./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_03-priv_inv.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_03-priv_inv.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 f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 02:37:16,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:37:16,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:37:16,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:37:16,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:37:16,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:37:16,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:37:16,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:37:16,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:37:16,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:37:16,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:37:16,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:37:16,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:37:16,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:37:16,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:37:16,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:37:16,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:37:16,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:37:16,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:37:16,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:37:16,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:37:16,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:37:16,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:37:16,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:37:16,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:37:16,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:37:16,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:37:16,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:37:16,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:37:16,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:37:16,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:37:16,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:37:16,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:37:16,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:37:16,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:37:16,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:37:16,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:37:16,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:37:16,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:37:16,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:37:16,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:37:16,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:37:16,474 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:37:16,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:37:16,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:37:16,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:37:16,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:37:16,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:37:16,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:37:16,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:37:16,478 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:37:16,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:37:16,479 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:37:16,479 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:37:16,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:37:16,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:37:16,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:37:16,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:37:16,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:37:16,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:37:16,481 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:37:16,481 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:37:16,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:37:16,481 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:37:16,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:37:16,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:37:16,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:37:16,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:37:16,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:37:16,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:37:16,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:37:16,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:37:16,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:37:16,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:37:16,484 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:37:16,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:37:16,484 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:37:16,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:37:16,484 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:37:16,484 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:37:16,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:37:16,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:37:16,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:37:16,807 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:37:16,807 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:37:16,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_03-priv_inv.i [2023-08-29 02:37:18,061 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:37:18,341 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:37:18,342 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_03-priv_inv.i [2023-08-29 02:37:18,368 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/565582021/1bd957a74ddc4127b4c821953b01d3c8/FLAGf3cf18317 [2023-08-29 02:37:18,378 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/565582021/1bd957a74ddc4127b4c821953b01d3c8 [2023-08-29 02:37:18,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:37:18,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:37:18,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:37:18,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:37:18,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:37:18,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:37:18" (1/1) ... [2023-08-29 02:37:18,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459ce6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18, skipping insertion in model container [2023-08-29 02:37:18,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:37:18" (1/1) ... [2023-08-29 02:37:18,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:37:18,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:37:18,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:37:18,736 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:37:18,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:37:18,829 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:37:18,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18 WrapperNode [2023-08-29 02:37:18,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:37:18,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:37:18,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:37:18,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:37:18,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18" (1/1) ... [2023-08-29 02:37:18,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18" (1/1) ... [2023-08-29 02:37:18,909 INFO L138 Inliner]: procedures = 165, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 83 [2023-08-29 02:37:18,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:37:18,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:37:18,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:37:18,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:37:18,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18" (1/1) ... [2023-08-29 02:37:18,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18" (1/1) ... [2023-08-29 02:37:18,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18" (1/1) ... [2023-08-29 02:37:18,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18" (1/1) ... [2023-08-29 02:37:18,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18" (1/1) ... [2023-08-29 02:37:18,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18" (1/1) ... [2023-08-29 02:37:18,957 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18" (1/1) ... [2023-08-29 02:37:18,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18" (1/1) ... [2023-08-29 02:37:18,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:37:18,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:37:18,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:37:18,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:37:18,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18" (1/1) ... [2023-08-29 02:37:18,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:37:18,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:37:19,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 02:37:19,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 02:37:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 02:37:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:37:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 02:37:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 02:37:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:37:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 02:37:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 02:37:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:37:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 02:37:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:37:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:37:19,046 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 02:37:19,173 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:37:19,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:37:19,401 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:37:19,408 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:37:19,408 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 02:37:19,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:37:19 BoogieIcfgContainer [2023-08-29 02:37:19,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:37:19,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:37:19,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:37:19,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:37:19,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:37:18" (1/3) ... [2023-08-29 02:37:19,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd3b281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:37:19, skipping insertion in model container [2023-08-29 02:37:19,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:37:18" (2/3) ... [2023-08-29 02:37:19,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd3b281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:37:19, skipping insertion in model container [2023-08-29 02:37:19,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:37:19" (3/3) ... [2023-08-29 02:37:19,418 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_03-priv_inv.i [2023-08-29 02:37:19,429 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:37:19,437 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:37:19,438 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-08-29 02:37:19,438 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:37:19,507 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 02:37:19,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 110 transitions, 228 flow [2023-08-29 02:37:19,584 INFO L130 PetriNetUnfolder]: 3/109 cut-off events. [2023-08-29 02:37:19,585 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 02:37:19,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 109 events. 3/109 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2023-08-29 02:37:19,590 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 110 transitions, 228 flow [2023-08-29 02:37:19,594 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 102 transitions, 207 flow [2023-08-29 02:37:19,597 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:37:19,606 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 102 transitions, 207 flow [2023-08-29 02:37:19,609 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 102 transitions, 207 flow [2023-08-29 02:37:19,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 102 transitions, 207 flow [2023-08-29 02:37:19,640 INFO L130 PetriNetUnfolder]: 3/102 cut-off events. [2023-08-29 02:37:19,640 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:37:19,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 102 events. 3/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2023-08-29 02:37:19,642 INFO L119 LiptonReduction]: Number of co-enabled transitions 1178 [2023-08-29 02:37:22,857 INFO L134 LiptonReduction]: Checked pairs total: 6047 [2023-08-29 02:37:22,858 INFO L136 LiptonReduction]: Total number of compositions: 85 [2023-08-29 02:37:22,871 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:37:22,877 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;@2afad094, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:37:22,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-08-29 02:37:22,878 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 02:37:22,879 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:37:22,879 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:37:22,879 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 02:37:22,880 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:37:22,884 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:37:22,884 INFO L85 PathProgramCache]: Analyzing trace with hash 366, now seen corresponding path program 1 times [2023-08-29 02:37:22,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:37:22,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989831789] [2023-08-29 02:37:22,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:37:22,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:37:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:37:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:37:22,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:37:22,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989831789] [2023-08-29 02:37:22,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989831789] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:37:22,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:37:22,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 02:37:22,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245036498] [2023-08-29 02:37:22,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:37:22,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 02:37:22,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:37:23,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 02:37:23,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 02:37:23,013 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 195 [2023-08-29 02:37:23,015 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 63 flow. Second operand has 2 states, 2 states have (on average 106.5) internal successors, (213), 2 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,015 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:37:23,015 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 195 [2023-08-29 02:37:23,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:37:23,088 INFO L130 PetriNetUnfolder]: 41/131 cut-off events. [2023-08-29 02:37:23,089 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:37:23,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 131 events. 41/131 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 510 event pairs, 32 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 214. Up to 88 conditions per place. [2023-08-29 02:37:23,093 INFO L137 encePairwiseOnDemand]: 193/195 looper letters, 15 selfloop transitions, 0 changer transitions 0/28 dead transitions. [2023-08-29 02:37:23,093 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 28 transitions, 89 flow [2023-08-29 02:37:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 02:37:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 02:37:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 229 transitions. [2023-08-29 02:37:23,107 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5871794871794872 [2023-08-29 02:37:23,108 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 229 transitions. [2023-08-29 02:37:23,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 229 transitions. [2023-08-29 02:37:23,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:37:23,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 229 transitions. [2023-08-29 02:37:23,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 114.5) internal successors, (229), 2 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,123 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,125 INFO L175 Difference]: Start difference. First operand has 33 places, 30 transitions, 63 flow. Second operand 2 states and 229 transitions. [2023-08-29 02:37:23,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 28 transitions, 89 flow [2023-08-29 02:37:23,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 28 transitions, 88 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:37:23,129 INFO L231 Difference]: Finished difference. Result has 31 places, 28 transitions, 58 flow [2023-08-29 02:37:23,131 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=58, PETRI_PLACES=31, PETRI_TRANSITIONS=28} [2023-08-29 02:37:23,134 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -2 predicate places. [2023-08-29 02:37:23,134 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 28 transitions, 58 flow [2023-08-29 02:37:23,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 106.5) internal successors, (213), 2 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,135 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:37:23,135 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 02:37:23,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 02:37:23,136 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:37:23,137 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:37:23,138 INFO L85 PathProgramCache]: Analyzing trace with hash 346643753, now seen corresponding path program 1 times [2023-08-29 02:37:23,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:37:23,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911705698] [2023-08-29 02:37:23,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:37:23,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:37:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:37:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:37:23,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:37:23,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911705698] [2023-08-29 02:37:23,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911705698] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:37:23,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:37:23,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:37:23,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771703685] [2023-08-29 02:37:23,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:37:23,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:37:23,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:37:23,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:37:23,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:37:23,323 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 195 [2023-08-29 02:37:23,325 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 28 transitions, 58 flow. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,326 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:37:23,326 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 195 [2023-08-29 02:37:23,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:37:23,394 INFO L130 PetriNetUnfolder]: 71/220 cut-off events. [2023-08-29 02:37:23,394 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:37:23,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 220 events. 71/220 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1012 event pairs, 24 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 384. Up to 87 conditions per place. [2023-08-29 02:37:23,400 INFO L137 encePairwiseOnDemand]: 185/195 looper letters, 26 selfloop transitions, 8 changer transitions 0/43 dead transitions. [2023-08-29 02:37:23,400 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 43 transitions, 156 flow [2023-08-29 02:37:23,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:37:23,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:37:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 318 transitions. [2023-08-29 02:37:23,405 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5435897435897435 [2023-08-29 02:37:23,406 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 318 transitions. [2023-08-29 02:37:23,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 318 transitions. [2023-08-29 02:37:23,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:37:23,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 318 transitions. [2023-08-29 02:37:23,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,411 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,411 INFO L175 Difference]: Start difference. First operand has 31 places, 28 transitions, 58 flow. Second operand 3 states and 318 transitions. [2023-08-29 02:37:23,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 43 transitions, 156 flow [2023-08-29 02:37:23,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 43 transitions, 156 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 02:37:23,414 INFO L231 Difference]: Finished difference. Result has 35 places, 35 transitions, 122 flow [2023-08-29 02:37:23,414 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=35, PETRI_TRANSITIONS=35} [2023-08-29 02:37:23,415 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 2 predicate places. [2023-08-29 02:37:23,415 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 35 transitions, 122 flow [2023-08-29 02:37:23,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:37:23,416 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 02:37:23,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 02:37:23,417 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:37:23,420 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:37:23,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2137918636, now seen corresponding path program 1 times [2023-08-29 02:37:23,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:37:23,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604037372] [2023-08-29 02:37:23,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:37:23,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:37:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:37:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:37:23,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:37:23,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604037372] [2023-08-29 02:37:23,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604037372] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:37:23,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:37:23,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:37:23,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751056040] [2023-08-29 02:37:23,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:37:23,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:37:23,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:37:23,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:37:23,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:37:23,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 195 [2023-08-29 02:37:23,523 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 35 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,524 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:37:23,524 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 195 [2023-08-29 02:37:23,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:37:23,579 INFO L130 PetriNetUnfolder]: 81/239 cut-off events. [2023-08-29 02:37:23,579 INFO L131 PetriNetUnfolder]: For 116/124 co-relation queries the response was YES. [2023-08-29 02:37:23,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 546 conditions, 239 events. 81/239 cut-off events. For 116/124 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1128 event pairs, 35 based on Foata normal form. 2/212 useless extension candidates. Maximal degree in co-relation 541. Up to 141 conditions per place. [2023-08-29 02:37:23,584 INFO L137 encePairwiseOnDemand]: 189/195 looper letters, 23 selfloop transitions, 8 changer transitions 0/44 dead transitions. [2023-08-29 02:37:23,584 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 44 transitions, 218 flow [2023-08-29 02:37:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:37:23,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:37:23,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2023-08-29 02:37:23,586 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5299145299145299 [2023-08-29 02:37:23,586 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 310 transitions. [2023-08-29 02:37:23,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 310 transitions. [2023-08-29 02:37:23,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:37:23,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 310 transitions. [2023-08-29 02:37:23,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,590 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,590 INFO L175 Difference]: Start difference. First operand has 35 places, 35 transitions, 122 flow. Second operand 3 states and 310 transitions. [2023-08-29 02:37:23,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 44 transitions, 218 flow [2023-08-29 02:37:23,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 44 transitions, 196 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 02:37:23,594 INFO L231 Difference]: Finished difference. Result has 37 places, 41 transitions, 174 flow [2023-08-29 02:37:23,594 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=37, PETRI_TRANSITIONS=41} [2023-08-29 02:37:23,595 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 4 predicate places. [2023-08-29 02:37:23,596 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 41 transitions, 174 flow [2023-08-29 02:37:23,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,596 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:37:23,596 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:37:23,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 02:37:23,597 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:37:23,597 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:37:23,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1776518034, now seen corresponding path program 1 times [2023-08-29 02:37:23,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:37:23,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401566500] [2023-08-29 02:37:23,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:37:23,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:37:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:37:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:37:23,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:37:23,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401566500] [2023-08-29 02:37:23,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401566500] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:37:23,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:37:23,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 02:37:23,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289644330] [2023-08-29 02:37:23,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:37:23,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:37:23,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:37:23,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:37:23,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:37:23,712 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195 [2023-08-29 02:37:23,713 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 41 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,713 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:37:23,713 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195 [2023-08-29 02:37:23,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:37:23,745 INFO L130 PetriNetUnfolder]: 25/115 cut-off events. [2023-08-29 02:37:23,746 INFO L131 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2023-08-29 02:37:23,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 115 events. 25/115 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 417 event pairs, 4 based on Foata normal form. 9/119 useless extension candidates. Maximal degree in co-relation 281. Up to 64 conditions per place. [2023-08-29 02:37:23,747 INFO L137 encePairwiseOnDemand]: 190/195 looper letters, 20 selfloop transitions, 5 changer transitions 0/38 dead transitions. [2023-08-29 02:37:23,747 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 38 transitions, 200 flow [2023-08-29 02:37:23,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:37:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:37:23,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2023-08-29 02:37:23,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5470085470085471 [2023-08-29 02:37:23,754 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 320 transitions. [2023-08-29 02:37:23,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 320 transitions. [2023-08-29 02:37:23,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:37:23,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 320 transitions. [2023-08-29 02:37:23,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,762 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,763 INFO L175 Difference]: Start difference. First operand has 37 places, 41 transitions, 174 flow. Second operand 3 states and 320 transitions. [2023-08-29 02:37:23,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 38 transitions, 200 flow [2023-08-29 02:37:23,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 38 transitions, 180 flow, removed 5 selfloop flow, removed 2 redundant places. [2023-08-29 02:37:23,767 INFO L231 Difference]: Finished difference. Result has 36 places, 35 transitions, 128 flow [2023-08-29 02:37:23,767 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=36, PETRI_TRANSITIONS=35} [2023-08-29 02:37:23,769 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 3 predicate places. [2023-08-29 02:37:23,769 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 35 transitions, 128 flow [2023-08-29 02:37:23,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,769 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:37:23,770 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:37:23,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 02:37:23,770 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:37:23,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:37:23,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1959812252, now seen corresponding path program 1 times [2023-08-29 02:37:23,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:37:23,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773166180] [2023-08-29 02:37:23,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:37:23,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:37:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:37:23,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:37:23,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:37:23,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773166180] [2023-08-29 02:37:23,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773166180] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:37:23,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:37:23,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:37:23,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097573985] [2023-08-29 02:37:23,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:37:23,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:37:23,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:37:23,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:37:23,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:37:23,842 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 195 [2023-08-29 02:37:23,842 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 35 transitions, 128 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,842 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:37:23,843 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 195 [2023-08-29 02:37:23,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:37:23,873 INFO L130 PetriNetUnfolder]: 0/36 cut-off events. [2023-08-29 02:37:23,873 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 02:37:23,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 36 events. 0/36 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2023-08-29 02:37:23,873 INFO L137 encePairwiseOnDemand]: 191/195 looper letters, 10 selfloop transitions, 3 changer transitions 3/20 dead transitions. [2023-08-29 02:37:23,874 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 20 transitions, 102 flow [2023-08-29 02:37:23,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:37:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:37:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 307 transitions. [2023-08-29 02:37:23,875 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5247863247863248 [2023-08-29 02:37:23,875 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 307 transitions. [2023-08-29 02:37:23,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 307 transitions. [2023-08-29 02:37:23,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:37:23,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 307 transitions. [2023-08-29 02:37:23,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,878 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,879 INFO L175 Difference]: Start difference. First operand has 36 places, 35 transitions, 128 flow. Second operand 3 states and 307 transitions. [2023-08-29 02:37:23,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 20 transitions, 102 flow [2023-08-29 02:37:23,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 20 transitions, 90 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-08-29 02:37:23,880 INFO L231 Difference]: Finished difference. Result has 28 places, 17 transitions, 55 flow [2023-08-29 02:37:23,880 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=55, PETRI_PLACES=28, PETRI_TRANSITIONS=17} [2023-08-29 02:37:23,881 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -5 predicate places. [2023-08-29 02:37:23,881 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 17 transitions, 55 flow [2023-08-29 02:37:23,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,882 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:37:23,882 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:37:23,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 02:37:23,882 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:37:23,883 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:37:23,883 INFO L85 PathProgramCache]: Analyzing trace with hash 407299515, now seen corresponding path program 1 times [2023-08-29 02:37:23,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:37:23,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893987051] [2023-08-29 02:37:23,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:37:23,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:37:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:37:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:37:23,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:37:23,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893987051] [2023-08-29 02:37:23,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893987051] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:37:23,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:37:23,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:37:23,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019008677] [2023-08-29 02:37:23,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:37:23,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:37:23,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:37:23,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:37:23,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:37:23,931 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 195 [2023-08-29 02:37:23,932 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 17 transitions, 55 flow. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,932 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:37:23,932 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 195 [2023-08-29 02:37:23,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:37:23,951 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2023-08-29 02:37:23,952 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 02:37:23,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 25 events. 0/25 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 18 event pairs, 0 based on Foata normal form. 2/27 useless extension candidates. Maximal degree in co-relation 0. Up to 16 conditions per place. [2023-08-29 02:37:23,952 INFO L137 encePairwiseOnDemand]: 193/195 looper letters, 0 selfloop transitions, 0 changer transitions 16/16 dead transitions. [2023-08-29 02:37:23,952 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 16 transitions, 75 flow [2023-08-29 02:37:23,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:37:23,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:37:23,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2023-08-29 02:37:23,954 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5076923076923077 [2023-08-29 02:37:23,954 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 297 transitions. [2023-08-29 02:37:23,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 297 transitions. [2023-08-29 02:37:23,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:37:23,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 297 transitions. [2023-08-29 02:37:23,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,957 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,957 INFO L175 Difference]: Start difference. First operand has 28 places, 17 transitions, 55 flow. Second operand 3 states and 297 transitions. [2023-08-29 02:37:23,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 16 transitions, 75 flow [2023-08-29 02:37:23,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 16 transitions, 59 flow, removed 1 selfloop flow, removed 4 redundant places. [2023-08-29 02:37:23,958 INFO L231 Difference]: Finished difference. Result has 23 places, 0 transitions, 0 flow [2023-08-29 02:37:23,958 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=23, PETRI_TRANSITIONS=0} [2023-08-29 02:37:23,959 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -10 predicate places. [2023-08-29 02:37:23,959 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 0 transitions, 0 flow [2023-08-29 02:37:23,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:37:23,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-08-29 02:37:23,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-08-29 02:37:23,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-08-29 02:37:23,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2023-08-29 02:37:23,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-08-29 02:37:23,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-08-29 02:37:23,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-08-29 02:37:23,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-08-29 02:37:23,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-08-29 02:37:23,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-08-29 02:37:23,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 02:37:23,965 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-29 02:37:23,969 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:37:23,969 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:37:23,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:37:23 BasicIcfg [2023-08-29 02:37:23,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:37:23,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:37:23,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:37:23,974 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:37:23,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:37:19" (3/4) ... [2023-08-29 02:37:23,976 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 02:37:23,981 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 02:37:23,985 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-08-29 02:37:23,985 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-08-29 02:37:23,985 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 02:37:23,985 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 02:37:23,986 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 02:37:24,014 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 02:37:24,014 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:37:24,015 INFO L158 Benchmark]: Toolchain (without parser) took 5632.95ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 51.7MB in the beginning and 50.6MB in the end (delta: 1.1MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-08-29 02:37:24,015 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:37:24,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.53ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 52.6MB in the end (delta: -953.3kB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-08-29 02:37:24,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.82ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 50.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 02:37:24,016 INFO L158 Benchmark]: Boogie Preprocessor took 53.23ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 48.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:37:24,016 INFO L158 Benchmark]: RCFGBuilder took 445.71ms. Allocated memory is still 75.5MB. Free memory was 48.9MB in the beginning and 33.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 02:37:24,016 INFO L158 Benchmark]: TraceAbstraction took 4560.96ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 33.5MB in the beginning and 53.9MB in the end (delta: -20.5MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2023-08-29 02:37:24,017 INFO L158 Benchmark]: Witness Printer took 40.82ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 50.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 02:37:24,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.53ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 52.6MB in the end (delta: -953.3kB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.82ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 50.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.23ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 48.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 445.71ms. Allocated memory is still 75.5MB. Free memory was 48.9MB in the beginning and 33.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4560.96ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 33.5MB in the beginning and 53.9MB in the end (delta: -20.5MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Witness Printer took 40.82ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 50.6MB in the end (delta: 3.3MB). 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: 3.2s, 103 PlacesBefore, 33 PlacesAfterwards, 102 TransitionsBefore, 30 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 7 FixpointIterations, 56 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 2 ConcurrentYvCompositions, 2 ChoiceCompositions, 85 TotalNumberOfCompositions, 6047 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1877, independent: 1507, independent conditional: 0, independent unconditional: 1507, dependent: 370, dependent conditional: 0, dependent unconditional: 370, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 611, independent: 561, independent conditional: 0, independent unconditional: 561, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1877, independent: 946, independent conditional: 0, independent unconditional: 946, dependent: 320, dependent conditional: 0, dependent unconditional: 320, unknown: 611, unknown conditional: 0, unknown unconditional: 611] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 79, Positive conditional cache size: 0, Positive unconditional cache size: 79, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 694]: 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, 128 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 177 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 252 IncrementalHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 41 mSDtfsCounter, 252 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=174occurred in iteration=3, 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, 0.2s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 02:37:24,036 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