/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-semanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:46:18,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:46:18,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:46:18,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 13:46:18,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:46:18,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:46:18,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:46:18,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:46:18,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:46:18,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:46:18,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:46:18,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:46:18,272 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:46:18,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:46:18,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:46:18,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:46:18,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:46:18,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:46:18,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-26 13:46:18,310 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:46:18,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:46:18,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:46:18,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:46:18,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:46:18,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:46:18,312 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:46:18,312 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:46:18,312 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:46:18,313 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:46:18,313 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:46:18,313 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:46:18,313 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:46:18,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:46:18,314 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:46:18,314 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:46:18,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:46:18,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:46:18,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:46:18,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:46:18,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:46:18,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:46:18,315 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:46:18,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:46:18,315 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:46:18,315 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:46:18,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:46:18,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:46:18,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:46:18,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:46:18,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:46:18,316 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:46:18,316 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:46:18,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:46:18,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:46:18,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:46:18,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:46:18,540 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:46:18,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2022-07-26 13:46:18,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cbffa22e/309d7cd9ab964395ac55e35818711a04/FLAG3a58b0228 [2022-07-26 13:46:19,071 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:46:19,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2022-07-26 13:46:19,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cbffa22e/309d7cd9ab964395ac55e35818711a04/FLAG3a58b0228 [2022-07-26 13:46:19,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cbffa22e/309d7cd9ab964395ac55e35818711a04 [2022-07-26 13:46:19,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:46:19,594 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:46:19,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:46:19,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:46:19,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:46:19,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:46:19" (1/1) ... [2022-07-26 13:46:19,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262b2fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:19, skipping insertion in model container [2022-07-26 13:46:19,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:46:19" (1/1) ... [2022-07-26 13:46:19,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:46:19,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:46:19,778 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-26 13:46:19,901 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_spurious_wakeup.i[30416,30429] [2022-07-26 13:46:19,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:46:19,916 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:46:19,936 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-26 13:46:19,953 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_spurious_wakeup.i[30416,30429] [2022-07-26 13:46:19,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:46:19,987 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:46:19,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:19 WrapperNode [2022-07-26 13:46:19,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:46:19,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:46:19,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:46:19,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:46:19,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:19" (1/1) ... [2022-07-26 13:46:20,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:19" (1/1) ... [2022-07-26 13:46:20,022 INFO L137 Inliner]: procedures = 169, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2022-07-26 13:46:20,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:46:20,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:46:20,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:46:20,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:46:20,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:19" (1/1) ... [2022-07-26 13:46:20,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:19" (1/1) ... [2022-07-26 13:46:20,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:19" (1/1) ... [2022-07-26 13:46:20,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:19" (1/1) ... [2022-07-26 13:46:20,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:19" (1/1) ... [2022-07-26 13:46:20,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:19" (1/1) ... [2022-07-26 13:46:20,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:19" (1/1) ... [2022-07-26 13:46:20,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:46:20,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:46:20,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:46:20,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:46:20,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:19" (1/1) ... [2022-07-26 13:46:20,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:20,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:20,085 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 13:46:20,100 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 13:46:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:46:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:46:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-26 13:46:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:46:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:46:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:46:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:46:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-07-26 13:46:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-07-26 13:46:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:46:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:46:20,117 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 13:46:20,189 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:46:20,190 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:46:20,363 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:46:20,368 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:46:20,368 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-26 13:46:20,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:46:20 BoogieIcfgContainer [2022-07-26 13:46:20,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:46:20,370 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:46:20,370 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:46:20,377 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:46:20,377 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:46:20,378 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:46:19" (1/3) ... [2022-07-26 13:46:20,378 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65aa052e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:46:20, skipping insertion in model container [2022-07-26 13:46:20,378 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:46:20,379 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:46:19" (2/3) ... [2022-07-26 13:46:20,379 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65aa052e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:46:20, skipping insertion in model container [2022-07-26 13:46:20,379 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:46:20,379 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:46:20" (3/3) ... [2022-07-26 13:46:20,380 INFO L322 chiAutomizerObserver]: Analyzing ICFG condvar_spurious_wakeup.i [2022-07-26 13:46:20,454 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-07-26 13:46:20,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 74 transitions, 156 flow [2022-07-26 13:46:20,521 INFO L129 PetriNetUnfolder]: 3/72 cut-off events. [2022-07-26 13:46:20,521 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-26 13:46:20,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 72 events. 3/72 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 23. Up to 2 conditions per place. [2022-07-26 13:46:20,525 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 74 transitions, 156 flow [2022-07-26 13:46:20,531 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 72 transitions, 150 flow [2022-07-26 13:46:20,533 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:46:20,544 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 72 transitions, 150 flow [2022-07-26 13:46:20,545 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 72 transitions, 150 flow [2022-07-26 13:46:20,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 72 transitions, 150 flow [2022-07-26 13:46:20,568 INFO L129 PetriNetUnfolder]: 3/72 cut-off events. [2022-07-26 13:46:20,568 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-26 13:46:20,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 72 events. 3/72 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 23. Up to 2 conditions per place. [2022-07-26 13:46:20,571 INFO L116 LiptonReduction]: Number of co-enabled transitions 264 [2022-07-26 13:46:23,097 INFO L131 LiptonReduction]: Checked pairs total: 244 [2022-07-26 13:46:23,097 INFO L133 LiptonReduction]: Total number of compositions: 69 [2022-07-26 13:46:23,110 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:46:23,110 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:46:23,110 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:46:23,110 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:46:23,110 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:46:23,110 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:46:23,111 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:46:23,111 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:46:23,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:46:23,125 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2022-07-26 13:46:23,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:46:23,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:46:23,129 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 13:46:23,129 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:46:23,129 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 13:46:23,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 9 states, but on-demand construction may add more states [2022-07-26 13:46:23,130 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2022-07-26 13:46:23,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:46:23,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:46:23,131 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 13:46:23,131 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:46:23,134 INFO L733 eck$LassoCheckResult]: Stem: 77#[ULTIMATE.startENTRY]don't care [243] ULTIMATE.startENTRY-->L712-3: Formula: (let ((.cse1 (select |v_#memory_int_92| |v_~#lock~0.base_62|)) (.cse2 (select |v_#memory_int_92| 1)) (.cse3 (select |v_#memory_int_92| 2)) (.cse0 (select |v_#memory_int_92| |v_~#cond~0.base_36|))) (and (< |v_#StackHeapBarrier_21| |v_ULTIMATE.start_main_~#t~0#1.base_35|) (= (select .cse0 (+ 20 |v_~#cond~0.offset_36|)) 0) (= (select .cse0 (+ 16 |v_~#cond~0.offset_36|)) 0) (= (select |v_#valid_77| |v_ULTIMATE.start_main_~#t~0#1.base_35|) 0) (= |v_#valid_76| (store |v_#valid_77| |v_ULTIMATE.start_main_~#t~0#1.base_35| 1)) (= |v_~#cond~0.base_36| 4) (= |v_#NULL.base_12| 0) (= 3 |v_~#lock~0.base_62|) (= (select .cse1 |v_~#lock~0.offset_62|) 0) (= (select |v_#length_58| 1) 2) (= |v_#pthreadsForks_20| (+ |v_#pthreadsForks_21| 1)) (= (select .cse2 0) 48) (= (select |v_#length_58| 3) 24) (= 48 (select |v_#length_58| 4)) (= (select |v_#valid_77| 2) 1) (= (select .cse0 (+ 8 |v_~#cond~0.offset_36|)) 0) (= (select |v_#valid_77| 3) 1) (= |v_~#cond~0.offset_36| 0) (= (select .cse1 (+ |v_~#lock~0.offset_62| 4)) 0) (< 0 |v_#StackHeapBarrier_21|) (<= (+ |v_ULTIMATE.start_main_~#t~0#1.offset_29| 4) (select |v_#length_57| |v_ULTIMATE.start_main_~#t~0#1.base_35|)) (= v_~x~0_51 0) (= (select |v_#length_58| 2) 6) (<= 0 |v_ULTIMATE.start_main_~#t~0#1.offset_29|) (= (select .cse1 (+ 16 |v_~#lock~0.offset_62|)) 0) (= (select .cse0 (+ 28 |v_~#cond~0.offset_36|)) 0) (= (select .cse3 2) 99) (= |v_#length_57| (store |v_#length_58| |v_ULTIMATE.start_main_~#t~0#1.base_35| 4)) (= (select .cse0 (+ |v_~#cond~0.offset_36| 24)) 0) (= (select .cse1 (+ |v_~#lock~0.offset_62| 8)) 0) (= (select .cse0 |v_~#cond~0.offset_36|) 0) (= (select .cse0 (+ 4 |v_~#cond~0.offset_36|)) 0) (= (select .cse1 (+ |v_~#lock~0.offset_62| 12)) 0) (= (select .cse3 5) 0) (= (select .cse2 1) 0) (= |v_#memory_int_91| (store |v_#memory_int_92| |v_ULTIMATE.start_main_~#t~0#1.base_35| (store (select |v_#memory_int_92| |v_ULTIMATE.start_main_~#t~0#1.base_35|) |v_ULTIMATE.start_main_~#t~0#1.offset_29| |v_ULTIMATE.start_main_#t~pre6#1_25|))) (= (select |v_#valid_77| 4) 1) (= 46 (select .cse3 3)) (= |v_ULTIMATE.start_main_#t~pre6#1_25| |v_#pthreadsForks_21|) (= (select |v_#valid_77| 0) 0) (= |v_~#lock~0.offset_62| 0) (= (select |v_#valid_77| 1) 1) (= 115 (select .cse3 0)) (= 104 (select .cse3 4)) (= 118 (select .cse3 1)) (= |v_#NULL.offset_12| 0) (= 0 (select .cse0 (+ 12 |v_~#cond~0.offset_36|))) (= |v_#pthreadsMutex_87| (store |v_#pthreadsMutex_88| |v_~#lock~0.base_62| (store (select |v_#pthreadsMutex_88| |v_~#lock~0.base_62|) |v_~#lock~0.offset_62| 0))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_88|, #StackHeapBarrier=|v_#StackHeapBarrier_21|, #pthreadsForks=|v_#pthreadsForks_21|, #valid=|v_#valid_77|, #memory_int=|v_#memory_int_92|, #length=|v_#length_58|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_87|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_25|, ~#lock~0.base=|v_~#lock~0.base_62|, ULTIMATE.start_main_#t~post8#1=|v_ULTIMATE.start_main_#t~post8#1_35|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_17|, ~#cond~0.offset=|v_~#cond~0.offset_36|, #NULL.offset=|v_#NULL.offset_12|, #NULL.base=|v_#NULL.base_12|, ~#cond~0.base=|v_~#cond~0.base_36|, #StackHeapBarrier=|v_#StackHeapBarrier_21|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_50|, #pthreadsForks=|v_#pthreadsForks_20|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_29|, #valid=|v_#valid_76|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_15|, #memory_int=|v_#memory_int_91|, ~#lock~0.offset=|v_~#lock~0.offset_62|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_22|, #length=|v_#length_57|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_35|, ~x~0=v_~x~0_51} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~pre6#1, ~#lock~0.base, ULTIMATE.start_main_#t~post8#1, ULTIMATE.start_main_#res#1, ~#cond~0.offset, #NULL.offset, #NULL.base, ~#cond~0.base, ULTIMATE.start_main_~i~0#1, #pthreadsForks, ULTIMATE.start_main_~#t~0#1.offset, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ~#lock~0.offset, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_~#t~0#1.base, ~x~0] 80#[L712-3]don't care [173] L712-3-->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] 82#[L712-4, threadENTRY]don't care [209] L712-4-->L713-6: Formula: (= |v_ULTIMATE.start_main_~i~0#1_18| 0) InVars {} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_18|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_15|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_#t~nondet7#1] 84#[L713-6, threadENTRY]don't care [2022-07-26 13:46:23,134 INFO L735 eck$LassoCheckResult]: Loop: 84#[L713-6, threadENTRY]don't care [230] L713-6-->L713-6: Formula: (and (= |v_ULTIMATE.start_main_~i~0#1_32| (+ |v_ULTIMATE.start_main_~i~0#1_33| 1)) (<= |v_ULTIMATE.start_main_~i~0#1_33| 42) (= |v_ULTIMATE.start_main_~i~0#1_33| v_~x~0_32)) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_33|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_32|, ULTIMATE.start_main_#t~post8#1=|v_ULTIMATE.start_main_#t~post8#1_25|, ~x~0=v_~x~0_32} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~post8#1, ~x~0] 84#[L713-6, threadENTRY]don't care [2022-07-26 13:46:23,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:46:23,139 INFO L85 PathProgramCache]: Analyzing trace with hash 268886, now seen corresponding path program 1 times [2022-07-26 13:46:23,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:46:23,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844390895] [2022-07-26 13:46:23,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:46:23,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:46:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:46:23,248 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:46:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:46:23,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:46:23,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:46:23,296 INFO L85 PathProgramCache]: Analyzing trace with hash 261, now seen corresponding path program 1 times [2022-07-26 13:46:23,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:46:23,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403999644] [2022-07-26 13:46:23,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:46:23,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:46:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:46:23,306 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:46:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:46:23,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:46:23,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:46:23,313 INFO L85 PathProgramCache]: Analyzing trace with hash 8335696, now seen corresponding path program 1 times [2022-07-26 13:46:23,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:46:23,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296663465] [2022-07-26 13:46:23,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:46:23,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:46:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:46:23,331 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:46:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:46:23,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:46:23,374 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:46:23,374 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:46:23,374 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:46:23,375 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:46:23,375 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:46:23,375 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:23,375 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:46:23,375 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:46:23,375 INFO L133 ssoRankerPreferences]: Filename of dumped script: condvar_spurious_wakeup.i_BEv2_Iteration1_Loop [2022-07-26 13:46:23,375 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:46:23,375 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:46:23,388 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,391 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,394 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,395 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,397 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,399 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,403 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,405 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,406 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,408 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,410 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,412 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,413 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,415 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,417 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,418 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,420 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,422 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,423 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,425 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,426 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,428 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,429 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,431 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,433 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,434 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,436 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,437 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,439 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,440 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,442 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,443 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,445 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,446 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,448 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,639 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:46:23,639 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:46:23,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:23,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:23,642 INFO L229 MonitoredProcess]: Starting monitored process 2 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 13:46:23,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-26 13:46:23,647 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:46:23,647 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:46:23,657 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:46:23,657 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post8#1=0} Honda state: {ULTIMATE.start_main_#t~post8#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:46:23,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-26 13:46:23,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:23,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:23,696 INFO L229 MonitoredProcess]: Starting monitored process 3 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 13:46:23,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:46:23,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:46:23,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-26 13:46:23,756 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:46:23,756 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread.base_1=-1} Honda state: {v_rep#funAddr~thread.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:46:23,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-26 13:46:23,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:23,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:23,805 INFO L229 MonitoredProcess]: Starting monitored process 4 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 13:46:23,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-26 13:46:23,808 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:46:23,808 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:46:23,829 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:46:23,829 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed6~0~PTHREAD_SCOPE_PROCESS_1=1} Honda state: {v_rep~unnamed6~0~PTHREAD_SCOPE_PROCESS_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:46:23,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-26 13:46:23,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:23,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:23,847 INFO L229 MonitoredProcess]: Starting monitored process 5 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 13:46:23,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-26 13:46:23,849 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:46:23,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:46:23,860 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:46:23,860 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed3~0~PTHREAD_PRIO_PROTECT_1=2} Honda state: {v_rep~unnamed3~0~PTHREAD_PRIO_PROTECT_1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:46:23,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-26 13:46:23,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:23,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:23,877 INFO L229 MonitoredProcess]: Starting monitored process 6 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 13:46:23,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-26 13:46:23,880 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:46:23,880 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:46:23,891 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:46:23,891 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed4~0~PTHREAD_RWLOCK_PREFER_WRITER_NP_1=1} Honda state: {v_rep~unnamed4~0~PTHREAD_RWLOCK_PREFER_WRITER_NP_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:46:23,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-26 13:46:23,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:23,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:23,909 INFO L229 MonitoredProcess]: Starting monitored process 7 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 13:46:23,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-26 13:46:23,911 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:46:23,911 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:46:23,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-26 13:46:23,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:23,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:23,935 INFO L229 MonitoredProcess]: Starting monitored process 8 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 13:46:23,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-26 13:46:23,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:46:23,937 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:46:23,974 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:46:23,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-26 13:46:23,978 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:46:23,978 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:46:23,978 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:46:23,978 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:46:23,978 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:46:23,978 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:23,978 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:46:23,978 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:46:23,978 INFO L133 ssoRankerPreferences]: Filename of dumped script: condvar_spurious_wakeup.i_BEv2_Iteration1_Loop [2022-07-26 13:46:23,978 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:46:23,978 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:46:23,980 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,982 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,985 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,986 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,988 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,993 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,995 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:23,999 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,001 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,003 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,005 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,007 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,009 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,014 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,016 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,017 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,019 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,021 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,023 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,025 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,027 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,029 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,031 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,033 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,035 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,037 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,039 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,041 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,043 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,045 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,047 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,049 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,051 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,052 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,054 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:46:24,265 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:46:24,268 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:46:24,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:24,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:24,273 INFO L229 MonitoredProcess]: Starting monitored process 9 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 13:46:24,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-26 13:46:24,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:46:24,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:46:24,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:46:24,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:46:24,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:46:24,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:46:24,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:46:24,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:46:24,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:46:24,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-07-26 13:46:24,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:24,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:24,300 INFO L229 MonitoredProcess]: Starting monitored process 10 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 13:46:24,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-26 13:46:24,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:46:24,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:46:24,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:46:24,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:46:24,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:46:24,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:46:24,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:46:24,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:46:24,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-07-26 13:46:24,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:24,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:24,348 INFO L229 MonitoredProcess]: Starting monitored process 11 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 13:46:24,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-26 13:46:24,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:46:24,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:46:24,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:46:24,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:46:24,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:46:24,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:46:24,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:46:24,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:46:24,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-26 13:46:24,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:24,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:24,381 INFO L229 MonitoredProcess]: Starting monitored process 12 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 13:46:24,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-26 13:46:24,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:46:24,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:46:24,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:46:24,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:46:24,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:46:24,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:46:24,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:46:24,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:46:24,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-26 13:46:24,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:24,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:24,428 INFO L229 MonitoredProcess]: Starting monitored process 13 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 13:46:24,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-26 13:46:24,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:46:24,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:46:24,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:46:24,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:46:24,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:46:24,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:46:24,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:46:24,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:46:24,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-26 13:46:24,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:24,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:24,480 INFO L229 MonitoredProcess]: Starting monitored process 14 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 13:46:24,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-26 13:46:24,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:46:24,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:46:24,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:46:24,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:46:24,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:46:24,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:46:24,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:46:24,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:46:24,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-26 13:46:24,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:24,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:24,523 INFO L229 MonitoredProcess]: Starting monitored process 15 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 13:46:24,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-26 13:46:24,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:46:24,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:46:24,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:46:24,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:46:24,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:46:24,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:46:24,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:46:24,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:46:24,547 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:46:24,550 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:46:24,550 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 13:46:24,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:46:24,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:46:24,556 INFO L229 MonitoredProcess]: Starting monitored process 16 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 13:46:24,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-26 13:46:24,558 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:46:24,558 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:46:24,558 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:46:24,559 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 85 Supporting invariants [] [2022-07-26 13:46:24,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-26 13:46:24,578 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:46:24,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:46:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:46:24,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:46:24,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:46:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:46:24,630 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:46:24,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:46:24,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:46:24,651 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:46:24,652 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 9 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-07-26 13:46:24,695 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 9 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Result 19 states and 31 transitions. Complement of second has 4 states. [2022-07-26 13:46:24,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 13:46:24,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-07-26 13:46:24,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2022-07-26 13:46:24,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-26 13:46:24,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:46:24,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-26 13:46:24,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:46:24,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-26 13:46:24,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:46:24,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 31 transitions. [2022-07-26 13:46:24,703 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:46:24,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2022-07-26 13:46:24,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 13:46:24,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 13:46:24,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 13:46:24,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 13:46:24,706 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:46:24,706 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:46:24,706 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:46:24,706 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-26 13:46:24,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-26 13:46:24,706 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:46:24,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:46:24,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:46:24 BoogieIcfgContainer [2022-07-26 13:46:24,710 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:46:24,710 INFO L158 Benchmark]: Toolchain (without parser) took 5115.99ms. Allocated memory was 186.6MB in the beginning and 235.9MB in the end (delta: 49.3MB). Free memory was 133.4MB in the beginning and 105.5MB in the end (delta: 27.9MB). Peak memory consumption was 78.0MB. Max. memory is 8.0GB. [2022-07-26 13:46:24,710 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:46:24,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.04ms. Allocated memory was 186.6MB in the beginning and 235.9MB in the end (delta: 49.3MB). Free memory was 133.2MB in the beginning and 202.0MB in the end (delta: -68.8MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. [2022-07-26 13:46:24,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.89ms. Allocated memory is still 235.9MB. Free memory was 202.0MB in the beginning and 199.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 13:46:24,711 INFO L158 Benchmark]: Boogie Preprocessor took 24.04ms. Allocated memory is still 235.9MB. Free memory was 199.8MB in the beginning and 198.9MB in the end (delta: 943.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:46:24,712 INFO L158 Benchmark]: RCFGBuilder took 320.19ms. Allocated memory is still 235.9MB. Free memory was 198.7MB in the beginning and 186.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-07-26 13:46:24,712 INFO L158 Benchmark]: BuchiAutomizer took 4339.83ms. Allocated memory is still 235.9MB. Free memory was 185.7MB in the beginning and 105.5MB in the end (delta: 80.2MB). Peak memory consumption was 80.6MB. Max. memory is 8.0GB. [2022-07-26 13:46:24,714 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 390.04ms. Allocated memory was 186.6MB in the beginning and 235.9MB in the end (delta: 49.3MB). Free memory was 133.2MB in the beginning and 202.0MB in the end (delta: -68.8MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.89ms. Allocated memory is still 235.9MB. Free memory was 202.0MB in the beginning and 199.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.04ms. Allocated memory is still 235.9MB. Free memory was 199.8MB in the beginning and 198.9MB in the end (delta: 943.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 320.19ms. Allocated memory is still 235.9MB. Free memory was 198.7MB in the beginning and 186.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 4339.83ms. Allocated memory is still 235.9MB. Free memory was 185.7MB in the beginning and 105.5MB in the end (delta: 80.2MB). Peak memory consumption was 80.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 85 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax1623 hnf100 lsp6 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp100 dnf100 smp100 tf109 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 2.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.6s, 73 PlacesBefore, 11 PlacesAfterwards, 72 TransitionsBefore, 8 TransitionsAfterwards, 264 CoEnabledTransitionPairs, 6 FixpointIterations, 45 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 69 TotalNumberOfCompositions, 244 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 226, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 183, positive: 177, positive conditional: 0, positive unconditional: 177, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 183, positive: 177, positive conditional: 0, positive unconditional: 177, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 226, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 183, unknown conditional: 0, unknown unconditional: 183] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 RESULT: Ultimate proved your program to be correct! [2022-07-26 13:46:24,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-26 13:46:24,951 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...