/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-syntacticLbe.epf -i ../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 14:12:20,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 14:12:20,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 14:12:20,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 14:12:20,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 14:12:20,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 14:12:20,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 14:12:20,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 14:12:20,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 14:12:20,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 14:12:20,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 14:12:20,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 14:12:20,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 14:12:20,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 14:12:20,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 14:12:20,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 14:12:20,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 14:12:20,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 14:12:20,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 14:12:20,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 14:12:20,611 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 14:12:20,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 14:12:20,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 14:12:20,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 14:12:20,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 14:12:20,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 14:12:20,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 14:12:20,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 14:12:20,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 14:12:20,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-26 14:12:20,673 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 14:12:20,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 14:12:20,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 14:12:20,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 14:12:20,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 14:12:20,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 14:12:20,675 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 14:12:20,675 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 14:12:20,676 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 14:12:20,676 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 14:12:20,676 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 14:12:20,677 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 14:12:20,677 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 14:12:20,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 14:12:20,677 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 14:12:20,677 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 14:12:20,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 14:12:20,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 14:12:20,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 14:12:20,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 14:12:20,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 14:12:20,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 14:12:20,679 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 14:12:20,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 14:12:20,679 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 14:12:20,679 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 14:12:20,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 14:12:20,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 14:12:20,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 14:12:20,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 14:12:20,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 14:12:20,680 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-26 14:12:20,681 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 14:12:20,681 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 14:12:20,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 14:12:20,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 14:12:20,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 14:12:20,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 14:12:20,927 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 14:12:20,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c [2022-07-26 14:12:20,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da042cc82/8f400d95fb48482da8206d75979e4489/FLAG85be8d005 [2022-07-26 14:12:21,426 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 14:12:21,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c [2022-07-26 14:12:21,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da042cc82/8f400d95fb48482da8206d75979e4489/FLAG85be8d005 [2022-07-26 14:12:21,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da042cc82/8f400d95fb48482da8206d75979e4489 [2022-07-26 14:12:21,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 14:12:21,458 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 14:12:21,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 14:12:21,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 14:12:21,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 14:12:21,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:12:21" (1/1) ... [2022-07-26 14:12:21,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33aa703c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:21, skipping insertion in model container [2022-07-26 14:12:21,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:12:21" (1/1) ... [2022-07-26 14:12:21,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 14:12:21,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 14:12:21,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c[2330,2343] [2022-07-26 14:12:21,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:12:21,682 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 14:12:21,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c[2330,2343] [2022-07-26 14:12:21,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:12:21,714 INFO L208 MainTranslator]: Completed translation [2022-07-26 14:12:21,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:21 WrapperNode [2022-07-26 14:12:21,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 14:12:21,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 14:12:21,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 14:12:21,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 14:12:21,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:21" (1/1) ... [2022-07-26 14:12:21,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:21" (1/1) ... [2022-07-26 14:12:21,763 INFO L137 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 159 [2022-07-26 14:12:21,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 14:12:21,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 14:12:21,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 14:12:21,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 14:12:21,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:21" (1/1) ... [2022-07-26 14:12:21,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:21" (1/1) ... [2022-07-26 14:12:21,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:21" (1/1) ... [2022-07-26 14:12:21,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:21" (1/1) ... [2022-07-26 14:12:21,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:21" (1/1) ... [2022-07-26 14:12:21,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:21" (1/1) ... [2022-07-26 14:12:21,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:21" (1/1) ... [2022-07-26 14:12:21,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 14:12:21,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 14:12:21,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 14:12:21,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 14:12:21,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:21" (1/1) ... [2022-07-26 14:12:21,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:21,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:21,838 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 14:12:21,840 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 14:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 14:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 14:12:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 14:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 14:12:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 14:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 14:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 14:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 14:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 14:12:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 14:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 14:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 14:12:21,871 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 14:12:21,942 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 14:12:21,943 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 14:12:22,295 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 14:12:22,304 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 14:12:22,304 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-26 14:12:22,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:12:22 BoogieIcfgContainer [2022-07-26 14:12:22,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 14:12:22,311 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 14:12:22,311 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 14:12:22,314 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 14:12:22,315 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:12:22,315 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 02:12:21" (1/3) ... [2022-07-26 14:12:22,316 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@702e49da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:12:22, skipping insertion in model container [2022-07-26 14:12:22,316 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:12:22,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:21" (2/3) ... [2022-07-26 14:12:22,317 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@702e49da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:12:22, skipping insertion in model container [2022-07-26 14:12:22,317 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:12:22,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:12:22" (3/3) ... [2022-07-26 14:12:22,320 INFO L322 chiAutomizerObserver]: Analyzing ICFG fibonacci.wvr.c [2022-07-26 14:12:22,439 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-26 14:12:22,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 209 places, 220 transitions, 456 flow [2022-07-26 14:12:22,581 INFO L129 PetriNetUnfolder]: 16/216 cut-off events. [2022-07-26 14:12:22,581 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 14:12:22,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 216 events. 16/216 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 374 event pairs, 0 based on Foata normal form. 0/200 useless extension candidates. Maximal degree in co-relation 149. Up to 2 conditions per place. [2022-07-26 14:12:22,596 INFO L82 GeneralOperation]: Start removeDead. Operand has 209 places, 220 transitions, 456 flow [2022-07-26 14:12:22,609 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 207 places, 216 transitions, 444 flow [2022-07-26 14:12:22,613 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-26 14:12:22,620 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 216 transitions, 444 flow [2022-07-26 14:12:22,623 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 216 transitions, 444 flow [2022-07-26 14:12:22,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 216 transitions, 444 flow [2022-07-26 14:12:22,667 INFO L129 PetriNetUnfolder]: 16/216 cut-off events. [2022-07-26 14:12:22,668 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 14:12:22,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 216 events. 16/216 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 378 event pairs, 0 based on Foata normal form. 0/200 useless extension candidates. Maximal degree in co-relation 149. Up to 2 conditions per place. [2022-07-26 14:12:22,678 INFO L116 LiptonReduction]: Number of co-enabled transitions 11592 [2022-07-26 14:12:27,772 INFO L131 LiptonReduction]: Checked pairs total: 9487 [2022-07-26 14:12:27,772 INFO L133 LiptonReduction]: Total number of compositions: 251 [2022-07-26 14:12:27,787 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 14:12:27,788 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 14:12:27,788 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 14:12:27,788 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 14:12:27,788 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 14:12:27,788 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 14:12:27,788 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 14:12:27,788 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 14:12:27,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 14:12:27,815 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 14 [2022-07-26 14:12:27,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:12:27,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:12:27,820 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 14:12:27,820 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:12:27,821 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 14:12:27,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 33 states, but on-demand construction may add more states [2022-07-26 14:12:27,828 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 14 [2022-07-26 14:12:27,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:12:27,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:12:27,828 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 14:12:27,828 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:12:27,833 INFO L733 eck$LassoCheckResult]: Stem: 212#[ULTIMATE.startENTRY]don't care [897] ULTIMATE.startENTRY-->L78-3: Formula: (let ((.cse1 (select |v_#memory_int_56| 1)) (.cse0 (store |v_#valid_85| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= |v_#NULL.base_10| 0) (< |v_#StackHeapBarrier_18| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) (= (select |v_#valid_85| 1) 1) (= (store .cse0 |v_ULTIMATE.start_main_~#t2~0#1.base_33| 1) |v_#valid_84|) (= (select |v_#valid_85| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_39|) (select |v_#length_59| |v_ULTIMATE.start_main_~#t1~0#1.base_45|)) (= (store (store |v_#length_60| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_33| 4) |v_#length_59|) (< |v_#StackHeapBarrier_18| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= (select .cse1 1) 0) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_39|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_57| 0)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_57| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|) (= (select |v_#valid_85| 2) 1) (= (ite (and (= v_~f1_2~0_89 v_~f1_6~0_95) (= v_~f2_3~0_91 v_~f2_7~0_79)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|) (= (select .cse1 0) 48) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_29| 0) (= (select |v_#valid_85| 0) 0) (= 16 (select |v_#length_60| 2)) (= |v_#NULL.offset_10| 0) (< 0 |v_#StackHeapBarrier_18|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1)) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_39| |v_ULTIMATE.start_main_#t~pre16#1_33|)) |v_#memory_int_55|) (= (select |v_#length_60| 1) 2) (= |v_ULTIMATE.start_main_#t~pre16#1_33| |v_#pthreadsForks_52|) (= (select .cse0 |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_18|, #pthreadsForks=|v_#pthreadsForks_52|, #valid=|v_#valid_85|, #memory_int=|v_#memory_int_56|, #length=|v_#length_60|} OutVars{ULTIMATE.start_main_#t~pre18#1=|v_ULTIMATE.start_main_#t~pre18#1_25|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_29|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_39|, ~f1_6~0=v_~f1_6~0_95, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_32|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_22|, ~f1_2~0=v_~f1_2~0_89, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_57|, ~n_0~0=v_~n_0~0_69, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_32|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_33|, #length=|v_#length_59|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_30|, ~f2_3~0=v_~f2_3~0_91, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_28|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_32|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_16|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_32|, #StackHeapBarrier=|v_#StackHeapBarrier_18|, #valid=|v_#valid_84|, #memory_int=|v_#memory_int_55|, ~f2_7~0=v_~f2_7~0_79, ~l_8~0=v_~l_8~0_43, ULTIMATE.start_main_#t~nondet19#1=|v_ULTIMATE.start_main_#t~nondet19#1_13|, ~l_4~0=v_~l_4~0_37, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_32|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre18#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ~f1_6~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~mem21#1, ~f1_2~0, #pthreadsForks, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n_0~0, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~pre16#1, #length, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#t~nondet10#1, ~f2_3~0, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, #valid, #memory_int, ~f2_7~0, ~l_8~0, ULTIMATE.start_main_#t~nondet19#1, ~l_4~0, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 215#[L78-3]don't care [647] L78-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre16#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|} OutVars{thread1Thread1of1ForFork1_minus_#in~a#1=|v_thread1Thread1of1ForFork1_minus_#in~a#1_6|, thread1Thread1of1ForFork1_minus_#res#1=|v_thread1Thread1of1ForFork1_minus_#res#1_8|, thread1Thread1of1ForFork1_#t~ret3#1=|v_thread1Thread1of1ForFork1_#t~ret3#1_8|, thread1Thread1of1ForFork1_#t~ite4#1=|v_thread1Thread1of1ForFork1_#t~ite4#1_10|, thread1Thread1of1ForFork1_plus_~b#1=|v_thread1Thread1of1ForFork1_plus_~b#1_12|, thread1Thread1of1ForFork1_plus_#in~a#1=|v_thread1Thread1of1ForFork1_plus_#in~a#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2, thread1Thread1of1ForFork1_minus_#in~b#1=|v_thread1Thread1of1ForFork1_minus_#in~b#1_6|, thread1Thread1of1ForFork1_#t~post1#1=|v_thread1Thread1of1ForFork1_#t~post1#1_8|, thread1Thread1of1ForFork1_minus_~b#1=|v_thread1Thread1of1ForFork1_minus_~b#1_12|, thread1Thread1of1ForFork1_#t~ret2#1=|v_thread1Thread1of1ForFork1_#t~ret2#1_8|, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_18|, thread1Thread1of1ForFork1_~i~0#1=|v_thread1Thread1of1ForFork1_~i~0#1_12|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|, thread1Thread1of1ForFork1_#res#1.offset=|v_thread1Thread1of1ForFork1_#res#1.offset_4|, thread1Thread1of1ForFork1_plus_~a#1=|v_thread1Thread1of1ForFork1_plus_~a#1_12|, thread1Thread1of1ForFork1_minus_~a#1=|v_thread1Thread1of1ForFork1_minus_~a#1_12|, thread1Thread1of1ForFork1_#res#1.base=|v_thread1Thread1of1ForFork1_#res#1.base_4|, thread1Thread1of1ForFork1_plus_#in~b#1=|v_thread1Thread1of1ForFork1_plus_#in~b#1_6|, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_34|, thread1Thread1of1ForFork1_plus_#res#1=|v_thread1Thread1of1ForFork1_plus_#res#1_8|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_minus_#in~a#1, thread1Thread1of1ForFork1_minus_#res#1, thread1Thread1of1ForFork1_#t~ret3#1, thread1Thread1of1ForFork1_#t~ite4#1, thread1Thread1of1ForFork1_plus_~b#1, thread1Thread1of1ForFork1_plus_#in~a#1, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0, thread1Thread1of1ForFork1_minus_#in~b#1, thread1Thread1of1ForFork1_#t~post1#1, thread1Thread1of1ForFork1_minus_~b#1, thread1Thread1of1ForFork1_#t~ret2#1, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork1_~i~0#1, thread1Thread1of1ForFork1_#res#1.offset, thread1Thread1of1ForFork1_plus_~a#1, thread1Thread1of1ForFork1_minus_~a#1, thread1Thread1of1ForFork1_#res#1.base, thread1Thread1of1ForFork1_plus_#in~b#1, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork1_plus_#res#1] 217#[L78-4, thread1ENTRY]don't care [504] thread1ENTRY-->L44-5: Formula: (= |v_thread1Thread1of1ForFork1_~i~0#1_1| 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0#1=|v_thread1Thread1of1ForFork1_~i~0#1_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0#1] 221#[L78-4, L44-5]don't care [2022-07-26 14:12:27,833 INFO L735 eck$LassoCheckResult]: Loop: 221#[L78-4, L44-5]don't care [898] L44-5-->L44-5: Formula: (let ((.cse0 (+ |v_thread1Thread1of1ForFork1_plus_~a#1_Out_2| |v_thread1Thread1of1ForFork1_plus_~b#1_Out_2|))) (and (= v_~f2_3~0_In_3 |v_thread1Thread1of1ForFork1_minus_#in~b#1_Out_2|) (= (+ (* (- 1) |v_thread1Thread1of1ForFork1_minus_~b#1_Out_2|) |v_thread1Thread1of1ForFork1_minus_~a#1_Out_2|) |v_thread1Thread1of1ForFork1_minus_#res#1_Out_6|) (= |v_thread1Thread1of1ForFork1_plus_~a#1_Out_2| |v_thread1Thread1of1ForFork1_plus_#in~a#1_Out_2|) (= v_~f2_3~0_In_3 |v_thread1Thread1of1ForFork1_plus_#in~b#1_Out_2|) (not (= (ite (or (<= 0 (+ |v_thread1Thread1of1ForFork1_plus_~a#1_Out_2| 2147483648 |v_thread1Thread1of1ForFork1_plus_~b#1_Out_2|)) (<= 0 |v_thread1Thread1of1ForFork1_plus_~b#1_Out_2|)) 1 0) 0)) (= |v_thread1Thread1of1ForFork1_minus_#in~b#1_Out_2| |v_thread1Thread1of1ForFork1_minus_~b#1_Out_2|) (= v_~f1_2~0_In_5 |v_thread1Thread1of1ForFork1_plus_#in~a#1_Out_2|) (= |v_thread1Thread1of1ForFork1_plus_#in~b#1_Out_2| |v_thread1Thread1of1ForFork1_plus_~b#1_Out_2|) (= v_~f1_2~0_Out_2 |v_thread1Thread1of1ForFork1_minus_#in~a#1_Out_2|) (= (+ |v_thread1Thread1of1ForFork1_~i~0#1_In_5| 1) |v_thread1Thread1of1ForFork1_~i~0#1_Out_6|) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_Out_14| |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_Out_10|) (not (= (ite (or (<= .cse0 2147483647) (<= |v_thread1Thread1of1ForFork1_plus_~b#1_Out_2| 0)) 1 0) 0)) (< |v_thread1Thread1of1ForFork1_~i~0#1_In_5| v_~n_0~0_In_7) (not (= (ite (or (<= |v_thread1Thread1of1ForFork1_minus_~b#1_Out_2| 0) (<= |v_thread1Thread1of1ForFork1_minus_~b#1_Out_2| (+ |v_thread1Thread1of1ForFork1_minus_~a#1_Out_2| 2147483648))) 1 0) 0)) (= v_~f1_2~0_Out_2 |v_thread1Thread1of1ForFork1_plus_#res#1_Out_2|) (= v_~f2_3~0_Out_6 |v_thread1Thread1of1ForFork1_minus_#res#1_Out_6|) (= (ite (or (<= 0 |v_thread1Thread1of1ForFork1_minus_~b#1_Out_2|) (<= |v_thread1Thread1of1ForFork1_minus_~a#1_Out_2| (+ 2147483647 |v_thread1Thread1of1ForFork1_minus_~b#1_Out_2|))) 1 0) |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_Out_10|) (not (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_Out_14| 0)) (= .cse0 |v_thread1Thread1of1ForFork1_plus_#res#1_Out_2|) (= |v_thread1Thread1of1ForFork1_minus_#in~a#1_Out_2| |v_thread1Thread1of1ForFork1_minus_~a#1_Out_2|))) InVars {~f1_2~0=v_~f1_2~0_In_5, ~f2_3~0=v_~f2_3~0_In_3, thread1Thread1of1ForFork1_~i~0#1=|v_thread1Thread1of1ForFork1_~i~0#1_In_5|, ~n_0~0=v_~n_0~0_In_7} OutVars{thread1Thread1of1ForFork1_minus_#in~a#1=|v_thread1Thread1of1ForFork1_minus_#in~a#1_Out_2|, ~f2_3~0=v_~f2_3~0_Out_6, thread1Thread1of1ForFork1_#t~ret3#1=|v_thread1Thread1of1ForFork1_#t~ret3#1_Out_6|, thread1Thread1of1ForFork1_minus_#res#1=|v_thread1Thread1of1ForFork1_minus_#res#1_Out_6|, thread1Thread1of1ForFork1_plus_~b#1=|v_thread1Thread1of1ForFork1_plus_~b#1_Out_2|, thread1Thread1of1ForFork1_plus_#in~a#1=|v_thread1Thread1of1ForFork1_plus_#in~a#1_Out_2|, thread1Thread1of1ForFork1_minus_#in~b#1=|v_thread1Thread1of1ForFork1_minus_#in~b#1_Out_2|, thread1Thread1of1ForFork1_#t~post1#1=|v_thread1Thread1of1ForFork1_#t~post1#1_Out_6|, ~f1_2~0=v_~f1_2~0_Out_2, thread1Thread1of1ForFork1_minus_~b#1=|v_thread1Thread1of1ForFork1_minus_~b#1_Out_2|, thread1Thread1of1ForFork1_#t~ret2#1=|v_thread1Thread1of1ForFork1_#t~ret2#1_Out_2|, thread1Thread1of1ForFork1_~i~0#1=|v_thread1Thread1of1ForFork1_~i~0#1_Out_6|, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_Out_10|, ~n_0~0=v_~n_0~0_In_7, thread1Thread1of1ForFork1_minus_~a#1=|v_thread1Thread1of1ForFork1_minus_~a#1_Out_2|, thread1Thread1of1ForFork1_plus_~a#1=|v_thread1Thread1of1ForFork1_plus_~a#1_Out_2|, thread1Thread1of1ForFork1_plus_#in~b#1=|v_thread1Thread1of1ForFork1_plus_#in~b#1_Out_2|, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_Out_14|, thread1Thread1of1ForFork1_plus_#res#1=|v_thread1Thread1of1ForFork1_plus_#res#1_Out_2|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_minus_#in~a#1, ~f2_3~0, thread1Thread1of1ForFork1_#t~ret3#1, thread1Thread1of1ForFork1_minus_#res#1, thread1Thread1of1ForFork1_plus_~b#1, thread1Thread1of1ForFork1_plus_#in~a#1, thread1Thread1of1ForFork1_minus_#in~b#1, thread1Thread1of1ForFork1_#t~post1#1, ~f1_2~0, thread1Thread1of1ForFork1_minus_~b#1, thread1Thread1of1ForFork1_#t~ret2#1, thread1Thread1of1ForFork1_~i~0#1, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork1_minus_~a#1, thread1Thread1of1ForFork1_plus_~a#1, thread1Thread1of1ForFork1_plus_#in~b#1, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork1_plus_#res#1] 221#[L78-4, L44-5]don't care [2022-07-26 14:12:27,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:27,838 INFO L85 PathProgramCache]: Analyzing trace with hash 912369, now seen corresponding path program 1 times [2022-07-26 14:12:27,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:27,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207515878] [2022-07-26 14:12:27,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:27,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:27,942 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:27,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:27,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:27,973 INFO L85 PathProgramCache]: Analyzing trace with hash 929, now seen corresponding path program 1 times [2022-07-26 14:12:27,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:27,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94643234] [2022-07-26 14:12:27,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:27,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:27,993 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:28,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:28,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:28,015 INFO L85 PathProgramCache]: Analyzing trace with hash 28284337, now seen corresponding path program 1 times [2022-07-26 14:12:28,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:28,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291906816] [2022-07-26 14:12:28,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:28,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:28,060 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:28,090 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:28,350 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:12:28,351 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:12:28,351 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:12:28,351 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:12:28,351 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:12:28,351 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:28,351 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:12:28,352 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:12:28,352 INFO L133 ssoRankerPreferences]: Filename of dumped script: fibonacci.wvr.c_BEv2_Iteration1_Loop [2022-07-26 14:12:28,352 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:12:28,352 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:12:28,368 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 14:12:28,372 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 14:12:28,374 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 14:12:28,376 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 14:12:28,380 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 14:12:28,382 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 14:12:28,384 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 14:12:28,386 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 14:12:28,420 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 14:12:28,422 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 14:12:28,974 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:12:28,974 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:12:28,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:28,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:28,982 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 14:12:28,983 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 14:12:28,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:28,984 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:29,000 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:29,000 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_1=0} Honda state: {v_rep#funAddr~thread1.offset_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:29,016 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 14:12:29,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:29,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:29,018 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 14:12:29,018 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 14:12:29,022 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:29,022 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:29,048 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:29,048 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~ret3#1=0} Honda state: {thread1Thread1of1ForFork1_#t~ret3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:29,088 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 14:12:29,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:29,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:29,089 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 14:12:29,090 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 14:12:29,091 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:29,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:29,110 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:29,110 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post1#1=0} Honda state: {thread1Thread1of1ForFork1_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:29,151 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 14:12:29,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:29,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:29,153 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 14:12:29,174 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:29,175 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:29,183 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 14:12:29,221 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 14:12:29,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:29,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:29,232 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 14:12:29,243 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 14:12:29,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:12:29,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:29,363 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:12:29,366 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 14:12:29,366 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:12:29,366 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:12:29,366 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:12:29,367 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:12:29,367 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:12:29,367 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:29,367 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:12:29,367 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:12:29,367 INFO L133 ssoRankerPreferences]: Filename of dumped script: fibonacci.wvr.c_BEv2_Iteration1_Loop [2022-07-26 14:12:29,367 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:12:29,367 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:12:29,369 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 14:12:29,373 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 14:12:29,375 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 14:12:29,380 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 14:12:29,382 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 14:12:29,428 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 14:12:29,430 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 14:12:29,436 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 14:12:29,439 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 14:12:29,441 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 14:12:30,059 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:12:30,064 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:12:30,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:30,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:30,066 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 14:12:30,075 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 14:12:30,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:30,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:30,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:30,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:30,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:12:30,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:12:30,093 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 14:12:30,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:30,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:30,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:30,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:30,131 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 14:12:30,138 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 14:12:30,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:30,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:30,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:30,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:30,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:30,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:12:30,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:30,148 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 14:12:30,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:30,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:30,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:30,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:30,186 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 14:12:30,187 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 14:12:30,188 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 14:12:30,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:30,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:30,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:30,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:30,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:30,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:12:30,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:30,207 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:12:30,217 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 14:12:30,217 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 14:12:30,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:30,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:30,224 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 14:12:30,227 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 14:12:30,228 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:12:30,228 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:12:30,228 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:12:30,229 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~n_0~0, thread1Thread1of1ForFork1_~i~0#1) = 1*~n_0~0 - 1*thread1Thread1of1ForFork1_~i~0#1 Supporting invariants [] [2022-07-26 14:12:30,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:30,256 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:12:30,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:30,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:12:30,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:30,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:12:30,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:30,349 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 14:12:30,382 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 14:12:30,384 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 33 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 14:12:30,456 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 33 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 84 states and 231 transitions. Complement of second has 5 states. [2022-07-26 14:12:30,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 14:12:30,462 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 14:12:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2022-07-26 14:12:30,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-26 14:12:30,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:30,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-26 14:12:30,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:30,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-26 14:12:30,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:30,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 231 transitions. [2022-07-26 14:12:30,469 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-26 14:12:30,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 49 states and 131 transitions. [2022-07-26 14:12:30,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-07-26 14:12:30,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2022-07-26 14:12:30,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 131 transitions. [2022-07-26 14:12:30,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 14:12:30,475 INFO L220 hiAutomatonCegarLoop]: Abstraction has 49 states and 131 transitions. [2022-07-26 14:12:30,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 131 transitions. [2022-07-26 14:12:30,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 40. [2022-07-26 14:12:30,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 2.8) internal successors, (112), 39 states have internal predecessors, (112), 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 14:12:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 112 transitions. [2022-07-26 14:12:30,498 INFO L242 hiAutomatonCegarLoop]: Abstraction has 40 states and 112 transitions. [2022-07-26 14:12:30,498 INFO L426 stractBuchiCegarLoop]: Abstraction has 40 states and 112 transitions. [2022-07-26 14:12:30,498 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-26 14:12:30,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 112 transitions. [2022-07-26 14:12:30,499 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-26 14:12:30,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:12:30,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:12:30,500 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-26 14:12:30,500 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:12:30,500 INFO L733 eck$LassoCheckResult]: Stem: 400#[ULTIMATE.startENTRY]don't care [897] ULTIMATE.startENTRY-->L78-3: Formula: (let ((.cse1 (select |v_#memory_int_56| 1)) (.cse0 (store |v_#valid_85| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= |v_#NULL.base_10| 0) (< |v_#StackHeapBarrier_18| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) (= (select |v_#valid_85| 1) 1) (= (store .cse0 |v_ULTIMATE.start_main_~#t2~0#1.base_33| 1) |v_#valid_84|) (= (select |v_#valid_85| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_39|) (select |v_#length_59| |v_ULTIMATE.start_main_~#t1~0#1.base_45|)) (= (store (store |v_#length_60| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_33| 4) |v_#length_59|) (< |v_#StackHeapBarrier_18| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= (select .cse1 1) 0) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_39|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_57| 0)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_57| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|) (= (select |v_#valid_85| 2) 1) (= (ite (and (= v_~f1_2~0_89 v_~f1_6~0_95) (= v_~f2_3~0_91 v_~f2_7~0_79)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|) (= (select .cse1 0) 48) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_29| 0) (= (select |v_#valid_85| 0) 0) (= 16 (select |v_#length_60| 2)) (= |v_#NULL.offset_10| 0) (< 0 |v_#StackHeapBarrier_18|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1)) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_39| |v_ULTIMATE.start_main_#t~pre16#1_33|)) |v_#memory_int_55|) (= (select |v_#length_60| 1) 2) (= |v_ULTIMATE.start_main_#t~pre16#1_33| |v_#pthreadsForks_52|) (= (select .cse0 |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_18|, #pthreadsForks=|v_#pthreadsForks_52|, #valid=|v_#valid_85|, #memory_int=|v_#memory_int_56|, #length=|v_#length_60|} OutVars{ULTIMATE.start_main_#t~pre18#1=|v_ULTIMATE.start_main_#t~pre18#1_25|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_29|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_39|, ~f1_6~0=v_~f1_6~0_95, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_32|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_22|, ~f1_2~0=v_~f1_2~0_89, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_57|, ~n_0~0=v_~n_0~0_69, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_32|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_33|, #length=|v_#length_59|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_30|, ~f2_3~0=v_~f2_3~0_91, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_28|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_32|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_16|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_32|, #StackHeapBarrier=|v_#StackHeapBarrier_18|, #valid=|v_#valid_84|, #memory_int=|v_#memory_int_55|, ~f2_7~0=v_~f2_7~0_79, ~l_8~0=v_~l_8~0_43, ULTIMATE.start_main_#t~nondet19#1=|v_ULTIMATE.start_main_#t~nondet19#1_13|, ~l_4~0=v_~l_4~0_37, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_32|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_39|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre18#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ~f1_6~0, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~mem21#1, ~f1_2~0, #pthreadsForks, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n_0~0, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~pre16#1, #length, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#t~nondet10#1, ~f2_3~0, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, #valid, #memory_int, ~f2_7~0, ~l_8~0, ULTIMATE.start_main_#t~nondet19#1, ~l_4~0, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 402#[L78-3]don't care [647] L78-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre16#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|} OutVars{thread1Thread1of1ForFork1_minus_#in~a#1=|v_thread1Thread1of1ForFork1_minus_#in~a#1_6|, thread1Thread1of1ForFork1_minus_#res#1=|v_thread1Thread1of1ForFork1_minus_#res#1_8|, thread1Thread1of1ForFork1_#t~ret3#1=|v_thread1Thread1of1ForFork1_#t~ret3#1_8|, thread1Thread1of1ForFork1_#t~ite4#1=|v_thread1Thread1of1ForFork1_#t~ite4#1_10|, thread1Thread1of1ForFork1_plus_~b#1=|v_thread1Thread1of1ForFork1_plus_~b#1_12|, thread1Thread1of1ForFork1_plus_#in~a#1=|v_thread1Thread1of1ForFork1_plus_#in~a#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2, thread1Thread1of1ForFork1_minus_#in~b#1=|v_thread1Thread1of1ForFork1_minus_#in~b#1_6|, thread1Thread1of1ForFork1_#t~post1#1=|v_thread1Thread1of1ForFork1_#t~post1#1_8|, thread1Thread1of1ForFork1_minus_~b#1=|v_thread1Thread1of1ForFork1_minus_~b#1_12|, thread1Thread1of1ForFork1_#t~ret2#1=|v_thread1Thread1of1ForFork1_#t~ret2#1_8|, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_18|, thread1Thread1of1ForFork1_~i~0#1=|v_thread1Thread1of1ForFork1_~i~0#1_12|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|, thread1Thread1of1ForFork1_#res#1.offset=|v_thread1Thread1of1ForFork1_#res#1.offset_4|, thread1Thread1of1ForFork1_plus_~a#1=|v_thread1Thread1of1ForFork1_plus_~a#1_12|, thread1Thread1of1ForFork1_minus_~a#1=|v_thread1Thread1of1ForFork1_minus_~a#1_12|, thread1Thread1of1ForFork1_#res#1.base=|v_thread1Thread1of1ForFork1_#res#1.base_4|, thread1Thread1of1ForFork1_plus_#in~b#1=|v_thread1Thread1of1ForFork1_plus_#in~b#1_6|, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_34|, thread1Thread1of1ForFork1_plus_#res#1=|v_thread1Thread1of1ForFork1_plus_#res#1_8|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_minus_#in~a#1, thread1Thread1of1ForFork1_minus_#res#1, thread1Thread1of1ForFork1_#t~ret3#1, thread1Thread1of1ForFork1_#t~ite4#1, thread1Thread1of1ForFork1_plus_~b#1, thread1Thread1of1ForFork1_plus_#in~a#1, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0, thread1Thread1of1ForFork1_minus_#in~b#1, thread1Thread1of1ForFork1_#t~post1#1, thread1Thread1of1ForFork1_minus_~b#1, thread1Thread1of1ForFork1_#t~ret2#1, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork1_~i~0#1, thread1Thread1of1ForFork1_#res#1.offset, thread1Thread1of1ForFork1_plus_~a#1, thread1Thread1of1ForFork1_minus_~a#1, thread1Thread1of1ForFork1_#res#1.base, thread1Thread1of1ForFork1_plus_#in~b#1, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork1_plus_#res#1] 410#[L78-4, thread1ENTRY]don't care [817] L78-4-->L79-3: Formula: (and (= (select |v_#valid_58| |v_ULTIMATE.start_main_~#t2~0#1.base_25|) 1) (= |v_#memory_int_31| (store |v_#memory_int_32| |v_ULTIMATE.start_main_~#t2~0#1.base_25| (store (select |v_#memory_int_32| |v_ULTIMATE.start_main_~#t2~0#1.base_25|) |v_ULTIMATE.start_main_~#t2~0#1.offset_23| |v_ULTIMATE.start_main_#t~pre18#1_21|))) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_23| 4) (select |v_#length_41| |v_ULTIMATE.start_main_~#t2~0#1.base_25|)) (= |v_ULTIMATE.start_main_#t~pre18#1_21| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_23|) (= |v_#pthreadsForks_31| (+ |v_#pthreadsForks_32| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_32|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_23|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_32|, #length=|v_#length_41|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_25|} OutVars{ULTIMATE.start_main_#t~pre18#1=|v_ULTIMATE.start_main_#t~pre18#1_21|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_23|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_31|, #length=|v_#length_41|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_21|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_25|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre18#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet17#1] 452#[L79-3, thread1ENTRY]don't care [644] L79-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre18#1_6|) (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre18#1=|v_ULTIMATE.start_main_#t~pre18#1_6|} OutVars{ULTIMATE.start_main_#t~pre18#1=|v_ULTIMATE.start_main_#t~pre18#1_6|, thread2Thread1of1ForFork0_plus_#in~a#1=|v_thread2Thread1of1ForFork0_plus_#in~a#1_6|, thread2Thread1of1ForFork0_minus_~b#1=|v_thread2Thread1of1ForFork0_minus_~b#1_12|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_4|, thread2Thread1of1ForFork0_plus_~a#1=|v_thread2Thread1of1ForFork0_plus_~a#1_12|, thread2Thread1of1ForFork0_#t~ret7#1=|v_thread2Thread1of1ForFork0_#t~ret7#1_8|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_18|, thread2Thread1of1ForFork0_minus_#res#1=|v_thread2Thread1of1ForFork0_minus_#res#1_8|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_12|, thread2Thread1of1ForFork0_#t~post5#1=|v_thread2Thread1of1ForFork0_#t~post5#1_8|, thread2Thread1of1ForFork0_minus_~a#1=|v_thread2Thread1of1ForFork0_minus_~a#1_12|, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_34|, thread2Thread1of1ForFork0_plus_#in~b#1=|v_thread2Thread1of1ForFork0_plus_#in~b#1_6|, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_4|, thread2Thread1of1ForFork0_plus_~b#1=|v_thread2Thread1of1ForFork0_plus_~b#1_12|, thread2Thread1of1ForFork0_minus_#in~a#1=|v_thread2Thread1of1ForFork0_minus_#in~a#1_6|, thread2Thread1of1ForFork0_plus_#res#1=|v_thread2Thread1of1ForFork0_plus_#res#1_8|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_minus_#in~b#1=|v_thread2Thread1of1ForFork0_minus_#in~b#1_6|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#t~ite8#1=|v_thread2Thread1of1ForFork0_#t~ite8#1_10|, thread2Thread1of1ForFork0_#t~ret6#1=|v_thread2Thread1of1ForFork0_#t~ret6#1_8|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_plus_#in~a#1, thread2Thread1of1ForFork0_minus_~b#1, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_plus_~a#1, thread2Thread1of1ForFork0_#t~ret7#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_minus_#res#1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post5#1, thread2Thread1of1ForFork0_minus_~a#1, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_plus_#in~b#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_plus_~b#1, thread2Thread1of1ForFork0_minus_#in~a#1, thread2Thread1of1ForFork0_plus_#res#1, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_minus_#in~b#1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#t~ite8#1, thread2Thread1of1ForFork0_#t~ret6#1] 438#[thread2ENTRY, thread1ENTRY, L79-4]don't care [573] thread2ENTRY-->L54-5: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1] 442#[L54-5, thread1ENTRY, L79-4]don't care [2022-07-26 14:12:30,501 INFO L735 eck$LassoCheckResult]: Loop: 442#[L54-5, thread1ENTRY, L79-4]don't care [900] L54-5-->L54-5: Formula: (let ((.cse0 (+ |v_thread2Thread1of1ForFork0_plus_~a#1_61| |v_thread2Thread1of1ForFork0_plus_~b#1_61|))) (and (< |v_thread2Thread1of1ForFork0_~i~1#1_54| v_~n_0~0_73) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_143| |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_99|) (= |v_thread2Thread1of1ForFork0_plus_#res#1_45| .cse0) (= |v_thread2Thread1of1ForFork0_plus_#res#1_45| v_~f1_6~0_99) (not (= (ite (or (<= |v_thread2Thread1of1ForFork0_minus_~b#1_63| (+ 2147483648 |v_thread2Thread1of1ForFork0_minus_~a#1_59|)) (<= |v_thread2Thread1of1ForFork0_minus_~b#1_63| 0)) 1 0) 0)) (not (= (ite (or (<= |v_thread2Thread1of1ForFork0_plus_~b#1_61| 0) (<= .cse0 2147483647)) 1 0) 0)) (= |v_thread2Thread1of1ForFork0_plus_#in~b#1_29| v_~f2_7~0_84) (= |v_thread2Thread1of1ForFork0_plus_~b#1_61| |v_thread2Thread1of1ForFork0_plus_#in~b#1_29|) (= |v_thread2Thread1of1ForFork0_minus_#in~b#1_31| v_~f2_7~0_84) (= |v_thread2Thread1of1ForFork0_plus_~a#1_61| |v_thread2Thread1of1ForFork0_plus_#in~a#1_29|) (= |v_thread2Thread1of1ForFork0_minus_#in~b#1_31| |v_thread2Thread1of1ForFork0_minus_~b#1_63|) (= |v_thread2Thread1of1ForFork0_plus_#in~a#1_29| v_~f1_6~0_100) (= |v_thread2Thread1of1ForFork0_~i~1#1_53| (+ |v_thread2Thread1of1ForFork0_~i~1#1_54| 1)) (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_143| 0)) (= |v_thread2Thread1of1ForFork0_minus_#res#1_41| (+ (* (- 1) |v_thread2Thread1of1ForFork0_minus_~b#1_63|) |v_thread2Thread1of1ForFork0_minus_~a#1_59|)) (= (ite (or (<= 0 |v_thread2Thread1of1ForFork0_minus_~b#1_63|) (<= |v_thread2Thread1of1ForFork0_minus_~a#1_59| (+ 2147483647 |v_thread2Thread1of1ForFork0_minus_~b#1_63|))) 1 0) |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_99|) (= |v_thread2Thread1of1ForFork0_minus_#in~a#1_25| v_~f1_6~0_99) (= |v_thread2Thread1of1ForFork0_minus_#in~a#1_25| |v_thread2Thread1of1ForFork0_minus_~a#1_59|) (not (= (ite (or (<= 0 (+ |v_thread2Thread1of1ForFork0_plus_~a#1_61| |v_thread2Thread1of1ForFork0_plus_~b#1_61| 2147483648)) (<= 0 |v_thread2Thread1of1ForFork0_plus_~b#1_61|)) 1 0) 0)) (= |v_thread2Thread1of1ForFork0_minus_#res#1_41| v_~f2_7~0_83))) InVars {~n_0~0=v_~n_0~0_73, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_54|, ~f2_7~0=v_~f2_7~0_84, ~f1_6~0=v_~f1_6~0_100} OutVars{thread2Thread1of1ForFork0_plus_#in~a#1=|v_thread2Thread1of1ForFork0_plus_#in~a#1_29|, thread2Thread1of1ForFork0_minus_~b#1=|v_thread2Thread1of1ForFork0_minus_~b#1_63|, thread2Thread1of1ForFork0_plus_~a#1=|v_thread2Thread1of1ForFork0_plus_~a#1_61|, thread2Thread1of1ForFork0_#t~ret7#1=|v_thread2Thread1of1ForFork0_#t~ret7#1_29|, thread2Thread1of1ForFork0_minus_#res#1=|v_thread2Thread1of1ForFork0_minus_#res#1_41|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_99|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_53|, ~f1_6~0=v_~f1_6~0_99, thread2Thread1of1ForFork0_#t~post5#1=|v_thread2Thread1of1ForFork0_#t~post5#1_21|, thread2Thread1of1ForFork0_minus_~a#1=|v_thread2Thread1of1ForFork0_minus_~a#1_59|, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_143|, thread2Thread1of1ForFork0_plus_#in~b#1=|v_thread2Thread1of1ForFork0_plus_#in~b#1_29|, thread2Thread1of1ForFork0_minus_#in~a#1=|v_thread2Thread1of1ForFork0_minus_#in~a#1_25|, thread2Thread1of1ForFork0_plus_#res#1=|v_thread2Thread1of1ForFork0_plus_#res#1_45|, thread2Thread1of1ForFork0_plus_~b#1=|v_thread2Thread1of1ForFork0_plus_~b#1_61|, ~n_0~0=v_~n_0~0_73, ~f2_7~0=v_~f2_7~0_83, thread2Thread1of1ForFork0_minus_#in~b#1=|v_thread2Thread1of1ForFork0_minus_#in~b#1_31|, thread2Thread1of1ForFork0_#t~ret6#1=|v_thread2Thread1of1ForFork0_#t~ret6#1_43|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_plus_#in~a#1, thread2Thread1of1ForFork0_minus_~b#1, thread2Thread1of1ForFork0_plus_~a#1, thread2Thread1of1ForFork0_#t~ret7#1, thread2Thread1of1ForFork0_minus_#res#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_~i~1#1, ~f1_6~0, thread2Thread1of1ForFork0_#t~post5#1, thread2Thread1of1ForFork0_minus_~a#1, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_plus_#in~b#1, thread2Thread1of1ForFork0_minus_#in~a#1, thread2Thread1of1ForFork0_plus_#res#1, thread2Thread1of1ForFork0_plus_~b#1, ~f2_7~0, thread2Thread1of1ForFork0_minus_#in~b#1, thread2Thread1of1ForFork0_#t~ret6#1] 442#[L54-5, thread1ENTRY, L79-4]don't care [2022-07-26 14:12:30,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:30,502 INFO L85 PathProgramCache]: Analyzing trace with hash 877107939, now seen corresponding path program 1 times [2022-07-26 14:12:30,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:30,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989363551] [2022-07-26 14:12:30,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:30,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:30,521 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:30,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:30,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:30,537 INFO L85 PathProgramCache]: Analyzing trace with hash 931, now seen corresponding path program 1 times [2022-07-26 14:12:30,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:30,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425172066] [2022-07-26 14:12:30,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:30,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:30,549 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:30,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:30,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:30,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1420543233, now seen corresponding path program 1 times [2022-07-26 14:12:30,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:30,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475937577] [2022-07-26 14:12:30,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:30,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:30,585 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:30,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:30,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:30,931 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:12:30,931 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:12:30,931 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:12:30,931 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:12:30,931 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:12:30,931 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:30,931 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:12:30,931 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:12:30,932 INFO L133 ssoRankerPreferences]: Filename of dumped script: fibonacci.wvr.c_BEv2_Iteration2_Loop [2022-07-26 14:12:30,932 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:12:30,932 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:12:30,934 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 14:12:30,938 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 14:12:30,941 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 14:12:30,980 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 14:12:30,982 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 14:12:30,984 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 14:12:30,989 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 14:12:30,993 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 14:12:30,995 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 14:12:31,001 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 14:12:31,452 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:12:31,452 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:12:31,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:31,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:31,454 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 14:12:31,464 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:31,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:31,466 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 14:12:31,484 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:31,484 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork0_#t~ret7#1=0} Honda state: {thread2Thread1of1ForFork0_#t~ret7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:31,499 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 14:12:31,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:31,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:31,501 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 14:12:31,505 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 14:12:31,505 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:31,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:31,518 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:31,519 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_3=0} Honda state: {v_rep#funAddr~thread1.offset_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:31,536 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 14:12:31,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:31,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:31,537 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 14:12:31,538 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 14:12:31,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:31,543 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:31,892 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:31,892 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork0_plus_#in~a#1=0, thread2Thread1of1ForFork0_minus_~b#1=0, thread2Thread1of1ForFork0_plus_~a#1=0, thread2Thread1of1ForFork0_minus_#res#1=0, ~f1_6~0=0, thread2Thread1of1ForFork0_minus_~a#1=0, thread2Thread1of1ForFork0_plus_#in~b#1=0, thread2Thread1of1ForFork0_minus_#in~a#1=0, thread2Thread1of1ForFork0_plus_#res#1=0, thread2Thread1of1ForFork0_plus_~b#1=0, ~f2_7~0=0, thread2Thread1of1ForFork0_minus_#in~b#1=0} Honda state: {thread2Thread1of1ForFork0_plus_#in~a#1=0, thread2Thread1of1ForFork0_minus_~b#1=0, thread2Thread1of1ForFork0_plus_~a#1=0, thread2Thread1of1ForFork0_minus_#res#1=0, ~f1_6~0=0, thread2Thread1of1ForFork0_minus_~a#1=0, thread2Thread1of1ForFork0_plus_#in~b#1=0, thread2Thread1of1ForFork0_minus_#in~a#1=0, thread2Thread1of1ForFork0_plus_#res#1=0, thread2Thread1of1ForFork0_plus_~b#1=0, ~f2_7~0=0, thread2Thread1of1ForFork0_minus_#in~b#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:31,908 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 14:12:31,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:31,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:31,909 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 14:12:31,910 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 14:12:31,912 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:31,912 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:31,923 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:31,923 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_3=-1} Honda state: {v_rep#funAddr~thread1.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:31,941 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 14:12:31,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:31,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:31,943 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 14:12:31,944 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 14:12:31,945 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:31,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:31,957 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:31,957 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_3=-1} Honda state: {v_rep#funAddr~thread2.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:31,972 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 14:12:31,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:31,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:31,973 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 14:12:31,974 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 14:12:31,981 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:31,981 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:31,992 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:31,992 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=1, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=1} Honda state: {thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=1, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:32,007 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 14:12:32,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:32,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:32,009 INFO L229 MonitoredProcess]: Starting monitored process 17 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 14:12:32,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-26 14:12:32,010 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:32,010 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:32,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:32,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:32,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:32,061 INFO L229 MonitoredProcess]: Starting monitored process 18 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 14:12:32,066 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:12:32,066 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:32,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-26 14:12:32,184 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:12:32,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:32,187 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:12:32,187 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:12:32,187 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:12:32,188 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:12:32,188 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:12:32,188 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:32,188 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:12:32,188 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:12:32,188 INFO L133 ssoRankerPreferences]: Filename of dumped script: fibonacci.wvr.c_BEv2_Iteration2_Loop [2022-07-26 14:12:32,188 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:12:32,188 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:12:32,190 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 14:12:32,228 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 14:12:32,230 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 14:12:32,232 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 14:12:32,233 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 14:12:32,236 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 14:12:32,238 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 14:12:32,241 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 14:12:32,243 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 14:12:32,244 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 14:12:32,667 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:12:32,667 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:12:32,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:32,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:32,672 INFO L229 MonitoredProcess]: Starting monitored process 19 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 14:12:32,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-26 14:12:32,679 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 14:12:32,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:32,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:32,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:32,685 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-26 14:12:32,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:32,694 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-26 14:12:32,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:32,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:32,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:32,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:32,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:32,740 INFO L229 MonitoredProcess]: Starting monitored process 20 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 14:12:32,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-26 14:12:32,742 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 14:12:32,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:32,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:32,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:32,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:32,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:32,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:12:32,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:32,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:32,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:32,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:32,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:32,767 INFO L229 MonitoredProcess]: Starting monitored process 21 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 14:12:32,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-26 14:12:32,770 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 14:12:32,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:32,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:32,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:32,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:32,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:12:32,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:12:32,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:32,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:32,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:32,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:32,819 INFO L229 MonitoredProcess]: Starting monitored process 22 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 14:12:32,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-26 14:12:32,821 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 14:12:32,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:32,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:32,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:32,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:32,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:12:32,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:12:32,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:32,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:32,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:32,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:32,866 INFO L229 MonitoredProcess]: Starting monitored process 23 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 14:12:32,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-26 14:12:32,868 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 14:12:32,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:32,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:32,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:32,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:32,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:32,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:12:32,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:32,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:32,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-07-26 14:12:32,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:32,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:32,892 INFO L229 MonitoredProcess]: Starting monitored process 24 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 14:12:32,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-26 14:12:32,894 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 14:12:32,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:32,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:32,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:32,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:32,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:12:32,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:12:32,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:32,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:32,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:32,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:32,949 INFO L229 MonitoredProcess]: Starting monitored process 25 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 14:12:32,951 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 14:12:32,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-26 14:12:32,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:32,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:32,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:32,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:32,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:32,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:12:32,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:32,971 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:12:32,990 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 14:12:32,990 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 14:12:32,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:32,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:32,992 INFO L229 MonitoredProcess]: Starting monitored process 26 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 14:12:33,000 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:12:33,000 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:12:33,000 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:12:33,000 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork0_~i~1#1, ~n_0~0) = -1*thread2Thread1of1ForFork0_~i~1#1 + 1*~n_0~0 Supporting invariants [] [2022-07-26 14:12:33,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-26 14:12:33,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:33,026 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:12:33,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:33,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:12:33,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:33,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:12:33,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:33,074 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 14:12:33,074 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 14:12:33,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 112 transitions. cyclomatic complexity: 86 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 14:12:33,111 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 112 transitions. cyclomatic complexity: 86. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 83 states and 220 transitions. Complement of second has 4 states. [2022-07-26 14:12:33,112 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 14:12:33,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 14:12:33,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2022-07-26 14:12:33,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 14:12:33,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:33,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-26 14:12:33,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:33,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-26 14:12:33,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:33,114 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 220 transitions. [2022-07-26 14:12:33,116 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:12:33,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 0 states and 0 transitions. [2022-07-26 14:12:33,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 14:12:33,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 14:12:33,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 14:12:33,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 14:12:33,117 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:12:33,117 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:12:33,117 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:12:33,117 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-26 14:12:33,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-26 14:12:33,117 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:12:33,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 14:12:33,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 02:12:33 BoogieIcfgContainer [2022-07-26 14:12:33,123 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 14:12:33,124 INFO L158 Benchmark]: Toolchain (without parser) took 11665.35ms. Allocated memory was 179.3MB in the beginning and 316.7MB in the end (delta: 137.4MB). Free memory was 124.5MB in the beginning and 144.6MB in the end (delta: -20.2MB). Peak memory consumption was 117.3MB. Max. memory is 8.0GB. [2022-07-26 14:12:33,124 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 14:12:33,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.53ms. Allocated memory was 179.3MB in the beginning and 263.2MB in the end (delta: 83.9MB). Free memory was 124.3MB in the beginning and 235.0MB in the end (delta: -110.8MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. [2022-07-26 14:12:33,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.47ms. Allocated memory is still 263.2MB. Free memory was 235.0MB in the beginning and 233.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 14:12:33,125 INFO L158 Benchmark]: Boogie Preprocessor took 35.51ms. Allocated memory is still 263.2MB. Free memory was 233.0MB in the beginning and 231.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 14:12:33,125 INFO L158 Benchmark]: RCFGBuilder took 505.44ms. Allocated memory is still 263.2MB. Free memory was 231.9MB in the beginning and 214.6MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-07-26 14:12:33,126 INFO L158 Benchmark]: BuchiAutomizer took 10812.44ms. Allocated memory was 263.2MB in the beginning and 316.7MB in the end (delta: 53.5MB). Free memory was 214.6MB in the beginning and 144.6MB in the end (delta: 69.9MB). Peak memory consumption was 124.0MB. Max. memory is 8.0GB. [2022-07-26 14:12:33,128 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 179.3MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 255.53ms. Allocated memory was 179.3MB in the beginning and 263.2MB in the end (delta: 83.9MB). Free memory was 124.3MB in the beginning and 235.0MB in the end (delta: -110.8MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.47ms. Allocated memory is still 263.2MB. Free memory was 235.0MB in the beginning and 233.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.51ms. Allocated memory is still 263.2MB. Free memory was 233.0MB in the beginning and 231.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 505.44ms. Allocated memory is still 263.2MB. Free memory was 231.9MB in the beginning and 214.6MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * BuchiAutomizer took 10812.44ms. Allocated memory was 263.2MB in the beginning and 316.7MB in the end (delta: 53.5MB). Free memory was 214.6MB in the beginning and 144.6MB in the end (delta: 69.9MB). Peak memory consumption was 124.0MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + n_0 and consists of 4 locations. One deterministic module has affine ranking function n_0 + -1 * i and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital93 mio100 ax125 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq165 hnf90 smp100 dnf1312 smp14 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s InitialAbstractionConstructionTime: 5.2s - 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: 5.1s, 207 PlacesBefore, 20 PlacesAfterwards, 216 TransitionsBefore, 15 TransitionsAfterwards, 11592 CoEnabledTransitionPairs, 8 FixpointIterations, 60 TrivialSequentialCompositions, 128 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 41 ConcurrentYvCompositions, 14 ChoiceCompositions, 251 TotalNumberOfCompositions, 9487 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9487, positive: 9487, positive conditional: 0, positive unconditional: 9487, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6544, positive: 6544, positive conditional: 0, positive unconditional: 6544, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9487, positive: 2943, positive conditional: 0, positive unconditional: 2943, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6544, unknown conditional: 0, unknown unconditional: 6544] , Statistics on independence cache: Total cache size (in pairs): 19, Positive cache size: 19, Positive conditional cache size: 0, Positive unconditional cache size: 19, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-26 14:12:33,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:33,377 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...