./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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/weaver/popl20-more-min-le-max.wvr.c -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 0d8799100fd609ab67add98408724f155026fd97a78e0a4112bb89c435f95463 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:50:38,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:50:38,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:50:38,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:50:38,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:50:38,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:50:38,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:50:38,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:50:38,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:50:38,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:50:38,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:50:38,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:50:38,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:50:38,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:50:38,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:50:38,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:50:38,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:50:38,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:50:38,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:50:38,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:50:38,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:50:38,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:50:38,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:50:38,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:50:38,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:50:38,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:50:38,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:50:38,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:50:38,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:50:38,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:50:38,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:50:38,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:50:38,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:50:38,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:50:38,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:50:38,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:50:38,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:50:38,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:50:38,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:50:38,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:50:38,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:50:38,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:50:38,343 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:50:38,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:50:38,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:50:38,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:50:38,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:50:38,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:50:38,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:50:38,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:50:38,346 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:50:38,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:50:38,347 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:50:38,347 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:50:38,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:50:38,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:50:38,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:50:38,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:50:38,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:50:38,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:50:38,348 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:50:38,348 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:50:38,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:50:38,348 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:50:38,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:50:38,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:50:38,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:50:38,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:50:38,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:50:38,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:50:38,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:50:38,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:50:38,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:50:38,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:50:38,350 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:50:38,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:50:38,350 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:50:38,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:50:38,351 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:50:38,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d8799100fd609ab67add98408724f155026fd97a78e0a4112bb89c435f95463 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:50:38,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:50:38,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:50:38,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:50:38,593 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:50:38,593 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:50:38,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c [2023-08-31 21:50:39,498 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:50:39,675 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:50:39,676 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c [2023-08-31 21:50:39,681 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254d8eebb/a6285c57c74b453cb4d6acdb34be7bcd/FLAGa68d0cb49 [2023-08-31 21:50:39,692 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254d8eebb/a6285c57c74b453cb4d6acdb34be7bcd [2023-08-31 21:50:39,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:50:39,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:50:39,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:50:39,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:50:39,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:50:39,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:50:39" (1/1) ... [2023-08-31 21:50:39,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4298baab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39, skipping insertion in model container [2023-08-31 21:50:39,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:50:39" (1/1) ... [2023-08-31 21:50:39,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:50:39,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:50:39,840 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c[2486,2499] [2023-08-31 21:50:39,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:50:39,858 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:50:39,893 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c[2486,2499] [2023-08-31 21:50:39,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:50:39,907 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:50:39,907 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:50:39,912 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:50:39,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39 WrapperNode [2023-08-31 21:50:39,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:50:39,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:50:39,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:50:39,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:50:39,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39" (1/1) ... [2023-08-31 21:50:39,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39" (1/1) ... [2023-08-31 21:50:39,961 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 164 [2023-08-31 21:50:39,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:50:39,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:50:39,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:50:39,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:50:39,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39" (1/1) ... [2023-08-31 21:50:39,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39" (1/1) ... [2023-08-31 21:50:39,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39" (1/1) ... [2023-08-31 21:50:39,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39" (1/1) ... [2023-08-31 21:50:39,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39" (1/1) ... [2023-08-31 21:50:40,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39" (1/1) ... [2023-08-31 21:50:40,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39" (1/1) ... [2023-08-31 21:50:40,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39" (1/1) ... [2023-08-31 21:50:40,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:50:40,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:50:40,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:50:40,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:50:40,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39" (1/1) ... [2023-08-31 21:50:40,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:50:40,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:50:40,048 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) [2023-08-31 21:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:50:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:50:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:50:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 21:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 21:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:50:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:50:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:50:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:50:40,084 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:50:40,089 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 [2023-08-31 21:50:40,172 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:50:40,173 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:50:40,484 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:50:40,593 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:50:40,594 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-31 21:50:40,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:40 BoogieIcfgContainer [2023-08-31 21:50:40,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:50:40,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:50:40,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:50:40,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:50:40,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:50:39" (1/3) ... [2023-08-31 21:50:40,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4595a473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:50:40, skipping insertion in model container [2023-08-31 21:50:40,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:39" (2/3) ... [2023-08-31 21:50:40,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4595a473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:50:40, skipping insertion in model container [2023-08-31 21:50:40,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:40" (3/3) ... [2023-08-31 21:50:40,602 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-le-max.wvr.c [2023-08-31 21:50:40,608 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:50:40,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:50:40,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-08-31 21:50:40,614 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:50:40,681 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:50:40,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 231 places, 231 transitions, 486 flow [2023-08-31 21:50:40,796 INFO L130 PetriNetUnfolder]: 10/228 cut-off events. [2023-08-31 21:50:40,796 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:50:40,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 228 events. 10/228 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 207 event pairs, 0 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2023-08-31 21:50:40,801 INFO L82 GeneralOperation]: Start removeDead. Operand has 231 places, 231 transitions, 486 flow [2023-08-31 21:50:40,808 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 212 places, 211 transitions, 440 flow [2023-08-31 21:50:40,810 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:50:40,826 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 211 transitions, 440 flow [2023-08-31 21:50:40,829 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 211 transitions, 440 flow [2023-08-31 21:50:40,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 212 places, 211 transitions, 440 flow [2023-08-31 21:50:40,870 INFO L130 PetriNetUnfolder]: 9/211 cut-off events. [2023-08-31 21:50:40,870 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:50:40,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 211 events. 9/211 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 206 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2023-08-31 21:50:40,874 INFO L119 LiptonReduction]: Number of co-enabled transitions 3212 [2023-08-31 21:50:47,711 INFO L134 LiptonReduction]: Checked pairs total: 19953 [2023-08-31 21:50:47,711 INFO L136 LiptonReduction]: Total number of compositions: 212 [2023-08-31 21:50:47,720 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:50:47,723 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;@6bcf7179, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:50:47,724 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2023-08-31 21:50:47,725 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:50:47,725 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:50:47,725 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:47,725 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:50:47,726 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-08-31 21:50:47,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:47,729 INFO L85 PathProgramCache]: Analyzing trace with hash 949, now seen corresponding path program 1 times [2023-08-31 21:50:47,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:47,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658945459] [2023-08-31 21:50:47,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:47,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:47,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:47,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658945459] [2023-08-31 21:50:47,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658945459] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:47,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:47,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:50:47,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564917231] [2023-08-31 21:50:47,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:47,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:50:47,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:47,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:50:47,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:50:47,832 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 443 [2023-08-31 21:50:47,835 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 67 transitions, 152 flow. Second operand has 2 states, 2 states have (on average 199.5) internal successors, (399), 2 states have internal predecessors, (399), 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) [2023-08-31 21:50:47,836 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:47,836 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 443 [2023-08-31 21:50:47,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:47,937 INFO L130 PetriNetUnfolder]: 211/435 cut-off events. [2023-08-31 21:50:47,938 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2023-08-31 21:50:47,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 435 events. 211/435 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2029 event pairs, 118 based on Foata normal form. 89/418 useless extension candidates. Maximal degree in co-relation 653. Up to 307 conditions per place. [2023-08-31 21:50:47,943 INFO L137 encePairwiseOnDemand]: 413/443 looper letters, 17 selfloop transitions, 0 changer transitions 3/37 dead transitions. [2023-08-31 21:50:47,943 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 37 transitions, 132 flow [2023-08-31 21:50:47,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:50:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:50:47,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 448 transitions. [2023-08-31 21:50:47,956 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5056433408577878 [2023-08-31 21:50:47,956 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 448 transitions. [2023-08-31 21:50:47,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 448 transitions. [2023-08-31 21:50:47,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:47,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 448 transitions. [2023-08-31 21:50:47,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 224.0) internal successors, (448), 2 states have internal predecessors, (448), 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) [2023-08-31 21:50:47,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 443.0) internal successors, (1329), 3 states have internal predecessors, (1329), 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) [2023-08-31 21:50:47,968 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 443.0) internal successors, (1329), 3 states have internal predecessors, (1329), 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) [2023-08-31 21:50:47,969 INFO L175 Difference]: Start difference. First operand has 72 places, 67 transitions, 152 flow. Second operand 2 states and 448 transitions. [2023-08-31 21:50:47,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 37 transitions, 132 flow [2023-08-31 21:50:47,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 37 transitions, 120 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:50:47,973 INFO L231 Difference]: Finished difference. Result has 39 places, 34 transitions, 72 flow [2023-08-31 21:50:47,975 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=72, PETRI_PLACES=39, PETRI_TRANSITIONS=34} [2023-08-31 21:50:47,977 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -33 predicate places. [2023-08-31 21:50:47,979 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 34 transitions, 72 flow [2023-08-31 21:50:47,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 199.5) internal successors, (399), 2 states have internal predecessors, (399), 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) [2023-08-31 21:50:47,979 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:47,980 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:50:47,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:50:47,981 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-08-31 21:50:47,987 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:47,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1786820169, now seen corresponding path program 1 times [2023-08-31 21:50:47,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:47,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668853330] [2023-08-31 21:50:47,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:47,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:48,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:48,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668853330] [2023-08-31 21:50:48,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668853330] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:48,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:48,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:50:48,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840614818] [2023-08-31 21:50:48,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:48,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:50:48,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:48,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:50:48,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:50:48,140 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 443 [2023-08-31 21:50:48,140 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 34 transitions, 72 flow. Second operand has 3 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) [2023-08-31 21:50:48,141 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:48,141 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 443 [2023-08-31 21:50:48,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:48,196 INFO L130 PetriNetUnfolder]: 336/618 cut-off events. [2023-08-31 21:50:48,197 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2023-08-31 21:50:48,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1167 conditions, 618 events. 336/618 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2609 event pairs, 269 based on Foata normal form. 0/520 useless extension candidates. Maximal degree in co-relation 1164. Up to 515 conditions per place. [2023-08-31 21:50:48,199 INFO L137 encePairwiseOnDemand]: 440/443 looper letters, 19 selfloop transitions, 1 changer transitions 0/32 dead transitions. [2023-08-31 21:50:48,199 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 32 transitions, 108 flow [2023-08-31 21:50:48,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:50:48,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:50:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 580 transitions. [2023-08-31 21:50:48,201 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.436418359668924 [2023-08-31 21:50:48,201 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 580 transitions. [2023-08-31 21:50:48,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 580 transitions. [2023-08-31 21:50:48,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:48,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 580 transitions. [2023-08-31 21:50:48,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 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) [2023-08-31 21:50:48,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 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) [2023-08-31 21:50:48,206 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 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) [2023-08-31 21:50:48,206 INFO L175 Difference]: Start difference. First operand has 39 places, 34 transitions, 72 flow. Second operand 3 states and 580 transitions. [2023-08-31 21:50:48,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 32 transitions, 108 flow [2023-08-31 21:50:48,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 32 transitions, 108 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:50:48,207 INFO L231 Difference]: Finished difference. Result has 36 places, 32 transitions, 70 flow [2023-08-31 21:50:48,207 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=36, PETRI_TRANSITIONS=32} [2023-08-31 21:50:48,207 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -36 predicate places. [2023-08-31 21:50:48,207 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 32 transitions, 70 flow [2023-08-31 21:50:48,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2023-08-31 21:50:48,208 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:48,208 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:50:48,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:50:48,208 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-08-31 21:50:48,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:48,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1661245140, now seen corresponding path program 1 times [2023-08-31 21:50:48,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:48,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419751869] [2023-08-31 21:50:48,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:48,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:48,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:48,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419751869] [2023-08-31 21:50:48,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419751869] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:48,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:48,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:50:48,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203828643] [2023-08-31 21:50:48,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:48,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:50:48,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:48,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:50:48,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:50:48,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 443 [2023-08-31 21:50:48,673 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 32 transitions, 70 flow. Second operand has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 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) [2023-08-31 21:50:48,673 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:48,673 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 443 [2023-08-31 21:50:48,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:48,839 INFO L130 PetriNetUnfolder]: 505/746 cut-off events. [2023-08-31 21:50:48,840 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:50:48,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1459 conditions, 746 events. 505/746 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3102 event pairs, 56 based on Foata normal form. 0/620 useless extension candidates. Maximal degree in co-relation 1455. Up to 230 conditions per place. [2023-08-31 21:50:48,842 INFO L137 encePairwiseOnDemand]: 438/443 looper letters, 41 selfloop transitions, 4 changer transitions 0/55 dead transitions. [2023-08-31 21:50:48,843 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 55 transitions, 206 flow [2023-08-31 21:50:48,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:50:48,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:50:48,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1162 transitions. [2023-08-31 21:50:48,845 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43717080511662904 [2023-08-31 21:50:48,845 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1162 transitions. [2023-08-31 21:50:48,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1162 transitions. [2023-08-31 21:50:48,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:48,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1162 transitions. [2023-08-31 21:50:48,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 193.66666666666666) internal successors, (1162), 6 states have internal predecessors, (1162), 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) [2023-08-31 21:50:48,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 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) [2023-08-31 21:50:48,851 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 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) [2023-08-31 21:50:48,851 INFO L175 Difference]: Start difference. First operand has 36 places, 32 transitions, 70 flow. Second operand 6 states and 1162 transitions. [2023-08-31 21:50:48,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 55 transitions, 206 flow [2023-08-31 21:50:48,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 55 transitions, 205 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:50:48,853 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 75 flow [2023-08-31 21:50:48,853 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=75, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2023-08-31 21:50:48,854 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -33 predicate places. [2023-08-31 21:50:48,854 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 75 flow [2023-08-31 21:50:48,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 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) [2023-08-31 21:50:48,854 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:48,855 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] [2023-08-31 21:50:48,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:50:48,855 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-08-31 21:50:48,855 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:48,855 INFO L85 PathProgramCache]: Analyzing trace with hash 769745030, now seen corresponding path program 1 times [2023-08-31 21:50:48,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:48,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561330111] [2023-08-31 21:50:48,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:48,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:49,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:49,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561330111] [2023-08-31 21:50:49,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561330111] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:49,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:49,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:50:49,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225628468] [2023-08-31 21:50:49,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:49,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:50:49,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:49,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:50:49,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:50:49,301 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 443 [2023-08-31 21:50:49,302 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 75 flow. Second operand has 6 states, 6 states have (on average 188.5) internal successors, (1131), 6 states have internal predecessors, (1131), 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) [2023-08-31 21:50:49,302 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:49,302 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 443 [2023-08-31 21:50:49,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:49,451 INFO L130 PetriNetUnfolder]: 253/440 cut-off events. [2023-08-31 21:50:49,452 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2023-08-31 21:50:49,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 889 conditions, 440 events. 253/440 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1887 event pairs, 109 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 885. Up to 283 conditions per place. [2023-08-31 21:50:49,452 INFO L137 encePairwiseOnDemand]: 438/443 looper letters, 0 selfloop transitions, 0 changer transitions 42/42 dead transitions. [2023-08-31 21:50:49,452 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 42 transitions, 163 flow [2023-08-31 21:50:49,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:50:49,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:50:49,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1150 transitions. [2023-08-31 21:50:49,455 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4326561324303988 [2023-08-31 21:50:49,455 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1150 transitions. [2023-08-31 21:50:49,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1150 transitions. [2023-08-31 21:50:49,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:49,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1150 transitions. [2023-08-31 21:50:49,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.66666666666666) internal successors, (1150), 6 states have internal predecessors, (1150), 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) [2023-08-31 21:50:49,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 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) [2023-08-31 21:50:49,461 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 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) [2023-08-31 21:50:49,461 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 75 flow. Second operand 6 states and 1150 transitions. [2023-08-31 21:50:49,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 42 transitions, 163 flow [2023-08-31 21:50:49,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 42 transitions, 156 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:50:49,462 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2023-08-31 21:50:49,462 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2023-08-31 21:50:49,463 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -33 predicate places. [2023-08-31 21:50:49,463 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2023-08-31 21:50:49,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.5) internal successors, (1131), 6 states have internal predecessors, (1131), 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) [2023-08-31 21:50:49,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2023-08-31 21:50:49,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2023-08-31 21:50:49,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2023-08-31 21:50:49,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2023-08-31 21:50:49,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2023-08-31 21:50:49,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2023-08-31 21:50:49,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2023-08-31 21:50:49,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2023-08-31 21:50:49,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2023-08-31 21:50:49,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2023-08-31 21:50:49,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2023-08-31 21:50:49,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2023-08-31 21:50:49,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2023-08-31 21:50:49,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2023-08-31 21:50:49,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2023-08-31 21:50:49,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2023-08-31 21:50:49,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2023-08-31 21:50:49,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2023-08-31 21:50:49,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2023-08-31 21:50:49,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2023-08-31 21:50:49,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2023-08-31 21:50:49,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2023-08-31 21:50:49,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2023-08-31 21:50:49,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2023-08-31 21:50:49,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2023-08-31 21:50:49,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2023-08-31 21:50:49,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining) [2023-08-31 21:50:49,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining) [2023-08-31 21:50:49,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2023-08-31 21:50:49,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2023-08-31 21:50:49,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining) [2023-08-31 21:50:49,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining) [2023-08-31 21:50:49,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 52 remaining) [2023-08-31 21:50:49,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 52 remaining) [2023-08-31 21:50:49,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 52 remaining) [2023-08-31 21:50:49,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2023-08-31 21:50:49,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2023-08-31 21:50:49,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2023-08-31 21:50:49,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2023-08-31 21:50:49,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2023-08-31 21:50:49,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2023-08-31 21:50:49,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2023-08-31 21:50:49,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2023-08-31 21:50:49,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2023-08-31 21:50:49,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2023-08-31 21:50:49,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2023-08-31 21:50:49,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2023-08-31 21:50:49,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2023-08-31 21:50:49,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2023-08-31 21:50:49,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2023-08-31 21:50:49,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2023-08-31 21:50:49,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2023-08-31 21:50:49,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:50:49,474 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-31 21:50:49,478 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:50:49,478 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:50:49,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:50:49 BasicIcfg [2023-08-31 21:50:49,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:50:49,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:50:49,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:50:49,482 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:50:49,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:40" (3/4) ... [2023-08-31 21:50:49,485 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:50:49,488 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:50:49,488 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:50:49,489 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:50:49,493 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-08-31 21:50:49,493 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:50:49,494 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:50:49,494 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:50:49,531 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:50:49,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:50:49,533 INFO L158 Benchmark]: Toolchain (without parser) took 9835.66ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 62.3MB in the beginning and 54.9MB in the end (delta: 7.3MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2023-08-31 21:50:49,533 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:50:49,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.20ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 49.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:50:49,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.61ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:50:49,533 INFO L158 Benchmark]: Boogie Preprocessor took 47.79ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 44.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:50:49,534 INFO L158 Benchmark]: RCFGBuilder took 585.92ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 46.6MB in the end (delta: -1.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-08-31 21:50:49,534 INFO L158 Benchmark]: TraceAbstraction took 8883.91ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 46.1MB in the beginning and 59.2MB in the end (delta: -13.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-08-31 21:50:49,534 INFO L158 Benchmark]: Witness Printer took 49.73ms. Allocated memory is still 121.6MB. Free memory was 59.2MB in the beginning and 54.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:50:49,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.20ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 49.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.61ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 47.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.79ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 44.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 585.92ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 46.6MB in the end (delta: -1.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8883.91ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 46.1MB in the beginning and 59.2MB in the end (delta: -13.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 49.73ms. Allocated memory is still 121.6MB. Free memory was 59.2MB in the beginning and 54.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.9s, 212 PlacesBefore, 72 PlacesAfterwards, 211 TransitionsBefore, 67 TransitionsAfterwards, 3212 CoEnabledTransitionPairs, 9 FixpointIterations, 149 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 6 ConcurrentYvCompositions, 4 ChoiceCompositions, 212 TotalNumberOfCompositions, 19953 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5586, independent: 4977, independent conditional: 0, independent unconditional: 4977, dependent: 609, dependent conditional: 0, dependent unconditional: 609, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1550, independent: 1480, independent conditional: 0, independent unconditional: 1480, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5586, independent: 3497, independent conditional: 0, independent unconditional: 3497, dependent: 539, dependent conditional: 0, dependent unconditional: 539, unknown: 1550, unknown conditional: 0, unknown unconditional: 1550] , Statistics on independence cache: Total cache size (in pairs): 355, Positive cache size: 320, Positive conditional cache size: 0, Positive unconditional cache size: 320, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: 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 7 procedures, 268 locations, 52 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: 8.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 318 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 711 IncrementalHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 173 mSolverCounterUnsat, 4 mSDtfsCounter, 711 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:50:49,562 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