./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c 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 /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 811283da42f041f661ad39ef0db24fe32e892a6fe6ea5c83dd87a01de44d8628 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 15:48:54,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 15:48:54,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 15:48:54,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 15:48:54,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 15:48:54,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 15:48:54,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 15:48:54,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 15:48:55,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 15:48:55,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 15:48:55,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 15:48:55,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 15:48:55,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 15:48:55,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 15:48:55,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 15:48:55,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 15:48:55,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 15:48:55,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 15:48:55,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 15:48:55,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 15:48:55,024 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 15:48:55,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 15:48:55,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 15:48:55,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 15:48:55,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 15:48:55,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 15:48:55,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 15:48:55,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 15:48:55,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 15:48:55,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 15:48:55,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 15:48:55,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 15:48:55,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 15:48:55,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 15:48:55,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 15:48:55,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 15:48:55,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 15:48:55,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 15:48:55,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 15:48:55,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 15:48:55,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 15:48:55,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 15:48:55,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 15:48:55,078 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 15:48:55,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 15:48:55,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 15:48:55,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 15:48:55,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 15:48:55,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 15:48:55,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 15:48:55,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 15:48:55,081 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 15:48:55,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 15:48:55,082 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 15:48:55,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 15:48:55,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 15:48:55,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 15:48:55,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 15:48:55,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 15:48:55,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 15:48:55,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 15:48:55,083 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 15:48:55,084 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 15:48:55,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 15:48:55,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 15:48:55,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 15:48:55,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 15:48:55,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 15:48:55,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 15:48:55,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:48:55,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 15:48:55,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 15:48:55,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 15:48:55,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 15:48:55,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 15:48:55,087 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 15:48:55,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 15:48:55,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 15:48:55,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811283da42f041f661ad39ef0db24fe32e892a6fe6ea5c83dd87a01de44d8628 [2022-04-18 15:48:55,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 15:48:55,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 15:48:55,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 15:48:55,344 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 15:48:55,345 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 15:48:55,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i [2022-04-18 15:48:55,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a22d01b18/f79c6d7ec6494b5faf3207a72ba062a0/FLAG0f32bd53a [2022-04-18 15:48:55,806 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 15:48:55,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i [2022-04-18 15:48:55,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a22d01b18/f79c6d7ec6494b5faf3207a72ba062a0/FLAG0f32bd53a [2022-04-18 15:48:55,831 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a22d01b18/f79c6d7ec6494b5faf3207a72ba062a0 [2022-04-18 15:48:55,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 15:48:55,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 15:48:55,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 15:48:55,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 15:48:55,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 15:48:55,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:48:55" (1/1) ... [2022-04-18 15:48:55,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763f43f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:55, skipping insertion in model container [2022-04-18 15:48:55,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:48:55" (1/1) ... [2022-04-18 15:48:55,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 15:48:55,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 15:48:56,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i[1096,1109] [2022-04-18 15:48:56,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:48:56,167 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 15:48:56,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i[1096,1109] [2022-04-18 15:48:56,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:48:56,256 INFO L208 MainTranslator]: Completed translation [2022-04-18 15:48:56,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:56 WrapperNode [2022-04-18 15:48:56,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 15:48:56,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 15:48:56,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 15:48:56,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 15:48:56,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:56" (1/1) ... [2022-04-18 15:48:56,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:56" (1/1) ... [2022-04-18 15:48:56,295 INFO L137 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2022-04-18 15:48:56,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 15:48:56,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 15:48:56,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 15:48:56,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 15:48:56,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:56" (1/1) ... [2022-04-18 15:48:56,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:56" (1/1) ... [2022-04-18 15:48:56,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:56" (1/1) ... [2022-04-18 15:48:56,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:56" (1/1) ... [2022-04-18 15:48:56,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:56" (1/1) ... [2022-04-18 15:48:56,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:56" (1/1) ... [2022-04-18 15:48:56,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:56" (1/1) ... [2022-04-18 15:48:56,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 15:48:56,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 15:48:56,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 15:48:56,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 15:48:56,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:56" (1/1) ... [2022-04-18 15:48:56,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:48:56,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:48:56,364 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) [2022-04-18 15:48:56,373 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 [2022-04-18 15:48:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 15:48:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 15:48:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 15:48:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 15:48:56,400 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-04-18 15:48:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-04-18 15:48:56,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 15:48:56,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 15:48:56,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 15:48:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 15:48:56,402 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 15:48:56,515 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 15:48:56,516 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 15:48:56,630 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 15:48:56,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 15:48:56,637 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 15:48:56,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:48:56 BoogieIcfgContainer [2022-04-18 15:48:56,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 15:48:56,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 15:48:56,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 15:48:56,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 15:48:56,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:48:55" (1/3) ... [2022-04-18 15:48:56,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fef19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:48:56, skipping insertion in model container [2022-04-18 15:48:56,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:48:56" (2/3) ... [2022-04-18 15:48:56,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fef19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:48:56, skipping insertion in model container [2022-04-18 15:48:56,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:48:56" (3/3) ... [2022-04-18 15:48:56,646 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_58-singlethreaded-lock_true.i [2022-04-18 15:48:56,650 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 15:48:56,650 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 15:48:56,650 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-04-18 15:48:56,650 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 15:48:56,678 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 15:48:56,717 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 15:48:56,754 INFO L340 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 [2022-04-18 15:48:56,755 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-04-18 15:48:56,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 72 transitions, 149 flow [2022-04-18 15:48:56,815 INFO L129 PetriNetUnfolder]: 1/71 cut-off events. [2022-04-18 15:48:56,822 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:48:56,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 1/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 13 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place. [2022-04-18 15:48:56,829 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 72 transitions, 149 flow [2022-04-18 15:48:56,834 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 55 transitions, 113 flow [2022-04-18 15:48:56,843 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2022-04-18 15:48:56,851 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:48:56,851 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:56,852 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:48:56,852 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 15:48:56,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:56,860 INFO L85 PathProgramCache]: Analyzing trace with hash 947823507, now seen corresponding path program 1 times [2022-04-18 15:48:56,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:56,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148955084] [2022-04-18 15:48:56,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:56,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:57,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:57,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148955084] [2022-04-18 15:48:57,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148955084] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:57,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:57,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:48:57,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193475847] [2022-04-18 15:48:57,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:57,129 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:57,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:57,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:57,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:57,167 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 72 [2022-04-18 15:48:57,171 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 55 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2022-04-18 15:48:57,171 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:57,171 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 72 [2022-04-18 15:48:57,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:57,232 INFO L129 PetriNetUnfolder]: 0/54 cut-off events. [2022-04-18 15:48:57,232 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 15:48:57,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 54 events. 0/54 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 9 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2022-04-18 15:48:57,234 INFO L132 encePairwiseOnDemand]: 69/72 looper letters, 12 selfloop transitions, 2 changer transitions 0/54 dead transitions. [2022-04-18 15:48:57,234 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 54 transitions, 139 flow [2022-04-18 15:48:57,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:57,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:57,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 177 transitions. [2022-04-18 15:48:57,244 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8194444444444444 [2022-04-18 15:48:57,244 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 177 transitions. [2022-04-18 15:48:57,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 177 transitions. [2022-04-18 15:48:57,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:57,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 177 transitions. [2022-04-18 15:48:57,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2022-04-18 15:48:57,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2022-04-18 15:48:57,255 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2022-04-18 15:48:57,256 INFO L186 Difference]: Start difference. First operand has 59 places, 55 transitions, 113 flow. Second operand 3 states and 177 transitions. [2022-04-18 15:48:57,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 54 transitions, 139 flow [2022-04-18 15:48:57,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 54 transitions, 138 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 15:48:57,263 INFO L242 Difference]: Finished difference. Result has 59 places, 54 transitions, 114 flow [2022-04-18 15:48:57,265 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=59, PETRI_TRANSITIONS=54} [2022-04-18 15:48:57,268 INFO L335 CegarLoopForPetriNet]: 59 programPoint places, 0 predicate places. [2022-04-18 15:48:57,268 INFO L478 AbstractCegarLoop]: Abstraction has has 59 places, 54 transitions, 114 flow [2022-04-18 15:48:57,269 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2022-04-18 15:48:57,269 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:57,269 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:48:57,269 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 15:48:57,269 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 15:48:57,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:57,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1903661171, now seen corresponding path program 1 times [2022-04-18 15:48:57,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:57,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609506705] [2022-04-18 15:48:57,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:57,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:57,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:57,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609506705] [2022-04-18 15:48:57,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609506705] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:57,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:57,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:48:57,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419029080] [2022-04-18 15:48:57,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:57,345 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:57,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:57,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:57,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:57,349 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 72 [2022-04-18 15:48:57,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 54 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2022-04-18 15:48:57,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:57,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 72 [2022-04-18 15:48:57,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:57,393 INFO L129 PetriNetUnfolder]: 0/53 cut-off events. [2022-04-18 15:48:57,393 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 15:48:57,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 53 events. 0/53 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 8 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2022-04-18 15:48:57,395 INFO L132 encePairwiseOnDemand]: 69/72 looper letters, 11 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2022-04-18 15:48:57,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 53 transitions, 138 flow [2022-04-18 15:48:57,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:57,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:57,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2022-04-18 15:48:57,399 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2022-04-18 15:48:57,399 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 176 transitions. [2022-04-18 15:48:57,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 176 transitions. [2022-04-18 15:48:57,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:57,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 176 transitions. [2022-04-18 15:48:57,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2022-04-18 15:48:57,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2022-04-18 15:48:57,403 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2022-04-18 15:48:57,404 INFO L186 Difference]: Start difference. First operand has 59 places, 54 transitions, 114 flow. Second operand 3 states and 176 transitions. [2022-04-18 15:48:57,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 53 transitions, 138 flow [2022-04-18 15:48:57,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 53 transitions, 134 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:48:57,409 INFO L242 Difference]: Finished difference. Result has 58 places, 53 transitions, 112 flow [2022-04-18 15:48:57,409 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=58, PETRI_TRANSITIONS=53} [2022-04-18 15:48:57,410 INFO L335 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2022-04-18 15:48:57,414 INFO L478 AbstractCegarLoop]: Abstraction has has 58 places, 53 transitions, 112 flow [2022-04-18 15:48:57,414 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2022-04-18 15:48:57,415 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:57,415 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:48:57,415 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 15:48:57,415 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 15:48:57,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:57,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1156103317, now seen corresponding path program 1 times [2022-04-18 15:48:57,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:57,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625611168] [2022-04-18 15:48:57,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:57,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:57,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:57,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625611168] [2022-04-18 15:48:57,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625611168] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:57,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:57,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:48:57,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086068826] [2022-04-18 15:48:57,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:57,484 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:57,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:57,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:57,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:57,487 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 72 [2022-04-18 15:48:57,487 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 53 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2022-04-18 15:48:57,487 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:57,488 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 72 [2022-04-18 15:48:57,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:57,523 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2022-04-18 15:48:57,524 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 15:48:57,524 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 52 events. 0/52 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2022-04-18 15:48:57,525 INFO L132 encePairwiseOnDemand]: 69/72 looper letters, 10 selfloop transitions, 2 changer transitions 0/52 dead transitions. [2022-04-18 15:48:57,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 52 transitions, 134 flow [2022-04-18 15:48:57,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:57,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2022-04-18 15:48:57,529 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8101851851851852 [2022-04-18 15:48:57,529 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 175 transitions. [2022-04-18 15:48:57,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 175 transitions. [2022-04-18 15:48:57,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:57,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 175 transitions. [2022-04-18 15:48:57,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2022-04-18 15:48:57,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2022-04-18 15:48:57,534 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2022-04-18 15:48:57,535 INFO L186 Difference]: Start difference. First operand has 58 places, 53 transitions, 112 flow. Second operand 3 states and 175 transitions. [2022-04-18 15:48:57,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 52 transitions, 134 flow [2022-04-18 15:48:57,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 52 transitions, 130 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:48:57,538 INFO L242 Difference]: Finished difference. Result has 57 places, 52 transitions, 110 flow [2022-04-18 15:48:57,539 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=57, PETRI_TRANSITIONS=52} [2022-04-18 15:48:57,541 INFO L335 CegarLoopForPetriNet]: 59 programPoint places, -2 predicate places. [2022-04-18 15:48:57,541 INFO L478 AbstractCegarLoop]: Abstraction has has 57 places, 52 transitions, 110 flow [2022-04-18 15:48:57,541 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2022-04-18 15:48:57,541 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:48:57,541 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:48:57,542 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 15:48:57,542 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 15:48:57,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:48:57,544 INFO L85 PathProgramCache]: Analyzing trace with hash -131050351, now seen corresponding path program 1 times [2022-04-18 15:48:57,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:48:57,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707201054] [2022-04-18 15:48:57,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:48:57,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:48:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:48:57,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:48:57,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:48:57,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707201054] [2022-04-18 15:48:57,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707201054] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:48:57,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:48:57,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:48:57,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307028640] [2022-04-18 15:48:57,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:48:57,611 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:48:57,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:48:57,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:48:57,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:48:57,613 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 72 [2022-04-18 15:48:57,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 52 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2022-04-18 15:48:57,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:48:57,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 72 [2022-04-18 15:48:57,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:48:57,629 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2022-04-18 15:48:57,632 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 15:48:57,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 51 events. 0/51 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 1/52 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2022-04-18 15:48:57,633 INFO L132 encePairwiseOnDemand]: 70/72 looper letters, 0 selfloop transitions, 0 changer transitions 51/51 dead transitions. [2022-04-18 15:48:57,633 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 51 transitions, 124 flow [2022-04-18 15:48:57,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:48:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:48:57,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2022-04-18 15:48:57,634 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2022-04-18 15:48:57,635 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 180 transitions. [2022-04-18 15:48:57,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 180 transitions. [2022-04-18 15:48:57,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:48:57,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 180 transitions. [2022-04-18 15:48:57,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2022-04-18 15:48:57,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2022-04-18 15:48:57,639 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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) [2022-04-18 15:48:57,641 INFO L186 Difference]: Start difference. First operand has 57 places, 52 transitions, 110 flow. Second operand 3 states and 180 transitions. [2022-04-18 15:48:57,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 51 transitions, 124 flow [2022-04-18 15:48:57,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 51 transitions, 120 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 15:48:57,642 INFO L242 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2022-04-18 15:48:57,642 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0} [2022-04-18 15:48:57,643 INFO L335 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2022-04-18 15:48:57,644 INFO L478 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2022-04-18 15:48:57,644 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2022-04-18 15:48:57,646 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2022-04-18 15:48:57,651 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2022-04-18 15:48:57,652 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2022-04-18 15:48:57,652 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2022-04-18 15:48:57,652 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-04-18 15:48:57,652 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 15:48:57,656 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-04-18 15:48:57,661 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 15:48:57,661 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 15:48:57,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 03:48:57 BasicIcfg [2022-04-18 15:48:57,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 15:48:57,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 15:48:57,667 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 15:48:57,667 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 15:48:57,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:48:56" (3/4) ... [2022-04-18 15:48:57,669 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 15:48:57,673 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-04-18 15:48:57,676 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-04-18 15:48:57,676 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 15:48:57,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 15:48:57,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 15:48:57,702 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 15:48:57,702 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 15:48:57,703 INFO L158 Benchmark]: Toolchain (without parser) took 1868.45ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 47.9MB in the beginning and 46.2MB in the end (delta: 1.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2022-04-18 15:48:57,704 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory was 66.1MB in the beginning and 66.1MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 15:48:57,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.91ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 47.7MB in the beginning and 79.7MB in the end (delta: -32.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 15:48:57,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.74ms. Allocated memory is still 113.2MB. Free memory was 79.7MB in the beginning and 78.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 15:48:57,705 INFO L158 Benchmark]: Boogie Preprocessor took 32.71ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 76.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 15:48:57,705 INFO L158 Benchmark]: RCFGBuilder took 308.29ms. Allocated memory is still 113.2MB. Free memory was 76.6MB in the beginning and 65.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-04-18 15:48:57,706 INFO L158 Benchmark]: TraceAbstraction took 1025.80ms. Allocated memory is still 113.2MB. Free memory was 64.7MB in the beginning and 49.0MB in the end (delta: 15.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-04-18 15:48:57,706 INFO L158 Benchmark]: Witness Printer took 35.76ms. Allocated memory is still 113.2MB. Free memory was 49.0MB in the beginning and 46.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 15:48:57,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory was 66.1MB in the beginning and 66.1MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.91ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 47.7MB in the beginning and 79.7MB in the end (delta: -32.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.74ms. Allocated memory is still 113.2MB. Free memory was 79.7MB in the beginning and 78.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.71ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 76.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 308.29ms. Allocated memory is still 113.2MB. Free memory was 76.6MB in the beginning and 65.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1025.80ms. Allocated memory is still 113.2MB. Free memory was 64.7MB in the beginning and 49.0MB in the end (delta: 15.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 35.76ms. Allocated memory is still 113.2MB. Free memory was 49.0MB in the beginning and 46.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: 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, 77 locations, 5 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: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 15:48:57,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE