/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf -i ../../../trunk/examples/svcomp/weaver/test-easy1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 14:19:53,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 14:19:53,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 14:19:53,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 14:19:53,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 14:19:53,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 14:19:53,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 14:19:53,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 14:19:53,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 14:19:53,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 14:19:53,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 14:19:53,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 14:19:53,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 14:19:53,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 14:19:53,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 14:19:53,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 14:19:53,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 14:19:53,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 14:19:53,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 14:19:53,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 14:19:53,979 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 14:19:53,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 14:19:53,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 14:19:53,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 14:19:53,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 14:19:53,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 14:19:53,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 14:19:53,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 14:19:53,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 14:19:53,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-26 14:19:54,012 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 14:19:54,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 14:19:54,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 14:19:54,012 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 14:19:54,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 14:19:54,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 14:19:54,013 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 14:19:54,013 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 14:19:54,014 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 14:19:54,014 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 14:19:54,014 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 14:19:54,014 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 14:19:54,014 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 14:19:54,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 14:19:54,014 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 14:19:54,014 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 14:19:54,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 14:19:54,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 14:19:54,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 14:19:54,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 14:19:54,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 14:19:54,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 14:19:54,015 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 14:19:54,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 14:19:54,015 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 14:19:54,016 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 14:19:54,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 14:19:54,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 14:19:54,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 14:19:54,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 14:19:54,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 14:19:54,016 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-26 14:19:54,017 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 14:19:54,017 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 14:19:54,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 14:19:54,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 14:19:54,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 14:19:54,184 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 14:19:54,184 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 14:19:54,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy1.wvr.c [2022-07-26 14:19:54,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd7b40fb/93931eb6d65e4e459983b160466bf6ba/FLAG3afb5e40c [2022-07-26 14:19:54,600 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 14:19:54,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy1.wvr.c [2022-07-26 14:19:54,605 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd7b40fb/93931eb6d65e4e459983b160466bf6ba/FLAG3afb5e40c [2022-07-26 14:19:55,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd7b40fb/93931eb6d65e4e459983b160466bf6ba [2022-07-26 14:19:55,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 14:19:55,040 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 14:19:55,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 14:19:55,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 14:19:55,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 14:19:55,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:19:55" (1/1) ... [2022-07-26 14:19:55,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26726ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:19:55, skipping insertion in model container [2022-07-26 14:19:55,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:19:55" (1/1) ... [2022-07-26 14:19:55,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 14:19:55,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 14:19:55,188 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/test-easy1.wvr.c[1876,1889] [2022-07-26 14:19:55,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:19:55,194 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 14:19:55,207 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/test-easy1.wvr.c[1876,1889] [2022-07-26 14:19:55,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:19:55,217 INFO L208 MainTranslator]: Completed translation [2022-07-26 14:19:55,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:19:55 WrapperNode [2022-07-26 14:19:55,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 14:19:55,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 14:19:55,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 14:19:55,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 14:19:55,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:19:55" (1/1) ... [2022-07-26 14:19:55,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:19:55" (1/1) ... [2022-07-26 14:19:55,252 INFO L137 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-07-26 14:19:55,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 14:19:55,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 14:19:55,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 14:19:55,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 14:19:55,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:19:55" (1/1) ... [2022-07-26 14:19:55,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:19:55" (1/1) ... [2022-07-26 14:19:55,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:19:55" (1/1) ... [2022-07-26 14:19:55,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:19:55" (1/1) ... [2022-07-26 14:19:55,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:19:55" (1/1) ... [2022-07-26 14:19:55,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:19:55" (1/1) ... [2022-07-26 14:19:55,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:19:55" (1/1) ... [2022-07-26 14:19:55,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 14:19:55,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 14:19:55,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 14:19:55,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 14:19:55,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:19:55" (1/1) ... [2022-07-26 14:19:55,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:55,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:55,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:55,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-26 14:19:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 14:19:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 14:19:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 14:19:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 14:19:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 14:19:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 14:19:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 14:19:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 14:19:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 14:19:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 14:19:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 14:19:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 14:19:55,327 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 14:19:55,372 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 14:19:55,373 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 14:19:55,475 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 14:19:55,479 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 14:19:55,480 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-26 14:19:55,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:19:55 BoogieIcfgContainer [2022-07-26 14:19:55,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 14:19:55,482 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 14:19:55,482 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 14:19:55,484 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 14:19:55,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:19:55,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 02:19:55" (1/3) ... [2022-07-26 14:19:55,485 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45b4229d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:19:55, skipping insertion in model container [2022-07-26 14:19:55,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:19:55,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:19:55" (2/3) ... [2022-07-26 14:19:55,486 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45b4229d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:19:55, skipping insertion in model container [2022-07-26 14:19:55,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:19:55,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:19:55" (3/3) ... [2022-07-26 14:19:55,487 INFO L322 chiAutomizerObserver]: Analyzing ICFG test-easy1.wvr.c [2022-07-26 14:19:55,531 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-26 14:19:55,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 83 transitions, 182 flow [2022-07-26 14:19:55,578 INFO L129 PetriNetUnfolder]: 6/79 cut-off events. [2022-07-26 14:19:55,578 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 14:19:55,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 79 events. 6/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-07-26 14:19:55,581 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 83 transitions, 182 flow [2022-07-26 14:19:55,587 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 79 transitions, 170 flow [2022-07-26 14:19:55,589 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-26 14:19:55,595 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 79 transitions, 170 flow [2022-07-26 14:19:55,596 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 79 transitions, 170 flow [2022-07-26 14:19:55,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 79 transitions, 170 flow [2022-07-26 14:19:55,615 INFO L129 PetriNetUnfolder]: 6/79 cut-off events. [2022-07-26 14:19:55,615 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 14:19:55,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 79 events. 6/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-07-26 14:19:55,619 INFO L116 LiptonReduction]: Number of co-enabled transitions 368 [2022-07-26 14:19:57,494 INFO L131 LiptonReduction]: Checked pairs total: 364 [2022-07-26 14:19:57,495 INFO L133 LiptonReduction]: Total number of compositions: 80 [2022-07-26 14:19:57,523 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 14:19:57,523 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 14:19:57,523 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 14:19:57,523 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 14:19:57,523 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 14:19:57,523 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 14:19:57,523 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 14:19:57,523 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 14:19:57,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 14:19:57,563 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 10 [2022-07-26 14:19:57,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:19:57,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:19:57,569 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-26 14:19:57,569 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:19:57,569 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 14:19:57,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 19 states, but on-demand construction may add more states [2022-07-26 14:19:57,573 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 10 [2022-07-26 14:19:57,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:19:57,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:19:57,573 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-26 14:19:57,573 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:19:57,577 INFO L733 eck$LassoCheckResult]: Stem: 85#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 88#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 90#[L41-1, L64-4]don't care [2022-07-26 14:19:57,577 INFO L735 eck$LassoCheckResult]: Loop: 90#[L41-1, L64-4]don't care [263] L41-1-->L41-1: Formula: (and (< v_~x1~0_38 10000) (= v_~x1~0_37 (+ v_~x1~0_38 1))) InVars {~x1~0=v_~x1~0_38} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_13|, ~x1~0=v_~x1~0_37} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~x1~0] 90#[L41-1, L64-4]don't care [2022-07-26 14:19:57,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:19:57,582 INFO L85 PathProgramCache]: Analyzing trace with hash 9998, now seen corresponding path program 1 times [2022-07-26 14:19:57,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:19:57,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220106505] [2022-07-26 14:19:57,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:19:57,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:19:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:19:57,695 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:19:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:19:57,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:19:57,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:19:57,740 INFO L85 PathProgramCache]: Analyzing trace with hash 294, now seen corresponding path program 1 times [2022-07-26 14:19:57,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:19:57,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121289699] [2022-07-26 14:19:57,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:19:57,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:19:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:19:57,749 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:19:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:19:57,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:19:57,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:19:57,764 INFO L85 PathProgramCache]: Analyzing trace with hash 310201, now seen corresponding path program 1 times [2022-07-26 14:19:57,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:19:57,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924386522] [2022-07-26 14:19:57,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:19:57,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:19:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:19:57,788 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:19:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:19:57,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:19:57,843 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:19:57,843 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:19:57,843 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:19:57,844 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:19:57,844 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:19:57,844 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:57,844 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:19:57,844 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:19:57,844 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration1_Loop [2022-07-26 14:19:57,844 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:19:57,844 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:19:57,855 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:57,860 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:57,864 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:57,866 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:57,868 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:57,870 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:57,910 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:19:57,911 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:19:57,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:57,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:57,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:57,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-26 14:19:57,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:19:57,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:19:57,936 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:19:57,936 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_1=1} Honda state: {v_rep#funAddr~thread2.offset_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:19:57,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:57,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:57,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:57,958 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:57,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-26 14:19:57,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:19:57,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:19:58,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-26 14:19:58,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:58,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:58,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-26 14:19:58,014 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:19:58,014 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:19:58,083 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:19:58,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:58,089 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:19:58,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:19:58,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:19:58,089 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:19:58,089 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:19:58,089 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,089 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:19:58,089 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:19:58,089 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration1_Loop [2022-07-26 14:19:58,089 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:19:58,089 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:19:58,090 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,104 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,106 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,107 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,111 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,112 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,158 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:19:58,176 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:19:58,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:58,197 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:58,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-26 14:19:58,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:19:58,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:19:58,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:19:58,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:19:58,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:19:58,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:19:58,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:19:58,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:19:58,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:58,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:58,298 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:58,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-26 14:19:58,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:19:58,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:19:58,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:19:58,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:19:58,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:19:58,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:19:58,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:19:58,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:19:58,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:58,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:58,335 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:58,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-26 14:19:58,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:19:58,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:19:58,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:19:58,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:19:58,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:19:58,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:19:58,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:19:58,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:19:58,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:58,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:58,378 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:58,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-26 14:19:58,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:19:58,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:19:58,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:19:58,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:19:58,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:19:58,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:19:58,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:19:58,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:19:58,402 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:19:58,404 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 14:19:58,404 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 14:19:58,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:58,407 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:58,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-26 14:19:58,408 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:19:58,408 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:19:58,409 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:19:58,409 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x1~0) = -2*~x1~0 + 19999 Supporting invariants [] [2022-07-26 14:19:58,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:58,426 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:19:58,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:19:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:19:58,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:19:58,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:19:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:19:58,468 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:19:58,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:19:58,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:19:58,485 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 14:19:58,486 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 19 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:19:58,525 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 19 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 51 states and 124 transitions. Complement of second has 5 states. [2022-07-26 14:19:58,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 14:19:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:19:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-07-26 14:19:58,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 1 letters. [2022-07-26 14:19:58,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:19:58,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-26 14:19:58,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:19:58,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-26 14:19:58,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:19:58,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 124 transitions. [2022-07-26 14:19:58,541 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-26 14:19:58,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 24 states and 57 transitions. [2022-07-26 14:19:58,546 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-26 14:19:58,546 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-07-26 14:19:58,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 57 transitions. [2022-07-26 14:19:58,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 14:19:58,547 INFO L220 hiAutomatonCegarLoop]: Abstraction has 24 states and 57 transitions. [2022-07-26 14:19:58,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 57 transitions. [2022-07-26 14:19:58,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 19. [2022-07-26 14:19:58,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:19:58,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 47 transitions. [2022-07-26 14:19:58,562 INFO L242 hiAutomatonCegarLoop]: Abstraction has 19 states and 47 transitions. [2022-07-26 14:19:58,562 INFO L426 stractBuchiCegarLoop]: Abstraction has 19 states and 47 transitions. [2022-07-26 14:19:58,562 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-26 14:19:58,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 47 transitions. [2022-07-26 14:19:58,563 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-26 14:19:58,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:19:58,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:19:58,563 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-26 14:19:58,563 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:19:58,564 INFO L733 eck$LassoCheckResult]: Stem: 217#[ULTIMATE.startENTRY]don't care [285] ULTIMATE.startENTRY-->L64-3: Formula: (let ((.cse0 (select |v_#memory_int_60| 1)) (.cse1 (store |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= 48 (select .cse0 0)) (= 1 (select |v_#valid_107| 1)) (= |v_#NULL.base_10| 0) (= (select |v_#length_68| 2) 17) (= |v_#pthreadsForks_45| (+ |v_#pthreadsForks_46| 1)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_53|) (= (select .cse0 1) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_43| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (= (select |v_#valid_107| 2) 1) (= (select |v_#valid_107| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= 2 (select |v_#length_68| 1)) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_63| 0)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (= |v_#pthreadsForks_46| |v_ULTIMATE.start_main_#t~pre5#1_29|) (< 0 |v_#StackHeapBarrier_24|) (= (select |v_#valid_107| 0) 0) (= |v_#valid_106| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53| 1)) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_53| 4) |v_#length_67|) (= (ite (and (<= 0 v_~x1~0_65) (= v_~x1~0_65 v_~x2~0_57)) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|) (= |v_#NULL.offset_10| 0) (= |v_#memory_int_59| (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_43| |v_ULTIMATE.start_main_#t~pre5#1_29|))) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_53|) 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_43|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_46|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_60|, #length=|v_#length_68|} OutVars{~x2~0=v_~x2~0_57, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_38|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_43|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_24|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_15|, #NULL.offset=|v_#NULL.offset_10|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_43|, ~x1~0=v_~x1~0_65, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_28|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_29|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_45|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_36|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_63|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_13|, #valid=|v_#valid_106|, #memory_int=|v_#memory_int_59|, ULTIMATE.start_main_#t~mem9#1=|v_ULTIMATE.start_main_#t~mem9#1_18|, #length=|v_#length_67|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_23|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_53|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_47|} AuxVars[] AssignedVars[~x2~0, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ~x1~0, ULTIMATE.start_main_#t~mem10#1, #NULL.base, ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet8#1, #valid, #memory_int, ULTIMATE.start_main_#t~mem9#1, #length, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 219#[L64-3]don't care [202] L64-3-->L41-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_2 0) (= |v_ULTIMATE.start_main_#t~pre5#1_6| v_thread1Thread1of1ForFork0_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 233#[L41-1, L64-4]don't care [269] L64-4-->L65-3: Formula: (and (= (select |v_#valid_68| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_43| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= (store |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_42| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre7#1_19|)) |v_#memory_int_41|) (= |v_ULTIMATE.start_main_#t~pre7#1_19| |v_#pthreadsForks_32|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|) (= |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_25|, #valid=|v_#valid_68|, #memory_int=|v_#memory_int_42|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre5#1=|v_ULTIMATE.start_main_#t~pre5#1_19|, #pthreadsForks=|v_#pthreadsForks_31|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_68|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_19|, #length=|v_#length_43|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre5#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet6#1, #memory_int, ULTIMATE.start_main_#t~pre7#1] 205#[L41-1, L65-3]don't care [205] L65-3-->L49-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_8|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post2, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 209#[L41-1, L65-4, L49-1]don't care [2022-07-26 14:19:58,564 INFO L735 eck$LassoCheckResult]: Loop: 209#[L41-1, L65-4, L49-1]don't care [260] L49-1-->L49-1: Formula: (and (= (+ v_~x2~0_32 1) v_~x2~0_31) (< v_~x2~0_32 10000)) InVars {~x2~0=v_~x2~0_32} OutVars{~x2~0=v_~x2~0_31, thread2Thread1of1ForFork1_#t~post2=|v_thread2Thread1of1ForFork1_#t~post2_15|} AuxVars[] AssignedVars[~x2~0, thread2Thread1of1ForFork1_#t~post2] 209#[L41-1, L65-4, L49-1]don't care [2022-07-26 14:19:58,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:19:58,564 INFO L85 PathProgramCache]: Analyzing trace with hash 9616622, now seen corresponding path program 1 times [2022-07-26 14:19:58,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:19:58,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472577200] [2022-07-26 14:19:58,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:19:58,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:19:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:19:58,579 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:19:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:19:58,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:19:58,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:19:58,589 INFO L85 PathProgramCache]: Analyzing trace with hash 291, now seen corresponding path program 1 times [2022-07-26 14:19:58,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:19:58,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660147114] [2022-07-26 14:19:58,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:19:58,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:19:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:19:58,591 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:19:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:19:58,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:19:58,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:19:58,593 INFO L85 PathProgramCache]: Analyzing trace with hash 298115542, now seen corresponding path program 1 times [2022-07-26 14:19:58,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:19:58,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139480803] [2022-07-26 14:19:58,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:19:58,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:19:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:19:58,616 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:19:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:19:58,643 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:19:58,651 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:19:58,651 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:19:58,651 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:19:58,651 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:19:58,651 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:19:58,651 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,651 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:19:58,651 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:19:58,651 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration2_Loop [2022-07-26 14:19:58,651 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:19:58,651 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:19:58,652 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 14:19:58,655 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,657 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,659 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,662 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,664 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,704 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:19:58,704 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:19:58,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:58,722 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:58,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-26 14:19:58,732 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:19:58,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:19:58,750 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:19:58,750 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_3=1} Honda state: {v_rep#funAddr~thread2.offset_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:19:58,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:58,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:58,785 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:58,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-26 14:19:58,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:19:58,795 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:19:58,807 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:19:58,807 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_3=-1} Honda state: {v_rep#funAddr~thread1.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:19:58,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:58,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:58,825 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:58,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-26 14:19:58,827 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:19:58,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:19:58,840 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:19:58,841 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_3=-1} Honda state: {v_rep#funAddr~thread2.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:19:58,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:58,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:58,875 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:58,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-26 14:19:58,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:19:58,916 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:19:58,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:58,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:58,940 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:58,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-26 14:19:58,942 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:19:58,942 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:19:58,987 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:19:58,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:58,991 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:19:58,991 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:19:58,991 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:19:58,991 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:19:58,991 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:19:58,991 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:58,991 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:19:58,991 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:19:58,991 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration2_Loop [2022-07-26 14:19:58,991 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:19:58,991 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:19:58,992 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,995 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,996 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:58,998 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:59,000 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:59,004 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:19:59,038 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:19:59,038 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:19:59,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:59,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:59,039 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:59,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-26 14:19:59,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:19:59,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:19:59,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:19:59,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:19:59,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:19:59,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:19:59,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:19:59,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:19:59,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:19:59,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:59,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:59,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:59,092 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:59,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-26 14:19:59,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:19:59,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:19:59,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:19:59,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:19:59,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:19:59,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:19:59,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:19:59,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:19:59,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:59,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:59,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:59,149 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:59,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-26 14:19:59,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:19:59,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:19:59,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:19:59,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:19:59,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:19:59,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:19:59,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:19:59,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:19:59,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:59,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:59,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:59,194 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:59,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-26 14:19:59,196 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 14:19:59,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:19:59,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:19:59,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:19:59,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:19:59,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:19:59,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:19:59,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:19:59,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:59,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:59,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:59,254 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:59,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-26 14:19:59,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:19:59,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:19:59,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:19:59,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:19:59,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:19:59,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:19:59,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:19:59,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:19:59,295 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:19:59,308 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 14:19:59,308 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 14:19:59,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:19:59,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:19:59,309 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:19:59,315 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:19:59,315 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:19:59,315 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:19:59,315 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x2~0) = -2*~x2~0 + 19999 Supporting invariants [] [2022-07-26 14:19:59,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-26 14:19:59,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:59,333 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:19:59,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:19:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:19:59,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:19:59,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:19:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:19:59,365 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:19:59,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:19:59,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:19:59,365 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 14:19:59,365 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 47 transitions. cyclomatic complexity: 38 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:19:59,391 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 47 transitions. cyclomatic complexity: 38. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 44 states and 99 transitions. Complement of second has 4 states. [2022-07-26 14:19:59,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 14:19:59,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:19:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-07-26 14:19:59,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-26 14:19:59,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:19:59,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 14:19:59,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:19:59,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-26 14:19:59,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:19:59,394 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 99 transitions. [2022-07-26 14:19:59,400 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:19:59,400 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 0 states and 0 transitions. [2022-07-26 14:19:59,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 14:19:59,400 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 14:19:59,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 14:19:59,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 14:19:59,400 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:19:59,400 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:19:59,400 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:19:59,400 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-26 14:19:59,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-26 14:19:59,400 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:19:59,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 14:19:59,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 02:19:59 BoogieIcfgContainer [2022-07-26 14:19:59,405 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 14:19:59,408 INFO L158 Benchmark]: Toolchain (without parser) took 4365.43ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 161.5MB in the beginning and 102.5MB in the end (delta: 59.0MB). Peak memory consumption was 98.2MB. Max. memory is 8.0GB. [2022-07-26 14:19:59,408 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 150.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 14:19:59,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.70ms. Allocated memory is still 191.9MB. Free memory was 161.3MB in the beginning and 163.0MB in the end (delta: -1.7MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. [2022-07-26 14:19:59,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.24ms. Allocated memory is still 191.9MB. Free memory was 163.0MB in the beginning and 161.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 14:19:59,410 INFO L158 Benchmark]: Boogie Preprocessor took 13.85ms. Allocated memory is still 191.9MB. Free memory was 161.5MB in the beginning and 160.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 14:19:59,410 INFO L158 Benchmark]: RCFGBuilder took 214.00ms. Allocated memory is still 191.9MB. Free memory was 160.2MB in the beginning and 149.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-07-26 14:19:59,416 INFO L158 Benchmark]: BuchiAutomizer took 3923.28ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 148.9MB in the beginning and 102.5MB in the end (delta: 46.4MB). Peak memory consumption was 86.0MB. Max. memory is 8.0GB. [2022-07-26 14:19:59,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 150.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 176.70ms. Allocated memory is still 191.9MB. Free memory was 161.3MB in the beginning and 163.0MB in the end (delta: -1.7MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.24ms. Allocated memory is still 191.9MB. Free memory was 163.0MB in the beginning and 161.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.85ms. Allocated memory is still 191.9MB. Free memory was 161.5MB in the beginning and 160.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 214.00ms. Allocated memory is still 191.9MB. Free memory was 160.2MB in the beginning and 149.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 3923.28ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 148.9MB in the beginning and 102.5MB in the end (delta: 46.4MB). Peak memory consumption was 86.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 19999 + -2 * x1 and consists of 4 locations. One deterministic module has affine ranking function 19999 + -2 * x2 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 5 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, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax340 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 103ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 1.9s - 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: 1.9s, 80 PlacesBefore, 18 PlacesAfterwards, 79 TransitionsBefore, 13 TransitionsAfterwards, 368 CoEnabledTransitionPairs, 6 FixpointIterations, 50 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 80 TotalNumberOfCompositions, 364 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 364, positive: 364, positive conditional: 0, positive unconditional: 364, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 200, positive: 200, positive conditional: 0, positive unconditional: 200, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 364, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 200, unknown conditional: 0, unknown unconditional: 200] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-26 14:19:59,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:59,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-26 14:19:59,855 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...