/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/svcomp/weaver/test-easy1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:57:52,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:57:52,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:57:52,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 13:57:52,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:57:52,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:57:52,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:57:52,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:57:52,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:57:52,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:57:52,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:57:52,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:57:52,658 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:57:52,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:57:52,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:57:52,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:57:52,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:57:52,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:57:52,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:57:52,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:57:52,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:57:52,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-26 13:57:52,705 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:57:52,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:57:52,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:57:52,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:57:52,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:57:52,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:57:52,709 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:57:52,709 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:57:52,709 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:57:52,710 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:57:52,710 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:57:52,710 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:57:52,710 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:57:52,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:57:52,711 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:57:52,711 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:57:52,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:57:52,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:57:52,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:57:52,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:57:52,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:57:52,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:57:52,712 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:57:52,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:57:52,712 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:57:52,712 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:57:52,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:57:52,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:57:52,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:57:52,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:57:52,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:57:52,714 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:57:52,714 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:57:52,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:57:52,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:57:52,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:57:52,965 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:57:52,967 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:57:52,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy1.wvr.c [2022-07-26 13:57:53,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77d3fa116/075490234cbe4b328db974599e19c6f7/FLAGba324cb5c [2022-07-26 13:57:53,344 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:57:53,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy1.wvr.c [2022-07-26 13:57:53,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77d3fa116/075490234cbe4b328db974599e19c6f7/FLAGba324cb5c [2022-07-26 13:57:53,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77d3fa116/075490234cbe4b328db974599e19c6f7 [2022-07-26 13:57:53,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:57:53,367 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:57:53,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:57:53,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:57:53,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:57:53,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:57:53" (1/1) ... [2022-07-26 13:57:53,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1ccd5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:57:53, skipping insertion in model container [2022-07-26 13:57:53,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:57:53" (1/1) ... [2022-07-26 13:57:53,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:57:53,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:57:53,556 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 13:57:53,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:57:53,564 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:57:53,577 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 13:57:53,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:57:53,590 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:57:53,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:57:53 WrapperNode [2022-07-26 13:57:53,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:57:53,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:57:53,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:57:53,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:57:53,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:57:53" (1/1) ... [2022-07-26 13:57:53,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:57:53" (1/1) ... [2022-07-26 13:57:53,620 INFO L137 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-07-26 13:57:53,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:57:53,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:57:53,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:57:53,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:57:53,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:57:53" (1/1) ... [2022-07-26 13:57:53,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:57:53" (1/1) ... [2022-07-26 13:57:53,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:57:53" (1/1) ... [2022-07-26 13:57:53,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:57:53" (1/1) ... [2022-07-26 13:57:53,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:57:53" (1/1) ... [2022-07-26 13:57:53,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:57:53" (1/1) ... [2022-07-26 13:57:53,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:57:53" (1/1) ... [2022-07-26 13:57:53,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:57:53,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:57:53,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:57:53,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:57:53,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:57:53" (1/1) ... [2022-07-26 13:57:53,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:53,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:53,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:53,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-26 13:57:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:57:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:57:53,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:57:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:57:53,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:57:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:57:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:57:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:57:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:57:53,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:57:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:57:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:57:53,709 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 13:57:53,770 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:57:53,771 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:57:53,909 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:57:53,915 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:57:53,915 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-26 13:57:53,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:57:53 BoogieIcfgContainer [2022-07-26 13:57:53,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:57:53,924 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:57:53,924 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:57:53,932 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:57:53,933 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:57:53,933 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:57:53" (1/3) ... [2022-07-26 13:57:53,934 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@303a3ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:57:53, skipping insertion in model container [2022-07-26 13:57:53,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:57:53,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:57:53" (2/3) ... [2022-07-26 13:57:53,934 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@303a3ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:57:53, skipping insertion in model container [2022-07-26 13:57:53,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:57:53,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:57:53" (3/3) ... [2022-07-26 13:57:53,935 INFO L322 chiAutomizerObserver]: Analyzing ICFG test-easy1.wvr.c [2022-07-26 13:57:54,020 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-26 13:57:54,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 83 transitions, 182 flow [2022-07-26 13:57:54,087 INFO L129 PetriNetUnfolder]: 6/79 cut-off events. [2022-07-26 13:57:54,088 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 13:57:54,090 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 13:57:54,090 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 83 transitions, 182 flow [2022-07-26 13:57:54,097 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 79 transitions, 170 flow [2022-07-26 13:57:54,099 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:57:54,109 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 79 transitions, 170 flow [2022-07-26 13:57:54,115 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 79 transitions, 170 flow [2022-07-26 13:57:54,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 79 transitions, 170 flow [2022-07-26 13:57:54,132 INFO L129 PetriNetUnfolder]: 6/79 cut-off events. [2022-07-26 13:57:54,132 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 13:57:54,133 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 13:57:54,134 INFO L116 LiptonReduction]: Number of co-enabled transitions 368 [2022-07-26 13:57:56,282 INFO L131 LiptonReduction]: Checked pairs total: 364 [2022-07-26 13:57:56,282 INFO L133 LiptonReduction]: Total number of compositions: 80 [2022-07-26 13:57:56,298 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:57:56,298 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:57:56,298 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:57:56,299 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:57:56,299 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:57:56,299 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:57:56,299 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:57:56,299 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:57:56,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:57:56,322 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 10 [2022-07-26 13:57:56,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:57:56,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:57:56,327 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-26 13:57:56,327 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:57:56,327 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 13:57:56,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 19 states, but on-demand construction may add more states [2022-07-26 13:57:56,329 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 10 [2022-07-26 13:57:56,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:57:56,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:57:56,329 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-26 13:57:56,330 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:57:56,339 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 13:57:56,340 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 13:57:56,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:57:56,347 INFO L85 PathProgramCache]: Analyzing trace with hash 9998, now seen corresponding path program 1 times [2022-07-26 13:57:56,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:57:56,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072960699] [2022-07-26 13:57:56,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:57:56,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:57:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:57:56,449 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:57:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:57:56,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:57:56,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:57:56,480 INFO L85 PathProgramCache]: Analyzing trace with hash 294, now seen corresponding path program 1 times [2022-07-26 13:57:56,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:57:56,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038883688] [2022-07-26 13:57:56,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:57:56,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:57:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:57:56,485 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:57:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:57:56,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:57:56,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:57:56,489 INFO L85 PathProgramCache]: Analyzing trace with hash 310201, now seen corresponding path program 1 times [2022-07-26 13:57:56,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:57:56,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755198865] [2022-07-26 13:57:56,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:57:56,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:57:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:57:56,508 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:57:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:57:56,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:57:56,553 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:57:56,554 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:57:56,554 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:57:56,554 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:57:56,555 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:57:56,555 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:56,555 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:57:56,555 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:57:56,555 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:57:56,555 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:57:56,555 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:57:56,571 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:56,576 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:56,580 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:56,583 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:56,585 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:56,587 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:56,631 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:57:56,632 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:57:56,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:56,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:56,639 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:56,649 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:57:56,650 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:57:56,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-26 13:57:56,678 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:57:56,678 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 13:57:56,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:56,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:56,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:56,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:56,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-26 13:57:56,721 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:57:56,721 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:57:56,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:56,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:56,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:56,814 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:56,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-26 13:57:56,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:57:56,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:57:56,860 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:57:56,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:56,865 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:57:56,865 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:57:56,866 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:57:56,866 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:57:56,866 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:57:56,866 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:56,866 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:57:56,866 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:57:56,866 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:57:56,866 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:57:56,866 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:57:56,868 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 13:57:56,871 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:56,874 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:56,876 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:56,881 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:56,884 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:56,933 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:57:56,937 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:57:56,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:56,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:56,939 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:56,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-26 13:57:56,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:57:56,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:57:56,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:57:56,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:57:56,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:57:56,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:57:56,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:57:56,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:57:57,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:57,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:57,006 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:57,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-26 13:57:57,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:57:57,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:57:57,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:57:57,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:57:57,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:57:57,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:57:57,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:57:57,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:57:57,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:57,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:57,057 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:57,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:57:57,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:57:57,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:57:57,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:57:57,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:57:57,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:57:57,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:57:57,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-26 13:57:57,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:57:57,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:57,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:57,109 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:57,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:57:57,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:57:57,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:57:57,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:57:57,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:57:57,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:57:57,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:57:57,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:57:57,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-26 13:57:57,142 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:57:57,145 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:57:57,145 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 13:57:57,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:57,149 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:57,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-26 13:57:57,195 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:57:57,196 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:57:57,196 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:57:57,196 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x1~0) = -2*~x1~0 + 19999 Supporting invariants [] [2022-07-26 13:57:57,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:57,224 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:57:57,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:57:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:57:57,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:57:57,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:57:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:57:57,308 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:57:57,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:57:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:57:57,329 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:57:57,331 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 13:57:57,382 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 13:57:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 13:57:57,389 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 13:57:57,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-07-26 13:57:57,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 1 letters. [2022-07-26 13:57:57,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:57:57,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-26 13:57:57,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:57:57,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-26 13:57:57,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:57:57,392 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 124 transitions. [2022-07-26 13:57:57,398 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-26 13:57:57,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 24 states and 57 transitions. [2022-07-26 13:57:57,402 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-26 13:57:57,402 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-07-26 13:57:57,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 57 transitions. [2022-07-26 13:57:57,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:57:57,403 INFO L220 hiAutomatonCegarLoop]: Abstraction has 24 states and 57 transitions. [2022-07-26 13:57:57,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 57 transitions. [2022-07-26 13:57:57,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 19. [2022-07-26 13:57:57,420 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 13:57:57,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 47 transitions. [2022-07-26 13:57:57,421 INFO L242 hiAutomatonCegarLoop]: Abstraction has 19 states and 47 transitions. [2022-07-26 13:57:57,421 INFO L426 stractBuchiCegarLoop]: Abstraction has 19 states and 47 transitions. [2022-07-26 13:57:57,421 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-26 13:57:57,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 47 transitions. [2022-07-26 13:57:57,422 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-26 13:57:57,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:57:57,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:57:57,422 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-26 13:57:57,422 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:57:57,423 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#[L65-4, L49-1, L41-1]don't care [2022-07-26 13:57:57,423 INFO L735 eck$LassoCheckResult]: Loop: 209#[L65-4, L49-1, L41-1]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#[L65-4, L49-1, L41-1]don't care [2022-07-26 13:57:57,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:57:57,424 INFO L85 PathProgramCache]: Analyzing trace with hash 9616622, now seen corresponding path program 1 times [2022-07-26 13:57:57,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:57:57,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175221073] [2022-07-26 13:57:57,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:57:57,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:57:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:57:57,444 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:57:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:57:57,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:57:57,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:57:57,460 INFO L85 PathProgramCache]: Analyzing trace with hash 291, now seen corresponding path program 1 times [2022-07-26 13:57:57,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:57:57,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816239652] [2022-07-26 13:57:57,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:57:57,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:57:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:57:57,464 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:57:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:57:57,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:57:57,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:57:57,466 INFO L85 PathProgramCache]: Analyzing trace with hash 298115542, now seen corresponding path program 1 times [2022-07-26 13:57:57,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:57:57,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631568160] [2022-07-26 13:57:57,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:57:57,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:57:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:57:57,485 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:57:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:57:57,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:57:57,508 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:57:57,508 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:57:57,508 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:57:57,509 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:57:57,509 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:57:57,509 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,509 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:57:57,509 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:57:57,509 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:57:57,509 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:57:57,509 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:57:57,510 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:57,512 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:57,514 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:57,516 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:57,519 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:57,521 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:57,570 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:57:57,570 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:57:57,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:57,571 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:57,580 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:57:57,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:57:57,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-26 13:57:57,608 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:57:57,608 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 13:57:57,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-07-26 13:57:57,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:57,626 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:57,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-26 13:57:57,631 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:57:57,631 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:57:57,644 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:57:57,644 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_3=-1} Honda state: {v_rep#funAddr~thread1.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:57:57,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:57,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:57,663 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:57,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-26 13:57:57,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:57:57,668 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:57:57,679 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:57:57,679 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_3=-1} Honda state: {v_rep#funAddr~thread2.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:57:57,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:57,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:57,697 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:57,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-26 13:57:57,699 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:57:57,699 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:57:57,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:57,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:57,727 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:57,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-26 13:57:57,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:57:57,729 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:57:57,769 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:57:57,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:57,773 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:57:57,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:57:57,774 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:57:57,774 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:57:57,774 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:57:57,774 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,774 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:57:57,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:57:57,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-easy1.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:57:57,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:57:57,774 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:57:57,775 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:57,779 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:57,782 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:57,784 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:57,787 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:57,791 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:57:57,833 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:57:57,834 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:57:57,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:57,842 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:57,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-26 13:57:57,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:57:57,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:57:57,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:57:57,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:57:57,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:57:57,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:57:57,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:57:57,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:57:57,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:57:57,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:57,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:57,910 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:57,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-26 13:57:57,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:57:57,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:57:57,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:57:57,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:57:57,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:57:57,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:57:57,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:57:57,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:57:57,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:57,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:57,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:57,963 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:57,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:57:57,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-26 13:57:57,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:57:57,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:57:57,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:57:57,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:57:57,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:57:57,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:57:58,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:57:58,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:58,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:58,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:58,031 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:58,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-26 13:57:58,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:57:58,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:57:58,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:57:58,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:57:58,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:57:58,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:57:58,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:57:58,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:57:58,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:58,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:58,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:58,077 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:58,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-26 13:57:58,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:57:58,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:57:58,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:57:58,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:57:58,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:57:58,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:57:58,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:57:58,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:57:58,103 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:57:58,105 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:57:58,105 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 13:57:58,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:57:58,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:57:58,111 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:57:58,123 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:57:58,123 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:57:58,124 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:57:58,124 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x2~0) = -2*~x2~0 + 19999 Supporting invariants [] [2022-07-26 13:57:58,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-26 13:57:58,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:58,149 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:57:58,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:57:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:57:58,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:57:58,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:57:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:57:58,191 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:57:58,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:57:58,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:57:58,192 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:57:58,192 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 13:57:58,232 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 13:57:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 13:57:58,234 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 13:57:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-07-26 13:57:58,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-26 13:57:58,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:57:58,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 13:57:58,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:57:58,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-26 13:57:58,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:57:58,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 99 transitions. [2022-07-26 13:57:58,236 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:57:58,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 0 states and 0 transitions. [2022-07-26 13:57:58,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 13:57:58,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 13:57:58,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 13:57:58,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 13:57:58,237 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:57:58,237 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:57:58,237 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:57:58,237 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-26 13:57:58,237 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-26 13:57:58,237 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:57:58,237 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:57:58,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:57:58 BoogieIcfgContainer [2022-07-26 13:57:58,243 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:57:58,244 INFO L158 Benchmark]: Toolchain (without parser) took 4877.23ms. Allocated memory was 180.4MB in the beginning and 234.9MB in the end (delta: 54.5MB). Free memory was 120.1MB in the beginning and 95.5MB in the end (delta: 24.5MB). Peak memory consumption was 80.4MB. Max. memory is 8.0GB. [2022-07-26 13:57:58,244 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:57:58,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.54ms. Allocated memory was 180.4MB in the beginning and 234.9MB in the end (delta: 54.5MB). Free memory was 119.9MB in the beginning and 205.2MB in the end (delta: -85.2MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2022-07-26 13:57:58,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.28ms. Allocated memory is still 234.9MB. Free memory was 205.2MB in the beginning and 203.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 13:57:58,259 INFO L158 Benchmark]: Boogie Preprocessor took 22.79ms. Allocated memory is still 234.9MB. Free memory was 203.6MB in the beginning and 202.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:57:58,260 INFO L158 Benchmark]: RCFGBuilder took 273.00ms. Allocated memory is still 234.9MB. Free memory was 202.0MB in the beginning and 189.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-07-26 13:57:58,260 INFO L158 Benchmark]: BuchiAutomizer took 4319.23ms. Allocated memory is still 234.9MB. Free memory was 189.9MB in the beginning and 95.5MB in the end (delta: 94.4MB). Peak memory consumption was 95.5MB. Max. memory is 8.0GB. [2022-07-26 13:57:58,262 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 215.54ms. Allocated memory was 180.4MB in the beginning and 234.9MB in the end (delta: 54.5MB). Free memory was 119.9MB in the beginning and 205.2MB in the end (delta: -85.2MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.28ms. Allocated memory is still 234.9MB. Free memory was 205.2MB in the beginning and 203.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.79ms. Allocated memory is still 234.9MB. Free memory was 203.6MB in the beginning and 202.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 273.00ms. Allocated memory is still 234.9MB. Free memory was 202.0MB in the beginning and 189.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 4319.23ms. Allocated memory is still 234.9MB. Free memory was 189.9MB in the beginning and 95.5MB in the end (delta: 94.4MB). Peak memory consumption was 95.5MB. 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 4.1s 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, 0.1s 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: 41ms 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: 2.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 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: UnionIndependenceRelation.Independence Queries: [ total: 264, positive: 264, positive conditional: 0, positive unconditional: 264, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 264, positive: 264, positive conditional: 0, positive unconditional: 264, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 364, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 264, unknown conditional: 0, unknown unconditional: 264] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-26 13:57:58,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:58,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-26 13:57:58,712 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...