/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf -i ../../../trunk/examples/svcomp/pthread-divine/condvar.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:24:06,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:24:06,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:24:06,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 13:24:06,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:24:06,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:24:06,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:24:06,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2022-07-26 13:24:06,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:24:06,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:24:06,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:24:06,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:24:06,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:24:06,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:24:06,965 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:24:06,965 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:24:06,965 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:24:06,965 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:24:06,965 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:24:06,966 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:24:06,966 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:24:06,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:24:06,966 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:24:06,966 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:24:06,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:24:06,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:24:06,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:24:06,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:24:06,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:24:06,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:24:06,967 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:24:06,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:24:06,967 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:24:06,968 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:24:06,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:24:06,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:24:06,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:24:06,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:24:06,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:24:06,968 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-26 13:24:06,969 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:24:06,970 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:24:07,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:24:07,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:24:07,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:24:07,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:24:07,207 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:24:07,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/condvar.i [2022-07-26 13:24:07,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/243394bc0/88dc22932bfe48128d852600e5c2d7b3/FLAGa462605c3 [2022-07-26 13:24:07,733 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:24:07,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar.i [2022-07-26 13:24:07,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/243394bc0/88dc22932bfe48128d852600e5c2d7b3/FLAGa462605c3 [2022-07-26 13:24:08,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/243394bc0/88dc22932bfe48128d852600e5c2d7b3 [2022-07-26 13:24:08,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:24:08,088 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:24:08,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:24:08,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:24:08,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:24:08,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:24:08" (1/1) ... [2022-07-26 13:24:08,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723b84c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:24:08, skipping insertion in model container [2022-07-26 13:24:08,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:24:08" (1/1) ... [2022-07-26 13:24:08,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:24:08,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:24:08,290 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-26 13:24:08,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar.i[30458,30471] [2022-07-26 13:24:08,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:24:08,441 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:24:08,458 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-26 13:24:08,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar.i[30458,30471] [2022-07-26 13:24:08,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:24:08,547 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:24:08,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:24:08 WrapperNode [2022-07-26 13:24:08,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:24:08,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:24:08,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:24:08,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:24:08,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:24:08" (1/1) ... [2022-07-26 13:24:08,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:24:08" (1/1) ... [2022-07-26 13:24:08,615 INFO L137 Inliner]: procedures = 169, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-07-26 13:24:08,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:24:08,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:24:08,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:24:08,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:24:08,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:24:08" (1/1) ... [2022-07-26 13:24:08,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:24:08" (1/1) ... [2022-07-26 13:24:08,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:24:08" (1/1) ... [2022-07-26 13:24:08,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:24:08" (1/1) ... [2022-07-26 13:24:08,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:24:08" (1/1) ... [2022-07-26 13:24:08,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:24:08" (1/1) ... [2022-07-26 13:24:08,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:24:08" (1/1) ... [2022-07-26 13:24:08,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:24:08,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:24:08,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:24:08,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:24:08,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:24:08" (1/1) ... [2022-07-26 13:24:08,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:24:08,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:24:08,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:24:08,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-26 13:24:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:24:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:24:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-26 13:24:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:24:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:24:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:24:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:24:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-07-26 13:24:08,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-07-26 13:24:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:24:08,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:24:08,751 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 13:24:08,862 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:24:08,864 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:24:09,059 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:24:09,065 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:24:09,065 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-26 13:24:09,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:24:09 BoogieIcfgContainer [2022-07-26 13:24:09,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:24:09,068 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:24:09,068 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:24:09,072 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:24:09,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:24:09,073 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:24:08" (1/3) ... [2022-07-26 13:24:09,074 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19f4b231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:24:09, skipping insertion in model container [2022-07-26 13:24:09,074 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:24:09,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:24:08" (2/3) ... [2022-07-26 13:24:09,074 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19f4b231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:24:09, skipping insertion in model container [2022-07-26 13:24:09,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:24:09,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:24:09" (3/3) ... [2022-07-26 13:24:09,076 INFO L322 chiAutomizerObserver]: Analyzing ICFG condvar.i [2022-07-26 13:24:09,135 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-07-26 13:24:09,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 78 transitions, 164 flow [2022-07-26 13:24:09,188 INFO L129 PetriNetUnfolder]: 5/76 cut-off events. [2022-07-26 13:24:09,188 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-26 13:24:09,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 76 events. 5/76 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 56 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2022-07-26 13:24:09,192 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 78 transitions, 164 flow [2022-07-26 13:24:09,199 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 76 transitions, 158 flow [2022-07-26 13:24:09,208 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:24:09,208 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:24:09,208 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:24:09,208 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:24:09,209 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:24:09,209 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:24:09,209 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:24:09,209 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:24:09,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:24:09,281 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 89 [2022-07-26 13:24:09,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:24:09,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:24:09,290 INFO L150 hiAutomatonCegarLoop]: Counterexample stem 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] [2022-07-26 13:24:09,290 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-26 13:24:09,290 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 13:24:09,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 191 states, but on-demand construction may add more states [2022-07-26 13:24:09,301 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 89 [2022-07-26 13:24:09,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:24:09,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:24:09,302 INFO L150 hiAutomatonCegarLoop]: Counterexample stem 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] [2022-07-26 13:24:09,303 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-26 13:24:09,308 INFO L733 eck$LassoCheckResult]: Stem: 79#[ULTIMATE.startENTRY]don't care [153] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 82#[L-1]don't care [141] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 84#[L-1-1]don't care [162] L-1-1-->L-1-2: Formula: (= (select |v_#valid_1| 0) 0) InVars {#valid=|v_#valid_1|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[] 86#[L-1-2]don't care [166] L-1-2-->L696: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] 88#[L696]don't care [147] L696-->L696-1: Formula: (and (= (select |v_#valid_2| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_2|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_2|} AuxVars[] AssignedVars[] 90#[L696-1]don't care [139] L696-1-->L696-2: Formula: (= 48 (select (select |v_#memory_int_1| 1) 0)) InVars {#memory_int=|v_#memory_int_1|} OutVars{#memory_int=|v_#memory_int_1|} AuxVars[] AssignedVars[] 92#[L696-2]don't care [120] L696-2-->L696-3: Formula: (= (select (select |v_#memory_int_2| 1) 1) 0) InVars {#memory_int=|v_#memory_int_2|} OutVars{#memory_int=|v_#memory_int_2|} AuxVars[] AssignedVars[] 94#[L696-3]don't care [172] L696-3-->L696-4: Formula: (and (= 6 (select |v_#length_2| 2)) (= (select |v_#valid_3| 2) 1)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] 96#[L696-4]don't care [148] L696-4-->L696-5: Formula: (= 115 (select (select |v_#memory_int_3| 2) 0)) InVars {#memory_int=|v_#memory_int_3|} OutVars{#memory_int=|v_#memory_int_3|} AuxVars[] AssignedVars[] 98#[L696-5]don't care [152] L696-5-->L696-6: Formula: (= 118 (select (select |v_#memory_int_4| 2) 1)) InVars {#memory_int=|v_#memory_int_4|} OutVars{#memory_int=|v_#memory_int_4|} AuxVars[] AssignedVars[] 100#[L696-6]don't care [168] L696-6-->L696-7: Formula: (= (select (select |v_#memory_int_5| 2) 2) 99) InVars {#memory_int=|v_#memory_int_5|} OutVars{#memory_int=|v_#memory_int_5|} AuxVars[] AssignedVars[] 102#[L696-7]don't care [158] L696-7-->L696-8: Formula: (= 46 (select (select |v_#memory_int_6| 2) 3)) InVars {#memory_int=|v_#memory_int_6|} OutVars{#memory_int=|v_#memory_int_6|} AuxVars[] AssignedVars[] 104#[L696-8]don't care [115] L696-8-->L696-9: Formula: (= 104 (select (select |v_#memory_int_7| 2) 4)) InVars {#memory_int=|v_#memory_int_7|} OutVars{#memory_int=|v_#memory_int_7|} AuxVars[] AssignedVars[] 106#[L696-9]don't care [140] L696-9-->L696-10: Formula: (= (select (select |v_#memory_int_8| 2) 5) 0) InVars {#memory_int=|v_#memory_int_8|} OutVars{#memory_int=|v_#memory_int_8|} AuxVars[] AssignedVars[] 108#[L696-10]don't care [142] L696-10-->L697: Formula: (and (= 3 |v_~#lock~0.base_1|) (= |v_~#lock~0.offset_1| 0)) InVars {} OutVars{~#lock~0.base=|v_~#lock~0.base_1|, ~#lock~0.offset=|v_~#lock~0.offset_1|} AuxVars[] AssignedVars[~#lock~0.base, ~#lock~0.offset] 110#[L697]don't care [134] L697-->L697-1: Formula: (and (= (select |v_#length_3| 3) 24) (= (select |v_#valid_4| 3) 1)) InVars {#length=|v_#length_3|, #valid=|v_#valid_4|} OutVars{#length=|v_#length_3|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[] 112#[L697-1]don't care [113] L697-1-->L697-2: Formula: (= 0 (select (select |v_#memory_int_9| |v_~#lock~0.base_2|) |v_~#lock~0.offset_2|)) InVars {#memory_int=|v_#memory_int_9|, ~#lock~0.offset=|v_~#lock~0.offset_2|, ~#lock~0.base=|v_~#lock~0.base_2|} OutVars{#memory_int=|v_#memory_int_9|, ~#lock~0.offset=|v_~#lock~0.offset_2|, ~#lock~0.base=|v_~#lock~0.base_2|} AuxVars[] AssignedVars[] 114#[L697-2]don't care [102] L697-2-->L697-3: Formula: (= (select (select |v_#memory_int_10| |v_~#lock~0.base_3|) (+ |v_~#lock~0.offset_3| 4)) 0) InVars {#memory_int=|v_#memory_int_10|, ~#lock~0.offset=|v_~#lock~0.offset_3|, ~#lock~0.base=|v_~#lock~0.base_3|} OutVars{#memory_int=|v_#memory_int_10|, ~#lock~0.offset=|v_~#lock~0.offset_3|, ~#lock~0.base=|v_~#lock~0.base_3|} AuxVars[] AssignedVars[] 116#[L697-3]don't care [103] L697-3-->L697-4: Formula: (= (select (select |v_#memory_int_11| |v_~#lock~0.base_4|) (+ |v_~#lock~0.offset_4| 8)) 0) InVars {#memory_int=|v_#memory_int_11|, ~#lock~0.offset=|v_~#lock~0.offset_4|, ~#lock~0.base=|v_~#lock~0.base_4|} OutVars{#memory_int=|v_#memory_int_11|, ~#lock~0.offset=|v_~#lock~0.offset_4|, ~#lock~0.base=|v_~#lock~0.base_4|} AuxVars[] AssignedVars[] 118#[L697-4]don't care [125] L697-4-->L697-5: Formula: (= (select (select |v_#memory_int_12| |v_~#lock~0.base_5|) (+ |v_~#lock~0.offset_5| 12)) 0) InVars {#memory_int=|v_#memory_int_12|, ~#lock~0.offset=|v_~#lock~0.offset_5|, ~#lock~0.base=|v_~#lock~0.base_5|} OutVars{#memory_int=|v_#memory_int_12|, ~#lock~0.offset=|v_~#lock~0.offset_5|, ~#lock~0.base=|v_~#lock~0.base_5|} AuxVars[] AssignedVars[] 120#[L697-5]don't care [155] L697-5-->L697-6: Formula: (= (select (select |v_#memory_int_13| |v_~#lock~0.base_6|) (+ 16 |v_~#lock~0.offset_6|)) 0) InVars {#memory_int=|v_#memory_int_13|, ~#lock~0.offset=|v_~#lock~0.offset_6|, ~#lock~0.base=|v_~#lock~0.base_6|} OutVars{#memory_int=|v_#memory_int_13|, ~#lock~0.offset=|v_~#lock~0.offset_6|, ~#lock~0.base=|v_~#lock~0.base_6|} AuxVars[] AssignedVars[] 122#[L697-6]don't care [121] L697-6-->L698: Formula: (and (= |v_~#cond~0.offset_1| 0) (= |v_~#cond~0.base_1| 4)) InVars {} OutVars{~#cond~0.base=|v_~#cond~0.base_1|, ~#cond~0.offset=|v_~#cond~0.offset_1|} AuxVars[] AssignedVars[~#cond~0.base, ~#cond~0.offset] 124#[L698]don't care [130] L698-->L698-1: Formula: (and (= (select |v_#length_4| 4) 48) (= (select |v_#valid_5| 4) 1)) InVars {#length=|v_#length_4|, #valid=|v_#valid_5|} OutVars{#length=|v_#length_4|, #valid=|v_#valid_5|} AuxVars[] AssignedVars[] 126#[L698-1]don't care [127] L698-1-->L698-2: Formula: (= (select (select |v_#memory_int_14| |v_~#cond~0.base_2|) |v_~#cond~0.offset_2|) 0) InVars {#memory_int=|v_#memory_int_14|, ~#cond~0.base=|v_~#cond~0.base_2|, ~#cond~0.offset=|v_~#cond~0.offset_2|} OutVars{#memory_int=|v_#memory_int_14|, ~#cond~0.base=|v_~#cond~0.base_2|, ~#cond~0.offset=|v_~#cond~0.offset_2|} AuxVars[] AssignedVars[] 128#[L698-2]don't care [150] L698-2-->L698-3: Formula: (= (select (select |v_#memory_int_15| |v_~#cond~0.base_3|) (+ |v_~#cond~0.offset_3| 4)) 0) InVars {#memory_int=|v_#memory_int_15|, ~#cond~0.base=|v_~#cond~0.base_3|, ~#cond~0.offset=|v_~#cond~0.offset_3|} OutVars{#memory_int=|v_#memory_int_15|, ~#cond~0.base=|v_~#cond~0.base_3|, ~#cond~0.offset=|v_~#cond~0.offset_3|} AuxVars[] AssignedVars[] 130#[L698-3]don't care [124] L698-3-->L698-4: Formula: (= (select (select |v_#memory_int_16| |v_~#cond~0.base_4|) (+ |v_~#cond~0.offset_4| 8)) 0) InVars {#memory_int=|v_#memory_int_16|, ~#cond~0.base=|v_~#cond~0.base_4|, ~#cond~0.offset=|v_~#cond~0.offset_4|} OutVars{#memory_int=|v_#memory_int_16|, ~#cond~0.base=|v_~#cond~0.base_4|, ~#cond~0.offset=|v_~#cond~0.offset_4|} AuxVars[] AssignedVars[] 132#[L698-4]don't care [128] L698-4-->L698-5: Formula: (= (select (select |v_#memory_int_17| |v_~#cond~0.base_5|) (+ |v_~#cond~0.offset_5| 12)) 0) InVars {#memory_int=|v_#memory_int_17|, ~#cond~0.base=|v_~#cond~0.base_5|, ~#cond~0.offset=|v_~#cond~0.offset_5|} OutVars{#memory_int=|v_#memory_int_17|, ~#cond~0.base=|v_~#cond~0.base_5|, ~#cond~0.offset=|v_~#cond~0.offset_5|} AuxVars[] AssignedVars[] 134#[L698-5]don't care [156] L698-5-->L698-6: Formula: (= (select (select |v_#memory_int_18| |v_~#cond~0.base_6|) (+ 16 |v_~#cond~0.offset_6|)) 0) InVars {#memory_int=|v_#memory_int_18|, ~#cond~0.base=|v_~#cond~0.base_6|, ~#cond~0.offset=|v_~#cond~0.offset_6|} OutVars{#memory_int=|v_#memory_int_18|, ~#cond~0.base=|v_~#cond~0.base_6|, ~#cond~0.offset=|v_~#cond~0.offset_6|} AuxVars[] AssignedVars[] 136#[L698-6]don't care [151] L698-6-->L698-7: Formula: (= (select (select |v_#memory_int_19| |v_~#cond~0.base_7|) (+ |v_~#cond~0.offset_7| 20)) 0) InVars {#memory_int=|v_#memory_int_19|, ~#cond~0.base=|v_~#cond~0.base_7|, ~#cond~0.offset=|v_~#cond~0.offset_7|} OutVars{#memory_int=|v_#memory_int_19|, ~#cond~0.base=|v_~#cond~0.base_7|, ~#cond~0.offset=|v_~#cond~0.offset_7|} AuxVars[] AssignedVars[] 138#[L698-7]don't care [119] L698-7-->L698-8: Formula: (= (select (select |v_#memory_int_20| |v_~#cond~0.base_8|) (+ |v_~#cond~0.offset_8| 24)) 0) InVars {#memory_int=|v_#memory_int_20|, ~#cond~0.base=|v_~#cond~0.base_8|, ~#cond~0.offset=|v_~#cond~0.offset_8|} OutVars{#memory_int=|v_#memory_int_20|, ~#cond~0.base=|v_~#cond~0.base_8|, ~#cond~0.offset=|v_~#cond~0.offset_8|} AuxVars[] AssignedVars[] 140#[L698-8]don't care [116] L698-8-->L698-9: Formula: (= (select (select |v_#memory_int_21| |v_~#cond~0.base_9|) (+ |v_~#cond~0.offset_9| 28)) 0) InVars {#memory_int=|v_#memory_int_21|, ~#cond~0.base=|v_~#cond~0.base_9|, ~#cond~0.offset=|v_~#cond~0.offset_9|} OutVars{#memory_int=|v_#memory_int_21|, ~#cond~0.base=|v_~#cond~0.base_9|, ~#cond~0.offset=|v_~#cond~0.offset_9|} AuxVars[] AssignedVars[] 142#[L698-9]don't care [126] L698-9-->L700: Formula: (= v_~x~0_1 0) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] 144#[L700]don't care [167] L700-->L-1-3: Formula: (= v_~x_set~0_1 0) InVars {} OutVars{~x_set~0=v_~x_set~0_1} AuxVars[] AssignedVars[~x_set~0] 146#[L-1-3]don't care [169] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 148#[L-1-4]don't care [146] L-1-4-->L-1-5: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 150#[L-1-5]don't care [114] L-1-5-->L-1-6: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 152#[L-1-6]don't care [145] L-1-6-->L711: Formula: true InVars {} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_1|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_1|, ULTIMATE.start_main_#t~post8#1=|v_ULTIMATE.start_main_#t~post8#1_1|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_1|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_1|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_1|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_#t~post8#1, ULTIMATE.start_main_~#t~0#1.offset, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~mem9#1, ULTIMATE.start_main_~#t~0#1.base] 154#[L711]don't care [143] L711-->L711-1: Formula: (and (not (= |v_ULTIMATE.start_main_~#t~0#1.base_2| 0)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t~0#1.base_2|) (= |v_#valid_6| (store |v_#valid_7| |v_ULTIMATE.start_main_~#t~0#1.base_2| 1)) (= 0 (select |v_#valid_7| |v_ULTIMATE.start_main_~#t~0#1.base_2|)) (= |v_ULTIMATE.start_main_~#t~0#1.offset_2| 0) (= (store |v_#length_6| |v_ULTIMATE.start_main_~#t~0#1.base_2| 4) |v_#length_5|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_6|, #valid=|v_#valid_7|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_5|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_2|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_2|, #valid=|v_#valid_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t~0#1.base] 156#[L711-1]don't care [144] L711-1-->L712: Formula: (= |v_ULTIMATE.start_main_#t~pre6#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] 158#[L712]don't care [173] L712-->L712-1: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 160#[L712-1]don't care [104] L712-1-->L712-2: Formula: (and (= |v_#memory_int_22| (store |v_#memory_int_23| |v_ULTIMATE.start_main_~#t~0#1.base_3| (store (select |v_#memory_int_23| |v_ULTIMATE.start_main_~#t~0#1.base_3|) |v_ULTIMATE.start_main_~#t~0#1.offset_3| |v_ULTIMATE.start_main_#t~pre6#1_3|))) (= (select |v_#valid_8| |v_ULTIMATE.start_main_~#t~0#1.base_3|) 1) (<= 0 |v_ULTIMATE.start_main_~#t~0#1.offset_3|) (<= (+ |v_ULTIMATE.start_main_~#t~0#1.offset_3| 4) (select |v_#length_7| |v_ULTIMATE.start_main_~#t~0#1.base_3|))) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_3|, #valid=|v_#valid_8|, #memory_int=|v_#memory_int_23|, #length=|v_#length_7|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_3|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_3|, #valid=|v_#valid_8|, #memory_int=|v_#memory_int_22|, #length=|v_#length_7|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_3|} AuxVars[] AssignedVars[#memory_int] 162#[L712-2]don't care [193] L712-2-->threadENTRY: Formula: (and (= v_threadThread1of1ForFork0_thidvar1_2 0) (= |v_threadThread1of1ForFork0_#in~arg.base_4| 0) (= |v_threadThread1of1ForFork0_#in~arg.offset_4| 0) (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_threadThread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{threadThread1of1ForFork0_#in~arg.offset=|v_threadThread1of1ForFork0_#in~arg.offset_4|, threadThread1of1ForFork0_~arg.base=v_threadThread1of1ForFork0_~arg.base_4, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, threadThread1of1ForFork0_~arg.offset=v_threadThread1of1ForFork0_~arg.offset_4, threadThread1of1ForFork0_#res.base=|v_threadThread1of1ForFork0_#res.base_4|, threadThread1of1ForFork0_#t~nondet4=|v_threadThread1of1ForFork0_#t~nondet4_6|, threadThread1of1ForFork0_thidvar0=v_threadThread1of1ForFork0_thidvar0_2, threadThread1of1ForFork0_#t~nondet5=|v_threadThread1of1ForFork0_#t~nondet5_6|, threadThread1of1ForFork0_#res.offset=|v_threadThread1of1ForFork0_#res.offset_4|, threadThread1of1ForFork0_#in~arg.base=|v_threadThread1of1ForFork0_#in~arg.base_4|, threadThread1of1ForFork0_thidvar1=v_threadThread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[threadThread1of1ForFork0_#in~arg.offset, threadThread1of1ForFork0_~arg.base, threadThread1of1ForFork0_~arg.offset, threadThread1of1ForFork0_#res.base, threadThread1of1ForFork0_#t~nondet4, threadThread1of1ForFork0_thidvar0, threadThread1of1ForFork0_#t~nondet5, threadThread1of1ForFork0_#res.offset, threadThread1of1ForFork0_#in~arg.base, threadThread1of1ForFork0_thidvar1] 164#[threadENTRY, L712-3]don't care [176] threadENTRY-->L703: Formula: (and (= v_threadThread1of1ForFork0_~arg.base_1 |v_threadThread1of1ForFork0_#in~arg.base_1|) (= |v_threadThread1of1ForFork0_#in~arg.offset_1| v_threadThread1of1ForFork0_~arg.offset_1)) InVars {threadThread1of1ForFork0_#in~arg.offset=|v_threadThread1of1ForFork0_#in~arg.offset_1|, threadThread1of1ForFork0_#in~arg.base=|v_threadThread1of1ForFork0_#in~arg.base_1|} OutVars{threadThread1of1ForFork0_#in~arg.offset=|v_threadThread1of1ForFork0_#in~arg.offset_1|, threadThread1of1ForFork0_~arg.base=v_threadThread1of1ForFork0_~arg.base_1, threadThread1of1ForFork0_~arg.offset=v_threadThread1of1ForFork0_~arg.offset_1, threadThread1of1ForFork0_#in~arg.base=|v_threadThread1of1ForFork0_#in~arg.base_1|} AuxVars[] AssignedVars[threadThread1of1ForFork0_~arg.base, threadThread1of1ForFork0_~arg.offset] 166#[L712-3, L703]don't care [177] L703-->L703-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_4| |v_~#lock~0.base_8|))) (and (= (select .cse0 |v_~#lock~0.offset_8|) 0) (= |v_#pthreadsMutex_3| (store |v_#pthreadsMutex_4| |v_~#lock~0.base_8| (store .cse0 |v_~#lock~0.offset_8| 1))) (= |v_threadThread1of1ForFork0_#t~nondet4_1| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_4|, ~#lock~0.offset=|v_~#lock~0.offset_8|, ~#lock~0.base=|v_~#lock~0.base_8|} OutVars{threadThread1of1ForFork0_#t~nondet4=|v_threadThread1of1ForFork0_#t~nondet4_1|, #pthreadsMutex=|v_#pthreadsMutex_3|, ~#lock~0.offset=|v_~#lock~0.offset_8|, ~#lock~0.base=|v_~#lock~0.base_8|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread1of1ForFork0_#t~nondet4] 172#[L712-3, L703-1]don't care [178] L703-1-->L704-2: Formula: true InVars {} OutVars{threadThread1of1ForFork0_#t~nondet4=|v_threadThread1of1ForFork0_#t~nondet4_3|} AuxVars[] AssignedVars[threadThread1of1ForFork0_#t~nondet4] 180#[L712-3, L704-2]don't care [2022-07-26 13:24:09,309 INFO L735 eck$LassoCheckResult]: Loop: 180#[L712-3, L704-2]don't care [181] L704-2-->L705: Formula: (= (mod v_~x_set~0_4 256) 0) InVars {~x_set~0=v_~x_set~0_4} OutVars{~x_set~0=v_~x_set~0_4} AuxVars[] AssignedVars[] 192#[L712-3, L705]don't care [184] L705-->L705-1: Formula: (= |v_#pthreadsMutex_5| (store |v_#pthreadsMutex_6| |v_~#lock~0.base_9| (store (select |v_#pthreadsMutex_6| |v_~#lock~0.base_9|) |v_~#lock~0.offset_9| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_6|, ~#lock~0.offset=|v_~#lock~0.offset_9|, ~#lock~0.base=|v_~#lock~0.base_9|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_5|, ~#lock~0.offset=|v_~#lock~0.offset_9|, ~#lock~0.base=|v_~#lock~0.base_9|} AuxVars[] AssignedVars[#pthreadsMutex] 214#[L712-3, L705-1]don't care [187] L705-1-->L705-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_8| |v_~#lock~0.base_10|))) (and (= |v_#pthreadsMutex_7| (store |v_#pthreadsMutex_8| |v_~#lock~0.base_10| (store .cse0 |v_~#lock~0.offset_10| 1))) (= (select .cse0 |v_~#lock~0.offset_10|) 0) (= |v_threadThread1of1ForFork0_#t~nondet5_1| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_8|, ~#lock~0.offset=|v_~#lock~0.offset_10|, ~#lock~0.base=|v_~#lock~0.base_10|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_7|, ~#lock~0.offset=|v_~#lock~0.offset_10|, threadThread1of1ForFork0_#t~nondet5=|v_threadThread1of1ForFork0_#t~nondet5_1|, ~#lock~0.base=|v_~#lock~0.base_10|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread1of1ForFork0_#t~nondet5] 242#[L712-3, L705-2]don't care [189] L705-2-->L704-2: Formula: true InVars {} OutVars{threadThread1of1ForFork0_#t~nondet5=|v_threadThread1of1ForFork0_#t~nondet5_3|} AuxVars[] AssignedVars[threadThread1of1ForFork0_#t~nondet5] 180#[L712-3, L704-2]don't care [2022-07-26 13:24:09,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:24:09,314 INFO L85 PathProgramCache]: Analyzing trace with hash 551730905, now seen corresponding path program 1 times [2022-07-26 13:24:09,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:24:09,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839923669] [2022-07-26 13:24:09,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:24:09,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:24:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:24:09,514 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:24:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:24:09,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:24:09,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:24:09,602 INFO L85 PathProgramCache]: Analyzing trace with hash 6498502, now seen corresponding path program 1 times [2022-07-26 13:24:09,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:24:09,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045866758] [2022-07-26 13:24:09,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:24:09,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:24:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:24:09,634 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:24:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:24:09,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:24:09,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:24:09,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1637530526, now seen corresponding path program 1 times [2022-07-26 13:24:09,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:24:09,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561853364] [2022-07-26 13:24:09,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:24:09,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:24:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:24:09,711 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:24:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:24:09,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:24:11,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:24:11 BoogieIcfgContainer [2022-07-26 13:24:11,072 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:24:11,074 INFO L158 Benchmark]: Toolchain (without parser) took 2984.23ms. Allocated memory was 194.0MB in the beginning and 252.7MB in the end (delta: 58.7MB). Free memory was 132.9MB in the beginning and 128.6MB in the end (delta: 4.4MB). Peak memory consumption was 64.2MB. Max. memory is 8.0GB. [2022-07-26 13:24:11,074 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 194.0MB. Free memory is still 150.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:24:11,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.91ms. Allocated memory was 194.0MB in the beginning and 252.7MB in the end (delta: 58.7MB). Free memory was 132.7MB in the beginning and 212.6MB in the end (delta: -79.9MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. [2022-07-26 13:24:11,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.40ms. Allocated memory is still 252.7MB. Free memory was 212.6MB in the beginning and 210.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 13:24:11,084 INFO L158 Benchmark]: Boogie Preprocessor took 37.09ms. Allocated memory is still 252.7MB. Free memory was 210.5MB in the beginning and 209.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:24:11,084 INFO L158 Benchmark]: RCFGBuilder took 412.92ms. Allocated memory is still 252.7MB. Free memory was 209.1MB in the beginning and 196.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-07-26 13:24:11,085 INFO L158 Benchmark]: BuchiAutomizer took 2004.22ms. Allocated memory is still 252.7MB. Free memory was 196.9MB in the beginning and 128.6MB in the end (delta: 68.3MB). Peak memory consumption was 69.5MB. Max. memory is 8.0GB. [2022-07-26 13:24:11,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 194.0MB. Free memory is still 150.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 457.91ms. Allocated memory was 194.0MB in the beginning and 252.7MB in the end (delta: 58.7MB). Free memory was 132.7MB in the beginning and 212.6MB in the end (delta: -79.9MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 67.40ms. Allocated memory is still 252.7MB. Free memory was 212.6MB in the beginning and 210.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.09ms. Allocated memory is still 252.7MB. Free memory was 210.5MB in the beginning and 209.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 412.92ms. Allocated memory is still 252.7MB. Free memory was 209.1MB in the beginning and 196.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 2004.22ms. Allocated memory is still 252.7MB. Free memory was 196.9MB in the beginning and 128.6MB in the end (delta: 68.3MB). Peak memory consumption was 69.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 704]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {\result={0:0}, \result=0, arg={0:0}, arg={0:0}, cond={4:0}, i=0, lock={3:0}, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1194eba6 in-11413,0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d0c29a4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b1894f1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@91fac73=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@1f4a0f1d=0, t={26840:0}, x=0, x_set=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 704]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L697] 0 pthread_mutex_t lock; [L698] 0 pthread_cond_t cond; [L699] 0 int x; [L700] 0 _Bool x_set = 0; [L711] 0 pthread_t t; [L712] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) Loop: [L704] COND TRUE !x_set End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-26 13:24:11,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...