/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:50:41,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:50:41,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:50:41,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 13:50:41,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:50:41,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:50:41,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:50:41,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:50:41,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:50:41,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:50:41,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:50:41,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:50:41,749 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:50:41,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:50:41,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:50:41,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:50:41,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:50:41,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:50:41,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:50:41,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:50:41,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:50:41,779 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-26 13:50:41,801 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:50:41,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:50:41,802 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:50:41,802 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:50:41,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:50:41,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:50:41,803 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:50:41,803 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:50:41,803 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:50:41,804 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:50:41,804 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:50:41,804 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:50:41,804 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:50:41,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:50:41,804 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:50:41,804 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:50:41,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:50:41,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:50:41,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:50:41,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:50:41,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:50:41,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:50:41,805 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:50:41,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:50:41,805 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:50:41,805 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:50:41,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:50:41,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:50:41,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:50:41,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:50:41,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:50:41,807 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:50:41,807 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:50:41,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:50:42,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:50:42,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:50:42,003 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:50:42,003 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:50:42,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c [2022-07-26 13:50:42,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963689e1c/dc779a45f96a4fe0a9fab8358647bd30/FLAGf8f86e0f8 [2022-07-26 13:50:42,420 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:50:42,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c [2022-07-26 13:50:42,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963689e1c/dc779a45f96a4fe0a9fab8358647bd30/FLAGf8f86e0f8 [2022-07-26 13:50:42,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963689e1c/dc779a45f96a4fe0a9fab8358647bd30 [2022-07-26 13:50:42,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:50:42,435 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:50:42,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:50:42,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:50:42,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:50:42,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556dcf0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42, skipping insertion in model container [2022-07-26 13:50:42,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:50:42,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:50:42,632 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 13:50:42,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:50:42,649 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:50:42,678 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 13:50:42,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:50:42,690 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:50:42,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42 WrapperNode [2022-07-26 13:50:42,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:50:42,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:50:42,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:50:42,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:50:42,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,733 INFO L137 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 159 [2022-07-26 13:50:42,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:50:42,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:50:42,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:50:42,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:50:42,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:50:42,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:50:42,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:50:42,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:50:42,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:42,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:42,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:42,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-26 13:50:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:50:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:50:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:50:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:50:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:50:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:50:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:50:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:50:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:50:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:50:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:50:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:50:42,824 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 13:50:42,879 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:50:42,880 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:50:43,072 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:50:43,079 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:50:43,080 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-26 13:50:43,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:50:43 BoogieIcfgContainer [2022-07-26 13:50:43,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:50:43,082 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:50:43,082 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:50:43,094 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:50:43,095 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:50:43,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:50:42" (1/3) ... [2022-07-26 13:50:43,095 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2dc142f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:50:43, skipping insertion in model container [2022-07-26 13:50:43,095 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:50:43,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42" (2/3) ... [2022-07-26 13:50:43,096 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2dc142f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:50:43, skipping insertion in model container [2022-07-26 13:50:43,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:50:43,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:50:43" (3/3) ... [2022-07-26 13:50:43,097 INFO L322 chiAutomizerObserver]: Analyzing ICFG fibonacci.wvr.c [2022-07-26 13:50:43,189 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-26 13:50:43,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 209 places, 220 transitions, 456 flow [2022-07-26 13:50:43,294 INFO L129 PetriNetUnfolder]: 16/216 cut-off events. [2022-07-26 13:50:43,294 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 13:50:43,299 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 13:50:43,300 INFO L82 GeneralOperation]: Start removeDead. Operand has 209 places, 220 transitions, 456 flow [2022-07-26 13:50:43,313 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 207 places, 216 transitions, 444 flow [2022-07-26 13:50:43,316 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:50:43,326 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 216 transitions, 444 flow [2022-07-26 13:50:43,327 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 216 transitions, 444 flow [2022-07-26 13:50:43,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 216 transitions, 444 flow [2022-07-26 13:50:43,392 INFO L129 PetriNetUnfolder]: 16/216 cut-off events. [2022-07-26 13:50:43,393 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 13:50:43,395 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 13:50:43,400 INFO L116 LiptonReduction]: Number of co-enabled transitions 11592 [2022-07-26 13:50:47,777 INFO L131 LiptonReduction]: Checked pairs total: 9487 [2022-07-26 13:50:47,777 INFO L133 LiptonReduction]: Total number of compositions: 251 [2022-07-26 13:50:47,790 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:50:47,790 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:50:47,791 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:50:47,791 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:50:47,791 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:50:47,791 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:50:47,791 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:50:47,791 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:50:47,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:50:47,811 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 14 [2022-07-26 13:50:47,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:50:47,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:50:47,815 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 13:50:47,815 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:50:47,815 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 13:50:47,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 33 states, but on-demand construction may add more states [2022-07-26 13:50:47,817 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 14 [2022-07-26 13:50:47,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:50:47,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:50:47,818 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 13:50:47,818 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:50:47,821 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#[thread1ENTRY, L78-4]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#[L44-5, L78-4]don't care [2022-07-26 13:50:47,821 INFO L735 eck$LassoCheckResult]: Loop: 221#[L44-5, L78-4]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#[L44-5, L78-4]don't care [2022-07-26 13:50:47,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:47,825 INFO L85 PathProgramCache]: Analyzing trace with hash 912369, now seen corresponding path program 1 times [2022-07-26 13:50:47,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:47,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443803439] [2022-07-26 13:50:47,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:47,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:47,938 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:47,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:47,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:47,977 INFO L85 PathProgramCache]: Analyzing trace with hash 929, now seen corresponding path program 1 times [2022-07-26 13:50:47,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:47,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126756084] [2022-07-26 13:50:47,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:47,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:47,990 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:48,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:48,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:48,002 INFO L85 PathProgramCache]: Analyzing trace with hash 28284337, now seen corresponding path program 1 times [2022-07-26 13:50:48,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:48,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155015537] [2022-07-26 13:50:48,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:48,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:48,039 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:48,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:48,258 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:50:48,259 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:50:48,259 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:50:48,259 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:50:48,259 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:50:48,259 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,259 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:50:48,259 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:50:48,259 INFO L133 ssoRankerPreferences]: Filename of dumped script: fibonacci.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:50:48,259 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:50:48,259 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:50:48,273 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,277 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,278 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,280 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,284 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,286 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,287 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,289 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,315 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,317 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,816 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:50:48,817 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:50:48,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:48,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:48,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-26 13:50:48,821 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:48,821 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:48,833 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:48,834 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 13:50:48,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:48,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:48,870 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:48,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-26 13:50:48,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:48,883 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:48,908 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:48,908 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 13:50:48,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:48,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:48,927 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:48,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-26 13:50:48,929 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:48,929 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:48,950 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:48,950 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 13:50:48,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:48,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:48,971 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:48,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-26 13:50:48,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:48,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:49,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,023 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-26 13:50:49,056 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:50:49,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:49,167 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:50:49,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,170 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:50:49,170 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:50:49,170 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:50:49,171 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:50:49,171 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:50:49,171 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,171 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:50:49,171 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:50:49,171 INFO L133 ssoRankerPreferences]: Filename of dumped script: fibonacci.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:50:49,171 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:50:49,171 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:50:49,173 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,185 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,187 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,191 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,192 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,225 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,227 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,231 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,233 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 13:50:49,235 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,720 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:50:49,723 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:50:49,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,728 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-26 13:50:49,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:49,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:49,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:49,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:49,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:49,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:50:49,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:50:49,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:49,779 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 13:50:49,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,781 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-26 13:50:49,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:49,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:49,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:49,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:49,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:49,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:49,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:50:49,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:49,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:49,823 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 13:50:49,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,825 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-26 13:50:49,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:49,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:49,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:49,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:49,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:49,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:49,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:50:49,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:49,851 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:50:49,868 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 13:50:49,868 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:50:49,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,871 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-26 13:50:49,872 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:50:49,872 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:50:49,872 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:50:49,873 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 13:50:49,891 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 13:50:49,892 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:50:49,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:49,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:50:49,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:49,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:50:49,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:49,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:50:49,980 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:50:49,982 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 13:50:50,041 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 13:50:50,044 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 13:50:50,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:50,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2022-07-26 13:50:50,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-26 13:50:50,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:50,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-26 13:50:50,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:50,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-26 13:50:50,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:50,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 231 transitions. [2022-07-26 13:50:50,065 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-26 13:50:50,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 49 states and 131 transitions. [2022-07-26 13:50:50,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-07-26 13:50:50,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2022-07-26 13:50:50,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 131 transitions. [2022-07-26 13:50:50,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:50:50,073 INFO L220 hiAutomatonCegarLoop]: Abstraction has 49 states and 131 transitions. [2022-07-26 13:50:50,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 131 transitions. [2022-07-26 13:50:50,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 40. [2022-07-26 13:50:50,091 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 13:50:50,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 112 transitions. [2022-07-26 13:50:50,092 INFO L242 hiAutomatonCegarLoop]: Abstraction has 40 states and 112 transitions. [2022-07-26 13:50:50,092 INFO L426 stractBuchiCegarLoop]: Abstraction has 40 states and 112 transitions. [2022-07-26 13:50:50,093 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-26 13:50:50,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 112 transitions. [2022-07-26 13:50:50,094 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-26 13:50:50,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:50:50,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:50:50,094 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-26 13:50:50,094 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:50:50,095 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#[thread1ENTRY, L78-4]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#[thread1ENTRY, L79-3]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#[L79-4, thread1ENTRY, thread2ENTRY]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#[L79-4, thread1ENTRY, L54-5]don't care [2022-07-26 13:50:50,097 INFO L735 eck$LassoCheckResult]: Loop: 442#[L79-4, thread1ENTRY, L54-5]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#[L79-4, thread1ENTRY, L54-5]don't care [2022-07-26 13:50:50,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:50,097 INFO L85 PathProgramCache]: Analyzing trace with hash 877107939, now seen corresponding path program 1 times [2022-07-26 13:50:50,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:50,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036443573] [2022-07-26 13:50:50,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:50,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:50,131 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:50,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:50,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:50,155 INFO L85 PathProgramCache]: Analyzing trace with hash 931, now seen corresponding path program 1 times [2022-07-26 13:50:50,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:50,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399038147] [2022-07-26 13:50:50,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:50,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:50,168 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:50,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:50,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:50,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1420543233, now seen corresponding path program 1 times [2022-07-26 13:50:50,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:50,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413144109] [2022-07-26 13:50:50,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:50,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:50,211 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:50,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:50,404 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 13:50:50,465 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:50:50,466 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:50:50,466 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:50:50,466 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:50:50,466 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:50:50,466 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,466 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:50:50,466 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:50:50,466 INFO L133 ssoRankerPreferences]: Filename of dumped script: fibonacci.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:50:50,466 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:50:50,466 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:50:50,467 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,470 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,472 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,504 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,506 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,508 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,512 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,516 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,518 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,520 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,901 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:50:50,901 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:50:50,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,902 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:50,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:50,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-26 13:50:50,926 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:50,926 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 13:50:50,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-07-26 13:50:50,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,942 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-26 13:50:50,944 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:50,944 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:50,965 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:50,965 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 13:50:50,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:50,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,984 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:50,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-26 13:50:50,997 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:51,349 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:51,349 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 13:50:51,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:51,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:51,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:51,366 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:51,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-26 13:50:51,369 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:51,369 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:51,382 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:51,383 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 13:50:51,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:51,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:51,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:51,399 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:51,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-26 13:50:51,401 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:51,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:51,422 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:51,422 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 13:50:51,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:51,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:51,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:51,439 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:51,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-26 13:50:51,441 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:51,441 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:51,462 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:51,463 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 13:50:51,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:51,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:51,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:51,478 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 13:50:51,479 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 13:50:51,480 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:51,480 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:51,516 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 13:50:51,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:51,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:51,517 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 13:50:51,518 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 13:50:51,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:50:51,519 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:51,637 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:50:51,639 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 13:50:51,639 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:50:51,639 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:50:51,639 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:50:51,640 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:50:51,640 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:50:51,640 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:51,640 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:50:51,640 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:50:51,640 INFO L133 ssoRankerPreferences]: Filename of dumped script: fibonacci.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:50:51,640 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:50:51,640 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:50:51,652 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:51,682 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:51,684 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:51,685 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:51,687 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:51,690 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:51,691 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:51,695 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:51,696 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:51,697 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:52,066 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:50:52,066 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:50:52,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:52,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:52,068 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 13:50:52,068 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 13:50:52,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:52,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:52,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:52,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:52,076 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-26 13:50:52,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:52,082 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-26 13:50:52,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:52,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:52,113 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 13:50:52,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:52,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:52,114 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 13:50:52,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:52,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:52,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:52,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:52,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:52,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:52,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:50:52,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:52,129 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 13:50:52,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:52,154 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 13:50:52,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:52,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:52,155 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 13:50:52,169 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 13:50:52,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:52,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:52,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:52,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:52,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:52,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:50:52,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:50:52,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:52,192 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 13:50:52,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:52,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:52,193 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 13:50:52,194 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 13:50:52,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:52,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:52,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:52,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:52,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:52,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:50:52,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:50:52,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:52,230 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 13:50:52,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:52,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:52,231 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 13:50:52,241 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 13:50:52,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:52,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:52,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:52,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:52,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:52,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:52,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:50:52,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:52,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:52,265 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 13:50:52,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:52,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:52,266 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 13:50:52,269 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 13:50:52,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:52,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:52,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:52,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:52,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:52,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:50:52,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:50:52,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:52,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-07-26 13:50:52,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:52,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:52,308 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 13:50:52,308 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 13:50:52,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:52,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:52,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:52,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:52,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:52,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:52,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:50:52,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:52,327 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:50:52,339 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 13:50:52,339 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:50:52,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:52,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:52,340 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 13:50:52,341 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 13:50:52,342 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:50:52,342 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:50:52,342 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:50:52,342 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 13:50:52,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-07-26 13:50:52,360 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:50:52,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:52,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:50:52,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:52,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:50:52,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:50:52,413 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:50:52,413 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 13:50:52,455 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 13:50:52,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 13:50:52,455 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 13:50:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2022-07-26 13:50:52,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 13:50:52,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:52,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-26 13:50:52,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:52,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-26 13:50:52,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:52,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 220 transitions. [2022-07-26 13:50:52,461 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:50:52,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 0 states and 0 transitions. [2022-07-26 13:50:52,462 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 13:50:52,462 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 13:50:52,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 13:50:52,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 13:50:52,462 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:50:52,462 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:50:52,462 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:50:52,462 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-26 13:50:52,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-26 13:50:52,462 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:50:52,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:50:52,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:50:52 BoogieIcfgContainer [2022-07-26 13:50:52,466 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:50:52,467 INFO L158 Benchmark]: Toolchain (without parser) took 10031.27ms. Allocated memory was 198.2MB in the beginning and 259.0MB in the end (delta: 60.8MB). Free memory was 147.3MB in the beginning and 98.9MB in the end (delta: 48.4MB). Peak memory consumption was 110.8MB. Max. memory is 8.0GB. [2022-07-26 13:50:52,467 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 198.2MB. Free memory is still 164.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:50:52,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.06ms. Allocated memory is still 198.2MB. Free memory was 147.0MB in the beginning and 171.7MB in the end (delta: -24.7MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2022-07-26 13:50:52,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.38ms. Allocated memory is still 198.2MB. Free memory was 171.7MB in the beginning and 169.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 13:50:52,468 INFO L158 Benchmark]: Boogie Preprocessor took 23.00ms. Allocated memory is still 198.2MB. Free memory was 169.7MB in the beginning and 168.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:50:52,468 INFO L158 Benchmark]: RCFGBuilder took 323.71ms. Allocated memory is still 198.2MB. Free memory was 168.3MB in the beginning and 152.3MB in the end (delta: 16.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-07-26 13:50:52,468 INFO L158 Benchmark]: BuchiAutomizer took 9384.52ms. Allocated memory was 198.2MB in the beginning and 259.0MB in the end (delta: 60.8MB). Free memory was 152.3MB in the beginning and 98.9MB in the end (delta: 53.4MB). Peak memory consumption was 115.7MB. Max. memory is 8.0GB. [2022-07-26 13:50:52,469 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 198.2MB. Free memory is still 164.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 254.06ms. Allocated memory is still 198.2MB. Free memory was 147.0MB in the beginning and 171.7MB in the end (delta: -24.7MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.38ms. Allocated memory is still 198.2MB. Free memory was 171.7MB in the beginning and 169.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.00ms. Allocated memory is still 198.2MB. Free memory was 169.7MB in the beginning and 168.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 323.71ms. Allocated memory is still 198.2MB. Free memory was 168.3MB in the beginning and 152.3MB in the end (delta: 16.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * BuchiAutomizer took 9384.52ms. Allocated memory was 198.2MB in the beginning and 259.0MB in the end (delta: 60.8MB). Free memory was 152.3MB in the beginning and 98.9MB in the end (delta: 53.4MB). Peak memory consumption was 115.7MB. 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 9.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. 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: 36ms 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: 4.5s - 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: 4.5s, 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: UnionIndependenceRelation.Independence Queries: [ total: 8404, positive: 8404, positive conditional: 0, positive unconditional: 8404, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8404, positive: 8404, positive conditional: 0, positive unconditional: 8404, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9487, positive: 1083, positive conditional: 0, positive unconditional: 1083, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8404, unknown conditional: 0, unknown unconditional: 8404] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, 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 13:50:52,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-07-26 13:50:52,701 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...