO L119 LiptonReduction]: Number of co-enabled transitions 8710 [2023-08-29 02:38:11,298 INFO L134 LiptonReduction]: Checked pairs total: 41896 [2023-08-29 02:38:11,298 INFO L136 LiptonReduction]: Total number of compositions: 104 [2023-08-29 02:38:11,307 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:38:11,312 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;@1b7d8d7f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:38:11,312 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-08-29 02:38:11,315 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2023-08-29 02:38:11,315 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:38:11,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:11,316 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 02:38:11,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-29 02:38:11,319 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:11,320 INFO L85 PathProgramCache]: Analyzing trace with hash -268936881, now seen corresponding path program 1 times [2023-08-29 02:38:11,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:11,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575479384] [2023-08-29 02:38:11,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:11,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:11,549 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 02:38:11,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:11,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575479384] [2023-08-29 02:38:11,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575479384] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:11,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:11,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:11,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748951291] [2023-08-29 02:38:11,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:11,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:11,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:11,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:11,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:11,602 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 281 [2023-08-29 02:38:11,604 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 80 transitions, 163 flow. Second operand has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 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 02:38:11,605 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:11,605 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 281 [2023-08-29 02:38:11,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:11,831 INFO L130 PetriNetUnfolder]: 1007/2581 cut-off events. [2023-08-29 02:38:11,831 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:38:11,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4700 conditions, 2581 events. 1007/2581 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 17111 event pairs, 193 based on Foata normal form. 132/2468 useless extension candidates. Maximal degree in co-relation 4691. Up to 1221 conditions per place. [2023-08-29 02:38:11,841 INFO L137 encePairwiseOnDemand]: 261/281 looper letters, 88 selfloop transitions, 10 changer transitions 0/116 dead transitions. [2023-08-29 02:38:11,841 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 116 transitions, 431 flow [2023-08-29 02:38:11,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2023-08-29 02:38:11,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.66785290628707 [2023-08-29 02:38:11,851 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 563 transitions. [2023-08-29 02:38:11,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 563 transitions. [2023-08-29 02:38:11,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:11,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 563 transitions. [2023-08-29 02:38:11,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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 02:38:11,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:11,861 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:11,862 INFO L175 Difference]: Start difference. First operand has 80 places, 80 transitions, 163 flow. Second operand 3 states and 563 transitions. [2023-08-29 02:38:11,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 116 transitions, 431 flow [2023-08-29 02:38:11,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 116 transitions, 430 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:38:11,866 INFO L231 Difference]: Finished difference. Result has 79 places, 80 transitions, 224 flow [2023-08-29 02:38:11,867 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=79, PETRI_TRANSITIONS=80} [2023-08-29 02:38:11,869 INFO L281 CegarLoopForPetriNet]: 80 programPoint places, -1 predicate places. [2023-08-29 02:38:11,870 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 80 transitions, 224 flow [2023-08-29 02:38:11,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 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 02:38:11,870 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:11,870 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:11,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 02:38:11,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-29 02:38:11,871 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:11,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1781540764, now seen corresponding path program 1 times [2023-08-29 02:38:11,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:11,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51198983] [2023-08-29 02:38:11,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:11,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:11,912 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 02:38:11,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:11,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51198983] [2023-08-29 02:38:11,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51198983] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:11,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:11,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:11,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033233217] [2023-08-29 02:38:11,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:11,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:11,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:11,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:11,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:11,941 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 281 [2023-08-29 02:38:11,942 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 80 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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 02:38:11,942 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:11,942 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 281 [2023-08-29 02:38:11,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:12,176 INFO L130 PetriNetUnfolder]: 917/2526 cut-off events. [2023-08-29 02:38:12,177 INFO L131 PetriNetUnfolder]: For 424/428 co-relation queries the response was YES. [2023-08-29 02:38:12,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4923 conditions, 2526 events. 917/2526 cut-off events. For 424/428 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 16995 event pairs, 734 based on Foata normal form. 2/2284 useless extension candidates. Maximal degree in co-relation 4913. Up to 1788 conditions per place. [2023-08-29 02:38:12,189 INFO L137 encePairwiseOnDemand]: 274/281 looper letters, 71 selfloop transitions, 8 changer transitions 0/105 dead transitions. [2023-08-29 02:38:12,189 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 105 transitions, 448 flow [2023-08-29 02:38:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:12,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:12,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 541 transitions. [2023-08-29 02:38:12,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.641755634638197 [2023-08-29 02:38:12,202 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 541 transitions. [2023-08-29 02:38:12,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 541 transitions. [2023-08-29 02:38:12,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:12,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 541 transitions. [2023-08-29 02:38:12,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 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 02:38:12,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:12,208 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:12,208 INFO L175 Difference]: Start difference. First operand has 79 places, 80 transitions, 224 flow. Second operand 3 states and 541 transitions. [2023-08-29 02:38:12,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 105 transitions, 448 flow [2023-08-29 02:38:12,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 105 transitions, 422 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 02:38:12,216 INFO L231 Difference]: Finished difference. Result has 81 places, 87 transitions, 276 flow [2023-08-29 02:38:12,216 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=81, PETRI_TRANSITIONS=87} [2023-08-29 02:38:12,217 INFO L281 CegarLoopForPetriNet]: 80 programPoint places, 1 predicate places. [2023-08-29 02:38:12,217 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 87 transitions, 276 flow [2023-08-29 02:38:12,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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 02:38:12,218 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:12,218 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:12,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 02:38:12,218 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-29 02:38:12,220 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:12,221 INFO L85 PathProgramCache]: Analyzing trace with hash 456521371, now seen corresponding path program 1 times [2023-08-29 02:38:12,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:12,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673599240] [2023-08-29 02:38:12,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:12,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:12,309 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 02:38:12,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:12,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673599240] [2023-08-29 02:38:12,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673599240] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:12,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:12,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 02:38:12,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103346812] [2023-08-29 02:38:12,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:12,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:12,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:12,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:12,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:12,340 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 281 [2023-08-29 02:38:12,341 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 87 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 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 02:38:12,341 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:12,341 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 281 [2023-08-29 02:38:12,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:12,568 INFO L130 PetriNetUnfolder]: 977/2653 cut-off events. [2023-08-29 02:38:12,568 INFO L131 PetriNetUnfolder]: For 461/494 co-relation queries the response was YES. [2023-08-29 02:38:12,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5324 conditions, 2653 events. 977/2653 cut-off events. For 461/494 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 18632 event pairs, 554 based on Foata normal form. 26/2419 useless extension candidates. Maximal degree in co-relation 5313. Up to 1755 conditions per place. [2023-08-29 02:38:12,578 INFO L137 encePairwiseOnDemand]: 267/281 looper letters, 84 selfloop transitions, 15 changer transitions 0/131 dead transitions. [2023-08-29 02:38:12,578 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 131 transitions, 576 flow [2023-08-29 02:38:12,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 548 transitions. [2023-08-29 02:38:12,579 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6500593119810202 [2023-08-29 02:38:12,580 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 548 transitions. [2023-08-29 02:38:12,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 548 transitions. [2023-08-29 02:38:12,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:12,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 548 transitions. [2023-08-29 02:38:12,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 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 02:38:12,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:12,583 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:12,583 INFO L175 Difference]: Start difference. First operand has 81 places, 87 transitions, 276 flow. Second operand 3 states and 548 transitions. [2023-08-29 02:38:12,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 131 transitions, 576 flow [2023-08-29 02:38:12,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 131 transitions, 556 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-29 02:38:12,588 INFO L231 Difference]: Finished difference. Result has 82 places, 98 transitions, 347 flow [2023-08-29 02:38:12,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=347, PETRI_PLACES=82, PETRI_TRANSITIONS=98} [2023-08-29 02:38:12,589 INFO L281 CegarLoopForPetriNet]: 80 programPoint places, 2 predicate places. [2023-08-29 02:38:12,589 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 98 transitions, 347 flow [2023-08-29 02:38:12,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 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 02:38:12,589 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:12,589 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:12,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 02:38:12,590 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-29 02:38:12,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:12,590 INFO L85 PathProgramCache]: Analyzing trace with hash -505668287, now seen corresponding path program 1 times [2023-08-29 02:38:12,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:12,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430865009] [2023-08-29 02:38:12,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:12,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:12,625 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 02:38:12,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:12,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430865009] [2023-08-29 02:38:12,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430865009] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:12,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:12,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:12,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612256896] [2023-08-29 02:38:12,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:12,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:12,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:12,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:12,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:12,647 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 281 [2023-08-29 02:38:12,648 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 98 transitions, 347 flow. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 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 02:38:12,648 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:12,648 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 281 [2023-08-29 02:38:12,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:12,873 INFO L130 PetriNetUnfolder]: 1129/2953 cut-off events. [2023-08-29 02:38:12,874 INFO L131 PetriNetUnfolder]: For 828/847 co-relation queries the response was YES. [2023-08-29 02:38:12,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6661 conditions, 2953 events. 1129/2953 cut-off events. For 828/847 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 20695 event pairs, 750 based on Foata normal form. 2/2603 useless extension candidates. Maximal degree in co-relation 6649. Up to 2126 conditions per place. [2023-08-29 02:38:12,884 INFO L137 encePairwiseOnDemand]: 274/281 looper letters, 86 selfloop transitions, 9 changer transitions 0/124 dead transitions. [2023-08-29 02:38:12,884 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 124 transitions, 626 flow [2023-08-29 02:38:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:12,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 541 transitions. [2023-08-29 02:38:12,886 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.641755634638197 [2023-08-29 02:38:12,887 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 541 transitions. [2023-08-29 02:38:12,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 541 transitions. [2023-08-29 02:38:12,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:12,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 541 transitions. [2023-08-29 02:38:12,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 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 02:38:12,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:12,893 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:12,893 INFO L175 Difference]: Start difference. First operand has 82 places, 98 transitions, 347 flow. Second operand 3 states and 541 transitions. [2023-08-29 02:38:12,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 124 transitions, 626 flow [2023-08-29 02:38:12,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 124 transitions, 608 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:38:12,897 INFO L231 Difference]: Finished difference. Result has 85 places, 106 transitions, 424 flow [2023-08-29 02:38:12,898 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=85, PETRI_TRANSITIONS=106} [2023-08-29 02:38:12,899 INFO L281 CegarLoopForPetriNet]: 80 programPoint places, 5 predicate places. [2023-08-29 02:38:12,899 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 106 transitions, 424 flow [2023-08-29 02:38:12,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 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 02:38:12,900 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:12,900 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:12,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 02:38:12,900 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-29 02:38:12,900 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:12,900 INFO L85 PathProgramCache]: Analyzing trace with hash -135445228, now seen corresponding path program 1 times [2023-08-29 02:38:12,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:12,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723496153] [2023-08-29 02:38:12,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:12,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:12,951 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 02:38:12,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:12,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723496153] [2023-08-29 02:38:12,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723496153] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:12,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:12,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:12,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290036236] [2023-08-29 02:38:12,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:12,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:12,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:12,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:12,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:12,963 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 281 [2023-08-29 02:38:12,963 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 106 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 02:38:12,963 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:12,964 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 281 [2023-08-29 02:38:12,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:13,235 INFO L130 PetriNetUnfolder]: 1360/3260 cut-off events. [2023-08-29 02:38:13,235 INFO L131 PetriNetUnfolder]: For 1435/1504 co-relation queries the response was YES. [2023-08-29 02:38:13,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7780 conditions, 3260 events. 1360/3260 cut-off events. For 1435/1504 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 21740 event pairs, 490 based on Foata normal form. 20/2972 useless extension candidates. Maximal degree in co-relation 7767. Up to 1541 conditions per place. [2023-08-29 02:38:13,246 INFO L137 encePairwiseOnDemand]: 272/281 looper letters, 112 selfloop transitions, 6 changer transitions 4/154 dead transitions. [2023-08-29 02:38:13,247 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 154 transitions, 838 flow [2023-08-29 02:38:13,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:13,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2023-08-29 02:38:13,248 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.66785290628707 [2023-08-29 02:38:13,248 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 563 transitions. [2023-08-29 02:38:13,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 563 transitions. [2023-08-29 02:38:13,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:13,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 563 transitions. [2023-08-29 02:38:13,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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 02:38:13,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:13,251 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:13,251 INFO L175 Difference]: Start difference. First operand has 85 places, 106 transitions, 424 flow. Second operand 3 states and 563 transitions. [2023-08-29 02:38:13,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 154 transitions, 838 flow [2023-08-29 02:38:13,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 154 transitions, 806 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-29 02:38:13,255 INFO L231 Difference]: Finished difference. Result has 85 places, 106 transitions, 428 flow [2023-08-29 02:38:13,255 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=428, PETRI_PLACES=85, PETRI_TRANSITIONS=106} [2023-08-29 02:38:13,256 INFO L281 CegarLoopForPetriNet]: 80 programPoint places, 5 predicate places. [2023-08-29 02:38:13,256 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 106 transitions, 428 flow [2023-08-29 02:38:13,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 02:38:13,256 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:13,256 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:13,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 02:38:13,257 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-29 02:38:13,257 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:13,257 INFO L85 PathProgramCache]: Analyzing trace with hash 408870641, now seen corresponding path program 1 times [2023-08-29 02:38:13,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:13,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306971952] [2023-08-29 02:38:13,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:13,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:13,374 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 02:38:13,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:13,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306971952] [2023-08-29 02:38:13,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306971952] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:13,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:13,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 02:38:13,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771140316] [2023-08-29 02:38:13,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:13,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 02:38:13,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:13,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 02:38:13,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-29 02:38:13,435 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 281 [2023-08-29 02:38:13,436 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 106 transitions, 428 flow. Second operand has 4 states, 4 states have (on average 162.25) internal successors, (649), 4 states have internal predecessors, (649), 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 02:38:13,436 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:13,436 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 281 [2023-08-29 02:38:13,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:13,580 INFO L130 PetriNetUnfolder]: 576/1530 cut-off events. [2023-08-29 02:38:13,580 INFO L131 PetriNetUnfolder]: For 745/762 co-relation queries the response was YES. [2023-08-29 02:38:13,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3848 conditions, 1530 events. 576/1530 cut-off events. For 745/762 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 9569 event pairs, 238 based on Foata normal form. 18/1401 useless extension candidates. Maximal degree in co-relation 3834. Up to 647 conditions per place. [2023-08-29 02:38:13,585 INFO L137 encePairwiseOnDemand]: 274/281 looper letters, 86 selfloop transitions, 8 changer transitions 13/135 dead transitions. [2023-08-29 02:38:13,586 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 135 transitions, 712 flow [2023-08-29 02:38:13,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 02:38:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 02:38:13,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 726 transitions. [2023-08-29 02:38:13,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6459074733096085 [2023-08-29 02:38:13,609 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 726 transitions. [2023-08-29 02:38:13,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 726 transitions. [2023-08-29 02:38:13,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:13,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 726 transitions. [2023-08-29 02:38:13,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 181.5) internal successors, (726), 4 states have internal predecessors, (726), 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 02:38:13,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 281.0) internal successors, (1405), 5 states have internal predecessors, (1405), 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 02:38:13,613 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 281.0) internal successors, (1405), 5 states have internal predecessors, (1405), 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 02:38:13,613 INFO L175 Difference]: Start difference. First operand has 85 places, 106 transitions, 428 flow. Second operand 4 states and 726 transitions. [2023-08-29 02:38:13,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 135 transitions, 712 flow [2023-08-29 02:38:13,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 135 transitions, 684 flow, removed 6 selfloop flow, removed 2 redundant places. [2023-08-29 02:38:13,616 INFO L231 Difference]: Finished difference. Result has 85 places, 91 transitions, 353 flow [2023-08-29 02:38:13,617 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=353, PETRI_PLACES=85, PETRI_TRANSITIONS=91} [2023-08-29 02:38:13,617 INFO L281 CegarLoopForPetriNet]: 80 programPoint places, 5 predicate places. [2023-08-29 02:38:13,617 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 91 transitions, 353 flow [2023-08-29 02:38:13,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 162.25) internal successors, (649), 4 states have internal predecessors, (649), 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 02:38:13,618 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:13,618 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:13,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 02:38:13,618 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-29 02:38:13,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:13,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1604776473, now seen corresponding path program 1 times [2023-08-29 02:38:13,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:13,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876085428] [2023-08-29 02:38:13,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:13,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:13,640 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 02:38:13,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:13,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876085428] [2023-08-29 02:38:13,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876085428] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:13,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:13,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:13,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943596504] [2023-08-29 02:38:13,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:13,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:13,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:13,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:13,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:13,655 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 281 [2023-08-29 02:38:13,656 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 91 transitions, 353 flow. Second operand has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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 02:38:13,656 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:13,656 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 281 [2023-08-29 02:38:13,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:13,789 INFO L130 PetriNetUnfolder]: 655/1671 cut-off events. [2023-08-29 02:38:13,789 INFO L131 PetriNetUnfolder]: For 817/831 co-relation queries the response was YES. [2023-08-29 02:38:13,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4289 conditions, 1671 events. 655/1671 cut-off events. For 817/831 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 10230 event pairs, 449 based on Foata normal form. 4/1500 useless extension candidates. Maximal degree in co-relation 4273. Up to 1260 conditions per place. [2023-08-29 02:38:13,795 INFO L137 encePairwiseOnDemand]: 276/281 looper letters, 85 selfloop transitions, 5 changer transitions 0/114 dead transitions. [2023-08-29 02:38:13,795 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 114 transitions, 612 flow [2023-08-29 02:38:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:13,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 545 transitions. [2023-08-29 02:38:13,797 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6465005931198102 [2023-08-29 02:38:13,797 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 545 transitions. [2023-08-29 02:38:13,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 545 transitions. [2023-08-29 02:38:13,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:13,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 545 transitions. [2023-08-29 02:38:13,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 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 02:38:13,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:13,799 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:13,799 INFO L175 Difference]: Start difference. First operand has 85 places, 91 transitions, 353 flow. Second operand 3 states and 545 transitions. [2023-08-29 02:38:13,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 114 transitions, 612 flow [2023-08-29 02:38:13,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 114 transitions, 611 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:38:13,803 INFO L231 Difference]: Finished difference. Result has 88 places, 94 transitions, 390 flow [2023-08-29 02:38:13,803 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=88, PETRI_TRANSITIONS=94} [2023-08-29 02:38:13,804 INFO L281 CegarLoopForPetriNet]: 80 programPoint places, 8 predicate places. [2023-08-29 02:38:13,804 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 94 transitions, 390 flow [2023-08-29 02:38:13,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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 02:38:13,804 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:13,804 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:13,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 02:38:13,805 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-29 02:38:13,805 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:13,805 INFO L85 PathProgramCache]: Analyzing trace with hash -79178208, now seen corresponding path program 1 times [2023-08-29 02:38:13,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:13,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806808385] [2023-08-29 02:38:13,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:13,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:13,917 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 02:38:13,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:13,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806808385] [2023-08-29 02:38:13,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806808385] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:13,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:13,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 02:38:13,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192424580] [2023-08-29 02:38:13,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:13,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 02:38:13,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:13,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 02:38:13,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-29 02:38:13,971 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 281 [2023-08-29 02:38:13,972 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 94 transitions, 390 flow. Second operand has 5 states, 5 states have (on average 149.2) internal successors, (746), 5 states have internal predecessors, (746), 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 02:38:13,972 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:13,972 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 281 [2023-08-29 02:38:13,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:14,114 INFO L130 PetriNetUnfolder]: 267/964 cut-off events. [2023-08-29 02:38:14,114 INFO L131 PetriNetUnfolder]: For 644/644 co-relation queries the response was YES. [2023-08-29 02:38:14,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2664 conditions, 964 events. 267/964 cut-off events. For 644/644 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5579 event pairs, 76 based on Foata normal form. 95/1015 useless extension candidates. Maximal degree in co-relation 2647. Up to 481 conditions per place. [2023-08-29 02:38:14,117 INFO L137 encePairwiseOnDemand]: 262/281 looper letters, 51 selfloop transitions, 21 changer transitions 19/109 dead transitions. [2023-08-29 02:38:14,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 109 transitions, 629 flow [2023-08-29 02:38:14,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 02:38:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 02:38:14,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 665 transitions. [2023-08-29 02:38:14,120 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5916370106761566 [2023-08-29 02:38:14,120 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 665 transitions. [2023-08-29 02:38:14,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 665 transitions. [2023-08-29 02:38:14,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:14,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 665 transitions. [2023-08-29 02:38:14,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 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 02:38:14,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 281.0) internal successors, (1405), 5 states have internal predecessors, (1405), 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 02:38:14,124 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 281.0) internal successors, (1405), 5 states have internal predecessors, (1405), 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 02:38:14,124 INFO L175 Difference]: Start difference. First operand has 88 places, 94 transitions, 390 flow. Second operand 4 states and 665 transitions. [2023-08-29 02:38:14,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 109 transitions, 629 flow [2023-08-29 02:38:14,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 109 transitions, 569 flow, removed 15 selfloop flow, removed 8 redundant places. [2023-08-29 02:38:14,128 INFO L231 Difference]: Finished difference. Result has 79 places, 73 transitions, 318 flow [2023-08-29 02:38:14,129 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=318, PETRI_PLACES=79, PETRI_TRANSITIONS=73} [2023-08-29 02:38:14,129 INFO L281 CegarLoopForPetriNet]: 80 programPoint places, -1 predicate places. [2023-08-29 02:38:14,129 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 73 transitions, 318 flow [2023-08-29 02:38:14,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 149.2) internal successors, (746), 5 states have internal predecessors, (746), 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 02:38:14,130 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:14,130 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:14,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 02:38:14,131 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-29 02:38:14,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:14,131 INFO L85 PathProgramCache]: Analyzing trace with hash 159609717, now seen corresponding path program 1 times [2023-08-29 02:38:14,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:14,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223509173] [2023-08-29 02:38:14,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:14,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:14,166 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 02:38:14,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:14,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223509173] [2023-08-29 02:38:14,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223509173] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:14,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:14,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:14,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867065275] [2023-08-29 02:38:14,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:14,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:14,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:14,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:14,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:14,183 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 281 [2023-08-29 02:38:14,183 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 73 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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 02:38:14,184 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:14,184 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 281 [2023-08-29 02:38:14,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:14,289 INFO L130 PetriNetUnfolder]: 208/713 cut-off events. [2023-08-29 02:38:14,290 INFO L131 PetriNetUnfolder]: For 496/499 co-relation queries the response was YES. [2023-08-29 02:38:14,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1996 conditions, 713 events. 208/713 cut-off events. For 496/499 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3684 event pairs, 161 based on Foata normal form. 21/707 useless extension candidates. Maximal degree in co-relation 1980. Up to 574 conditions per place. [2023-08-29 02:38:14,292 INFO L137 encePairwiseOnDemand]: 279/281 looper letters, 0 selfloop transitions, 0 changer transitions 80/80 dead transitions. [2023-08-29 02:38:14,292 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 80 transitions, 474 flow [2023-08-29 02:38:14,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:14,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2023-08-29 02:38:14,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6239620403321471 [2023-08-29 02:38:14,298 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 526 transitions. [2023-08-29 02:38:14,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 526 transitions. [2023-08-29 02:38:14,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:14,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 526 transitions. [2023-08-29 02:38:14,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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 02:38:14,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:14,301 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 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 02:38:14,301 INFO L175 Difference]: Start difference. First operand has 79 places, 73 transitions, 318 flow. Second operand 3 states and 526 transitions. [2023-08-29 02:38:14,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 80 transitions, 474 flow [2023-08-29 02:38:14,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 80 transitions, 469 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-08-29 02:38:14,303 INFO L231 Difference]: Finished difference. Result has 74 places, 0 transitions, 0 flow [2023-08-29 02:38:14,303 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=74, PETRI_TRANSITIONS=0} [2023-08-29 02:38:14,304 INFO L281 CegarLoopForPetriNet]: 80 programPoint places, -6 predicate places. [2023-08-29 02:38:14,304 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 0 transitions, 0 flow [2023-08-29 02:38:14,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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 02:38:14,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2023-08-29 02:38:14,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2023-08-29 02:38:14,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2023-08-29 02:38:14,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2023-08-29 02:38:14,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2023-08-29 02:38:14,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 22 remaining) [2023-08-29 02:38:14,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2023-08-29 02:38:14,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2023-08-29 02:38:14,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2023-08-29 02:38:14,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2023-08-29 02:38:14,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2023-08-29 02:38:14,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2023-08-29 02:38:14,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2023-08-29 02:38:14,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2023-08-29 02:38:14,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2023-08-29 02:38:14,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2023-08-29 02:38:14,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2023-08-29 02:38:14,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2023-08-29 02:38:14,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2023-08-29 02:38:14,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2023-08-29 02:38:14,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2023-08-29 02:38:14,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2023-08-29 02:38:14,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 02:38:14,311 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:14,316 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:38:14,316 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:38:14,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:38:14 BasicIcfg [2023-08-29 02:38:14,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:38:14,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:38:14,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:38:14,320 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:38:14,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:38:08" (3/4) ... [2023-08-29 02:38:14,322 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 02:38:14,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 02:38:14,331 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-08-29 02:38:14,331 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 02:38:14,331 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 02:38:14,331 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 02:38:14,364 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 02:38:14,364 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:38:14,365 INFO L158 Benchmark]: Toolchain (without parser) took 6872.78ms. Allocated memory was 81.8MB in the beginning and 524.3MB in the end (delta: 442.5MB). Free memory was 49.6MB in the beginning and 394.3MB in the end (delta: -344.7MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. [2023-08-29 02:38:14,365 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory is still 33.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:38:14,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.58ms. Allocated memory is still 81.8MB. Free memory was 49.4MB in the beginning and 49.1MB in the end (delta: 374.4kB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-08-29 02:38:14,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.09ms. Allocated memory is still 81.8MB. Free memory was 49.1MB in the beginning and 47.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:38:14,365 INFO L158 Benchmark]: Boogie Preprocessor took 45.67ms. Allocated memory is still 81.8MB. Free memory was 47.0MB in the beginning and 45.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:38:14,366 INFO L158 Benchmark]: RCFGBuilder took 381.21ms. Allocated memory is still 81.8MB. Free memory was 45.2MB in the beginning and 54.0MB in the end (delta: -8.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-08-29 02:38:14,366 INFO L158 Benchmark]: TraceAbstraction took 5971.62ms. Allocated memory was 81.8MB in the beginning and 524.3MB in the end (delta: 442.5MB). Free memory was 53.3MB in the beginning and 397.4MB in the end (delta: -344.2MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. [2023-08-29 02:38:14,366 INFO L158 Benchmark]: Witness Printer took 44.60ms. Allocated memory is still 524.3MB. Free memory was 397.4MB in the beginning and 394.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:38:14,367 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 56.6MB. Free memory is still 33.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.58ms. Allocated memory is still 81.8MB. Free memory was 49.4MB in the beginning and 49.1MB in the end (delta: 374.4kB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.09ms. Allocated memory is still 81.8MB. Free memory was 49.1MB in the beginning and 47.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.67ms. Allocated memory is still 81.8MB. Free memory was 47.0MB in the beginning and 45.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 381.21ms. Allocated memory is still 81.8MB. Free memory was 45.2MB in the beginning and 54.0MB in the end (delta: -8.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5971.62ms. Allocated memory was 81.8MB in the beginning and 524.3MB in the end (delta: 442.5MB). Free memory was 53.3MB in the beginning and 397.4MB in the end (delta: -344.2MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. * Witness Printer took 44.60ms. Allocated memory is still 524.3MB. Free memory was 397.4MB in the beginning and 394.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8s, 169 PlacesBefore, 80 PlacesAfterwards, 169 TransitionsBefore, 80 TransitionsAfterwards, 8710 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 63 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 104 TotalNumberOfCompositions, 41896 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9675, independent: 8767, independent conditional: 0, independent unconditional: 8767, dependent: 908, dependent conditional: 0, dependent unconditional: 908, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3951, independent: 3831, independent conditional: 0, independent unconditional: 3831, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9675, independent: 4936, independent conditional: 0, independent unconditional: 4936, dependent: 788, dependent conditional: 0, dependent unconditional: 788, unknown: 3951, unknown conditional: 0, unknown unconditional: 3951] , Statistics on independence cache: Total cache size (in pairs): 540, Positive cache size: 459, Positive conditional cache size: 0, Positive unconditional cache size: 459, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: 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, 241 locations, 22 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: 5.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 751 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 464 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 159 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1345 IncrementalHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 159 mSolverCounterUnsat, 58 mSDtfsCounter, 1345 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=428occurred in iteration=5, InterpolantAutomatonStates: 29, 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, 0.4s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 333 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 02:38:14,388 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