/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/clever.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:50:41,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:50:41,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:50:41,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 13:50:41,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:50:41,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:50:41,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:50:41,657 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-26 13:50:41,685 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:50:41,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:50:41,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:50:41,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:50:41,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:50:41,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:50:41,686 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:50:41,687 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:50:41,687 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:50:41,687 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:50:41,688 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:50:41,688 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:50:41,688 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:50:41,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:50:41,689 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:50:41,689 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:50:41,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:50:41,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:50:41,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:50:41,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:50:41,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:50:41,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:50:41,690 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:50:41,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:50:41,690 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:50:41,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:50:41,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:50:41,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:50:41,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:50:41,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:50:41,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:50:41,692 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:50:41,692 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:50:41,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:50:41,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:50:41,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:50:41,947 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:50:41,950 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:50:41,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/clever.wvr.c [2022-07-26 13:50:42,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e28e2f10b/bab0ae3121f24f078cca48f38e9dd974/FLAG3592fd418 [2022-07-26 13:50:42,409 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:50:42,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/clever.wvr.c [2022-07-26 13:50:42,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e28e2f10b/bab0ae3121f24f078cca48f38e9dd974/FLAG3592fd418 [2022-07-26 13:50:42,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e28e2f10b/bab0ae3121f24f078cca48f38e9dd974 [2022-07-26 13:50:42,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:50:42,818 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:50:42,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:50:42,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:50:42,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:50:42,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c352603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:42, skipping insertion in model container [2022-07-26 13:50:42,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:50:42" (1/1) ... [2022-07-26 13:50:42,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:50:42,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:50:43,069 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/clever.wvr.c[2133,2146] [2022-07-26 13:50:43,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:50:43,077 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:50:43,107 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/clever.wvr.c[2133,2146] [2022-07-26 13:50:43,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:50:43,121 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:50:43,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:43 WrapperNode [2022-07-26 13:50:43,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:50:43,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:50:43,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:50:43,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:50:43,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:43" (1/1) ... [2022-07-26 13:50:43,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:43" (1/1) ... [2022-07-26 13:50:43,165 INFO L137 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2022-07-26 13:50:43,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:50:43,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:50:43,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:50:43,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:50:43,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:43" (1/1) ... [2022-07-26 13:50:43,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:43" (1/1) ... [2022-07-26 13:50:43,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:43" (1/1) ... [2022-07-26 13:50:43,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:43" (1/1) ... [2022-07-26 13:50:43,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:43" (1/1) ... [2022-07-26 13:50:43,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:43" (1/1) ... [2022-07-26 13:50:43,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:43" (1/1) ... [2022-07-26 13:50:43,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:50:43,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:50:43,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:50:43,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:50:43,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:43" (1/1) ... [2022-07-26 13:50:43,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:43,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:43,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:43,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-26 13:50:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:50:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:50:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:50:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:50:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:50:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:50:43,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:50:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:50:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:50:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:50:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:50:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:50:43,277 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 13:50:43,365 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:50:43,366 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:50:43,621 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:50:43,628 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:50:43,628 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-26 13:50:43,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:50:43 BoogieIcfgContainer [2022-07-26 13:50:43,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:50:43,631 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:50:43,631 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:50:43,637 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:50:43,638 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:50:43,638 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:50:42" (1/3) ... [2022-07-26 13:50:43,639 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fff94bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:50:43, skipping insertion in model container [2022-07-26 13:50:43,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:50:43,639 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:50:43" (2/3) ... [2022-07-26 13:50:43,640 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fff94bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:50:43, skipping insertion in model container [2022-07-26 13:50:43,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:50:43,640 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:50:43" (3/3) ... [2022-07-26 13:50:43,641 INFO L322 chiAutomizerObserver]: Analyzing ICFG clever.wvr.c [2022-07-26 13:50:43,702 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-26 13:50:43,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 117 transitions, 250 flow [2022-07-26 13:50:43,759 INFO L129 PetriNetUnfolder]: 9/113 cut-off events. [2022-07-26 13:50:43,759 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 13:50:43,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 113 events. 9/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2022-07-26 13:50:43,762 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 117 transitions, 250 flow [2022-07-26 13:50:43,768 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 113 transitions, 238 flow [2022-07-26 13:50:43,771 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:50:43,781 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 113 transitions, 238 flow [2022-07-26 13:50:43,783 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 113 transitions, 238 flow [2022-07-26 13:50:43,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 113 transitions, 238 flow [2022-07-26 13:50:43,801 INFO L129 PetriNetUnfolder]: 9/113 cut-off events. [2022-07-26 13:50:43,801 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 13:50:43,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 113 events. 9/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2022-07-26 13:50:43,804 INFO L116 LiptonReduction]: Number of co-enabled transitions 756 [2022-07-26 13:50:47,138 INFO L131 LiptonReduction]: Checked pairs total: 721 [2022-07-26 13:50:47,138 INFO L133 LiptonReduction]: Total number of compositions: 118 [2022-07-26 13:50:47,154 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:50:47,154 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:50:47,154 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:50:47,154 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:50:47,154 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:50:47,154 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:50:47,154 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:50:47,155 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:50:47,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:50:47,179 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 16 [2022-07-26 13:50:47,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:50:47,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:50:47,184 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-26 13:50:47,184 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-26 13:50:47,184 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 13:50:47,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 25 states, but on-demand construction may add more states [2022-07-26 13:50:47,186 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 16 [2022-07-26 13:50:47,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:50:47,187 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:50:47,187 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-26 13:50:47,187 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-26 13:50:47,191 INFO L733 eck$LassoCheckResult]: Stem: 116#[ULTIMATE.startENTRY]don't care [417] ULTIMATE.startENTRY-->L75-3: Formula: (let ((.cse1 (select |v_#memory_int_48| 1)) (.cse2 (store |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= |v_#NULL.base_10| 0) (= (select |v_#valid_111| 2) 1) (not (= (ite (let ((.cse0 (mod v_~i1~0_54 4294967296))) (and (= v_~i1~0_54 v_~i2~0_52) (= (mod v_~k1~0_59 4294967296) .cse0) (= v_~i1~0_54 0) (= (mod v_~k2~0_55 4294967296) .cse0))) 1 0) 0)) (= (select .cse1 0) 48) (= |v_#memory_int_47| (store |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_45| |v_ULTIMATE.start_main_#t~pre12#1_37|))) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_59|) (< 0 |v_#StackHeapBarrier_22|) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_59| 4) |v_#length_67|) (= (select |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= (select |v_#valid_111| 1) 1) (= |v_ULTIMATE.start_main_#t~pre12#1_37| |v_#pthreadsForks_50|) (= 2 (select |v_#length_68| 1)) (= (select |v_#length_68| 2) 13) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| 0)) (= (select .cse1 1) 0) (= (select .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59|) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_47| 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= |v_#NULL.offset_10| 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)) (= |v_#valid_110| (store .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59| 1)) (= (ite (<= 0 v_~m~0_59) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= (select |v_#valid_111| 0) 0) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_50|, #valid=|v_#valid_111|, #memory_int=|v_#memory_int_48|, #length=|v_#length_68|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_48|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_47|, #NULL.offset=|v_#NULL.offset_10|, ~i1~0=v_~i1~0_54, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_45|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_37|, #pthreadsForks=|v_#pthreadsForks_49|, ~k1~0=v_~k1~0_59, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_85|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, ULTIMATE.start_main_#t~mem17#1=|v_ULTIMATE.start_main_#t~mem17#1_32|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_21|, ~j1~0=v_~j1~0_58, #length=|v_#length_67|, ~m~0=v_~m~0_59, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_48|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_40|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_24|, ULTIMATE.start_main_#t~mem16#1=|v_ULTIMATE.start_main_#t~mem16#1_22|, ~i2~0=v_~i2~0_52, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_48|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_31|, ~k2~0=v_~k2~0_55, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_48|, #valid=|v_#valid_110|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_44|, #memory_int=|v_#memory_int_47|, ~n~0=v_~n~0_41, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_59|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_19|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, #NULL.offset, ~i1~0, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ~k1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~mem17#1, ULTIMATE.start_main_#t~nondet13#1, ~j1~0, #length, ~m~0, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~mem16#1, ~i2~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ~k2~0, ULTIMATE.start_main_#t~nondet8#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ~n~0, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 119#[L75-3]don't care [294] L75-3-->L40-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_8|, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_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_#t~post2, thread1Thread1of1ForFork0_#t~post3, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 121#[L40-1, L75-4]don't care [2022-07-26 13:50:47,191 INFO L735 eck$LassoCheckResult]: Loop: 121#[L40-1, L75-4]don't care [343] L40-1-->L41-6: Formula: (and (< v_~i1~0_18 v_~n~0_13) (= v_~j1~0_16 0)) InVars {~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} OutVars{~j1~0=v_~j1~0_16, ~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} AuxVars[] AssignedVars[~j1~0] 125#[L75-4, L41-6]don't care [365] L41-6-->L40-1: Formula: (and (= v_~i1~0_26 (+ v_~i1~0_27 1)) (not (< v_~j1~0_28 v_~m~0_25))) InVars {~m~0=v_~m~0_25, ~j1~0=v_~j1~0_28, ~i1~0=v_~i1~0_27} OutVars{~m~0=v_~m~0_25, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_17|, ~j1~0=v_~j1~0_28, ~i1~0=v_~i1~0_26} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post3, ~i1~0] 121#[L40-1, L75-4]don't care [2022-07-26 13:50:47,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:47,195 INFO L85 PathProgramCache]: Analyzing trace with hash 14182, now seen corresponding path program 1 times [2022-07-26 13:50:47,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:47,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980126652] [2022-07-26 13:50:47,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:47,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:47,294 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:47,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:47,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:47,332 INFO L85 PathProgramCache]: Analyzing trace with hash 11959, now seen corresponding path program 1 times [2022-07-26 13:50:47,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:47,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722374833] [2022-07-26 13:50:47,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:47,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:47,338 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:47,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:47,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:47,343 INFO L85 PathProgramCache]: Analyzing trace with hash 13639900, now seen corresponding path program 1 times [2022-07-26 13:50:47,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:47,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050398070] [2022-07-26 13:50:47,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:47,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:47,364 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:47,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:47,435 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:50:47,436 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:50:47,436 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:50:47,436 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:50:47,437 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:50:47,437 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:47,437 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:50:47,437 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:50:47,437 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:50:47,437 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:50:47,437 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:50:47,450 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,458 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,461 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,465 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,468 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,470 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,471 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,523 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:50:47,523 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:50:47,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:47,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:47,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:47,537 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:47,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:47,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-26 13:50:47,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:47,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:47,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:47,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:47,591 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:50:47,591 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:47,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-26 13:50:47,740 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:50:47,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:47,752 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:50:47,752 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:50:47,753 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:50:47,753 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:50:47,753 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:50:47,753 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:47,753 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:50:47,753 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:50:47,753 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:50:47,753 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:50:47,753 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:50:47,754 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,760 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,762 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,766 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,768 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,771 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,773 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:47,824 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:50:47,828 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:50:47,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:47,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:47,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:47,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:47,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:47,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:47,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:47,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:47,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:47,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:50:47,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:47,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-26 13:50:47,863 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:50:47,900 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 13:50:47,901 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:50:47,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:47,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:47,923 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:47,975 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:50:47,975 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:50:47,976 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:50:47,976 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~n~0, ~i1~0) = 1*~n~0 - 1*~i1~0 Supporting invariants [] [2022-07-26 13:50:47,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-26 13:50:48,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:48,029 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:50:48,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:48,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:50:48,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:48,105 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:50:48,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:48,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:50:48,145 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-26 13:50:48,147 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 25 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:48,232 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 25 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 69 states and 188 transitions. Complement of second has 7 states. [2022-07-26 13:50:48,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-26 13:50:48,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:48,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2022-07-26 13:50:48,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-26 13:50:48,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:48,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-26 13:50:48,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:48,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-26 13:50:48,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:48,242 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 188 transitions. [2022-07-26 13:50:48,248 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12 [2022-07-26 13:50:48,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 50 states and 140 transitions. [2022-07-26 13:50:48,252 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-07-26 13:50:48,253 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2022-07-26 13:50:48,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 140 transitions. [2022-07-26 13:50:48,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:50:48,254 INFO L220 hiAutomatonCegarLoop]: Abstraction has 50 states and 140 transitions. [2022-07-26 13:50:48,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 140 transitions. [2022-07-26 13:50:48,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 37. [2022-07-26 13:50:48,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 2.945945945945946) internal successors, (109), 36 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:48,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 109 transitions. [2022-07-26 13:50:48,275 INFO L242 hiAutomatonCegarLoop]: Abstraction has 37 states and 109 transitions. [2022-07-26 13:50:48,275 INFO L426 stractBuchiCegarLoop]: Abstraction has 37 states and 109 transitions. [2022-07-26 13:50:48,276 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-26 13:50:48,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 109 transitions. [2022-07-26 13:50:48,277 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12 [2022-07-26 13:50:48,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:50:48,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:50:48,277 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 13:50:48,278 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:50:48,278 INFO L733 eck$LassoCheckResult]: Stem: 291#[ULTIMATE.startENTRY]don't care [417] ULTIMATE.startENTRY-->L75-3: Formula: (let ((.cse1 (select |v_#memory_int_48| 1)) (.cse2 (store |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= |v_#NULL.base_10| 0) (= (select |v_#valid_111| 2) 1) (not (= (ite (let ((.cse0 (mod v_~i1~0_54 4294967296))) (and (= v_~i1~0_54 v_~i2~0_52) (= (mod v_~k1~0_59 4294967296) .cse0) (= v_~i1~0_54 0) (= (mod v_~k2~0_55 4294967296) .cse0))) 1 0) 0)) (= (select .cse1 0) 48) (= |v_#memory_int_47| (store |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_45| |v_ULTIMATE.start_main_#t~pre12#1_37|))) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_59|) (< 0 |v_#StackHeapBarrier_22|) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_59| 4) |v_#length_67|) (= (select |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= (select |v_#valid_111| 1) 1) (= |v_ULTIMATE.start_main_#t~pre12#1_37| |v_#pthreadsForks_50|) (= 2 (select |v_#length_68| 1)) (= (select |v_#length_68| 2) 13) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| 0)) (= (select .cse1 1) 0) (= (select .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59|) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_47| 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= |v_#NULL.offset_10| 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)) (= |v_#valid_110| (store .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59| 1)) (= (ite (<= 0 v_~m~0_59) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= (select |v_#valid_111| 0) 0) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_50|, #valid=|v_#valid_111|, #memory_int=|v_#memory_int_48|, #length=|v_#length_68|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_48|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_47|, #NULL.offset=|v_#NULL.offset_10|, ~i1~0=v_~i1~0_54, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_45|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_37|, #pthreadsForks=|v_#pthreadsForks_49|, ~k1~0=v_~k1~0_59, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_85|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, ULTIMATE.start_main_#t~mem17#1=|v_ULTIMATE.start_main_#t~mem17#1_32|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_21|, ~j1~0=v_~j1~0_58, #length=|v_#length_67|, ~m~0=v_~m~0_59, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_48|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_40|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_24|, ULTIMATE.start_main_#t~mem16#1=|v_ULTIMATE.start_main_#t~mem16#1_22|, ~i2~0=v_~i2~0_52, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_48|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_31|, ~k2~0=v_~k2~0_55, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_48|, #valid=|v_#valid_110|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_44|, #memory_int=|v_#memory_int_47|, ~n~0=v_~n~0_41, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_59|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_19|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, #NULL.offset, ~i1~0, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ~k1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~mem17#1, ULTIMATE.start_main_#t~nondet13#1, ~j1~0, #length, ~m~0, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~mem16#1, ~i2~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ~k2~0, ULTIMATE.start_main_#t~nondet8#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ~n~0, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 293#[L75-3]don't care [294] L75-3-->L40-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_8|, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_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_#t~post2, thread1Thread1of1ForFork0_#t~post3, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 327#[L40-1, L75-4]don't care [343] L40-1-->L41-6: Formula: (and (< v_~i1~0_18 v_~n~0_13) (= v_~j1~0_16 0)) InVars {~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} OutVars{~j1~0=v_~j1~0_16, ~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} AuxVars[] AssignedVars[~j1~0] 335#[L75-4, L41-6]don't care [2022-07-26 13:50:48,278 INFO L735 eck$LassoCheckResult]: Loop: 335#[L75-4, L41-6]don't care [402] L41-6-->L41-6: Formula: (and (= v_~j1~0_38 (+ v_~j1~0_39 1)) (< v_~j1~0_39 v_~m~0_39) (= (+ v_~k1~0_36 1) v_~k1~0_35)) InVars {~m~0=v_~m~0_39, ~k1~0=v_~k1~0_36, ~j1~0=v_~j1~0_39} OutVars{~m~0=v_~m~0_39, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_17|, ~k1~0=v_~k1~0_35, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_23|, ~j1~0=v_~j1~0_38} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~k1~0, thread1Thread1of1ForFork0_#t~post2, ~j1~0] 335#[L75-4, L41-6]don't care [2022-07-26 13:50:48,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:48,279 INFO L85 PathProgramCache]: Analyzing trace with hash 439985, now seen corresponding path program 1 times [2022-07-26 13:50:48,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:48,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003031457] [2022-07-26 13:50:48,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:48,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:48,297 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:48,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:48,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:48,312 INFO L85 PathProgramCache]: Analyzing trace with hash 433, now seen corresponding path program 1 times [2022-07-26 13:50:48,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:48,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501159474] [2022-07-26 13:50:48,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:48,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:48,315 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:48,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:48,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:48,318 INFO L85 PathProgramCache]: Analyzing trace with hash 13639937, now seen corresponding path program 1 times [2022-07-26 13:50:48,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:48,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683061762] [2022-07-26 13:50:48,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:48,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:48,334 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:48,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:48,362 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:50:48,362 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:50:48,362 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:50:48,362 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:50:48,362 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:50:48,362 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,362 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:50:48,362 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:50:48,363 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:50:48,363 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:50:48,363 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:50:48,364 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,366 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,370 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,372 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,374 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,375 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,377 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,379 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,426 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:50:48,426 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:50:48,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:48,432 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:48,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-26 13:50:48,435 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:48,435 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:48,456 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:48,457 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 13:50:48,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:48,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:48,484 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:48,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-26 13:50:48,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:48,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:48,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:48,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:48,533 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:48,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:50:48,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:48,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-26 13:50:48,670 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:50:48,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:48,673 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:50:48,673 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:50:48,674 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:50:48,674 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:50:48,674 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:50:48,674 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,674 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:50:48,674 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:50:48,674 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:50:48,674 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:50:48,674 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:50:48,675 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,686 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,688 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,693 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,696 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,698 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,700 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,703 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:48,754 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:50:48,755 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:50:48,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:48,756 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:48,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-26 13:50:48,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:48,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:48,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:48,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:48,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:48,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:50:48,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:50:48,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:48,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:48,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:48,863 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:48,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:48,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:48,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:48,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:48,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:48,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:50:48,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:50:48,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-26 13:50:48,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:48,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:48,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:48,921 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:48,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-26 13:50:48,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:48,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:48,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:48,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:48,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:48,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:48,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:50:48,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:48,959 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:50:48,963 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 13:50:48,963 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:50:48,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:48,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:48,965 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:48,975 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:50:48,976 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:50:48,976 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:50:48,976 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~j1~0, ~m~0) = -1*~j1~0 + 1*~m~0 Supporting invariants [] [2022-07-26 13:50:48,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-26 13:50:49,000 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 13:50:49,001 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:50:49,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:49,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:50:49,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:49,044 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:50:49,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:49,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:50:49,045 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:50:49,046 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 109 transitions. cyclomatic complexity: 90 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:49,086 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 109 transitions. cyclomatic complexity: 90. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 146 states and 404 transitions. Complement of second has 5 states. [2022-07-26 13:50:49,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 13:50:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:49,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2022-07-26 13:50:49,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-26 13:50:49,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:49,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-26 13:50:49,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:49,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-26 13:50:49,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:49,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 146 states and 404 transitions. [2022-07-26 13:50:49,093 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 26 [2022-07-26 13:50:49,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 146 states to 105 states and 302 transitions. [2022-07-26 13:50:49,095 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2022-07-26 13:50:49,095 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2022-07-26 13:50:49,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 105 states and 302 transitions. [2022-07-26 13:50:49,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:50:49,096 INFO L220 hiAutomatonCegarLoop]: Abstraction has 105 states and 302 transitions. [2022-07-26 13:50:49,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states and 302 transitions. [2022-07-26 13:50:49,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 73. [2022-07-26 13:50:49,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 73 states have (on average 3.0) internal successors, (219), 72 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:49,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 219 transitions. [2022-07-26 13:50:49,104 INFO L242 hiAutomatonCegarLoop]: Abstraction has 73 states and 219 transitions. [2022-07-26 13:50:49,104 INFO L426 stractBuchiCegarLoop]: Abstraction has 73 states and 219 transitions. [2022-07-26 13:50:49,104 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-26 13:50:49,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 219 transitions. [2022-07-26 13:50:49,106 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 16 [2022-07-26 13:50:49,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:50:49,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:50:49,106 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-26 13:50:49,106 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:50:49,107 INFO L733 eck$LassoCheckResult]: Stem: 540#[ULTIMATE.startENTRY]don't care [417] ULTIMATE.startENTRY-->L75-3: Formula: (let ((.cse1 (select |v_#memory_int_48| 1)) (.cse2 (store |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= |v_#NULL.base_10| 0) (= (select |v_#valid_111| 2) 1) (not (= (ite (let ((.cse0 (mod v_~i1~0_54 4294967296))) (and (= v_~i1~0_54 v_~i2~0_52) (= (mod v_~k1~0_59 4294967296) .cse0) (= v_~i1~0_54 0) (= (mod v_~k2~0_55 4294967296) .cse0))) 1 0) 0)) (= (select .cse1 0) 48) (= |v_#memory_int_47| (store |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_45| |v_ULTIMATE.start_main_#t~pre12#1_37|))) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_59|) (< 0 |v_#StackHeapBarrier_22|) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_59| 4) |v_#length_67|) (= (select |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= (select |v_#valid_111| 1) 1) (= |v_ULTIMATE.start_main_#t~pre12#1_37| |v_#pthreadsForks_50|) (= 2 (select |v_#length_68| 1)) (= (select |v_#length_68| 2) 13) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| 0)) (= (select .cse1 1) 0) (= (select .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59|) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_47| 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= |v_#NULL.offset_10| 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)) (= |v_#valid_110| (store .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59| 1)) (= (ite (<= 0 v_~m~0_59) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= (select |v_#valid_111| 0) 0) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_50|, #valid=|v_#valid_111|, #memory_int=|v_#memory_int_48|, #length=|v_#length_68|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_48|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_47|, #NULL.offset=|v_#NULL.offset_10|, ~i1~0=v_~i1~0_54, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_45|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_37|, #pthreadsForks=|v_#pthreadsForks_49|, ~k1~0=v_~k1~0_59, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_85|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, ULTIMATE.start_main_#t~mem17#1=|v_ULTIMATE.start_main_#t~mem17#1_32|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_21|, ~j1~0=v_~j1~0_58, #length=|v_#length_67|, ~m~0=v_~m~0_59, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_48|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_40|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_24|, ULTIMATE.start_main_#t~mem16#1=|v_ULTIMATE.start_main_#t~mem16#1_22|, ~i2~0=v_~i2~0_52, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_48|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_31|, ~k2~0=v_~k2~0_55, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_48|, #valid=|v_#valid_110|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_44|, #memory_int=|v_#memory_int_47|, ~n~0=v_~n~0_41, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_59|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_19|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, #NULL.offset, ~i1~0, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ~k1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~mem17#1, ULTIMATE.start_main_#t~nondet13#1, ~j1~0, #length, ~m~0, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~mem16#1, ~i2~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ~k2~0, ULTIMATE.start_main_#t~nondet8#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ~n~0, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 542#[L75-3]don't care [294] L75-3-->L40-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_8|, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_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_#t~post2, thread1Thread1of1ForFork0_#t~post3, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 578#[L40-1, L75-4]don't care [394] L75-4-->L76-3: Formula: (and (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_31| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_37|)) (= |v_ULTIMATE.start_main_#t~pre14#1_23| |v_#pthreadsForks_36|) (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_37|) 1) (= (store |v_#memory_int_32| |v_ULTIMATE.start_main_~#t2~0#1.base_37| (store (select |v_#memory_int_32| |v_ULTIMATE.start_main_~#t2~0#1.base_37|) |v_ULTIMATE.start_main_~#t2~0#1.offset_31| |v_ULTIMATE.start_main_#t~pre14#1_23|)) |v_#memory_int_31|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_31|) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_36|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_31|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_32|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_37|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_23|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_23|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_31|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_31|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_13|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_37|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 598#[L40-1, L76-3]don't care [297] L76-3-->L51-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2) (= v_thread2Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_8|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, 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~post4, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 524#[L76-4, L51-1, L40-1]don't care [2022-07-26 13:50:49,107 INFO L735 eck$LassoCheckResult]: Loop: 524#[L76-4, L51-1, L40-1]don't care [387] L51-1-->L51-1: Formula: (and (< v_~i2~0_31 v_~n~0_25) (= v_~i2~0_30 (+ v_~i2~0_31 1)) (= (+ v_~m~0_29 v_~k2~0_28) v_~k2~0_27)) InVars {~m~0=v_~m~0_29, ~k2~0=v_~k2~0_28, ~i2~0=v_~i2~0_31, ~n~0=v_~n~0_25} OutVars{thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_17|, ~m~0=v_~m~0_29, ~k2~0=v_~k2~0_27, ~i2~0=v_~i2~0_30, ~n~0=v_~n~0_25} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post4, ~k2~0, ~i2~0] 524#[L76-4, L51-1, L40-1]don't care [2022-07-26 13:50:49,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:49,107 INFO L85 PathProgramCache]: Analyzing trace with hash 13641413, now seen corresponding path program 1 times [2022-07-26 13:50:49,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:49,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589423807] [2022-07-26 13:50:49,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:49,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:49,123 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:49,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:49,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:49,137 INFO L85 PathProgramCache]: Analyzing trace with hash 418, now seen corresponding path program 1 times [2022-07-26 13:50:49,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:49,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78425017] [2022-07-26 13:50:49,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:49,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:49,141 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:49,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:49,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:49,144 INFO L85 PathProgramCache]: Analyzing trace with hash 422884190, now seen corresponding path program 1 times [2022-07-26 13:50:49,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:49,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545623842] [2022-07-26 13:50:49,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:49,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:49,160 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:49,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:49,201 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:50:49,201 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:50:49,202 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:50:49,202 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:50:49,202 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:50:49,202 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,202 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:50:49,202 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:50:49,202 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration3_Loop [2022-07-26 13:50:49,202 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:50:49,202 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:50:49,231 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,242 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,244 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,246 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,272 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,274 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,279 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,331 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:50:49,331 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:50:49,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,332 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:49,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:49,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-26 13:50:49,363 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:49,364 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_5=-1} Honda state: {v_rep#funAddr~thread1.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:50:49,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,387 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-26 13:50:49,392 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:49,392 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:49,402 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:49,403 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_5=1} Honda state: {v_rep#funAddr~thread2.offset_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:50:49,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,419 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-26 13:50:49,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:49,421 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:49,447 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:49,448 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_#t~post4=0} Honda state: {thread2Thread1of1ForFork1_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:50:49,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,466 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-26 13:50:49,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:49,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:49,495 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:49,496 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~k2~0=0, ~m~0=0} Honda state: {~k2~0=0, ~m~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:50:49,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,524 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-26 13:50:49,527 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:49,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:49,568 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:49,568 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_5=-1} Honda state: {v_rep#funAddr~thread2.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:50:49,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,586 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-26 13:50:49,588 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:49,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:49,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,615 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-26 13:50:49,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:50:49,618 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:49,731 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:50:49,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,734 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:50:49,734 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:50:49,734 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:50:49,734 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:50:49,734 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:50:49,735 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,735 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:50:49,735 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:50:49,735 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration3_Loop [2022-07-26 13:50:49,735 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:50:49,735 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:50:49,736 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,738 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,739 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,741 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,757 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,759 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,763 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:49,811 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:50:49,811 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:50:49,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,813 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:49,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:49,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:49,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:49,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:49,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:50:49,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:50:49,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-26 13:50:49,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:49,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,873 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:49,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:49,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:49,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:49,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:49,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:49,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:50:49,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:49,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-26 13:50:49,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:49,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,927 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:49,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:49,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:49,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:49,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:49,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:50:49,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:50:49,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-26 13:50:49,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:49,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:49,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:49,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:49,982 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:49,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:49,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:49,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:49,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:49,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:49,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:50:49,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:50:49,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-26 13:50:50,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:50,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:50,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,033 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:50,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:50,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:50,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:50,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:50,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:50,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:50:50,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:50,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-26 13:50:50,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:50,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:50,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,082 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:50,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:50,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:50,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:50,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:50,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:50,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:50:50,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:50,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-26 13:50:50,107 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:50:50,111 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 13:50:50,111 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:50:50,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,112 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-26 13:50:50,114 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:50:50,114 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:50:50,114 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:50:50,114 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~i2~0, ~n~0) = -1*~i2~0 + 1*~n~0 Supporting invariants [] [2022-07-26 13:50:50,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:50,140 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:50:50,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:50,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:50:50,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:50,176 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:50:50,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:50,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:50:50,177 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:50:50,177 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 73 states and 219 transitions. cyclomatic complexity: 181 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 13:50:50,216 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 73 states and 219 transitions. cyclomatic complexity: 181. 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 167 states and 506 transitions. Complement of second has 4 states. [2022-07-26 13:50:50,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 13:50:50,217 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 13:50:50,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2022-07-26 13:50:50,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-26 13:50:50,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:50,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 13:50:50,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:50,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-26 13:50:50,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:50,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 167 states and 506 transitions. [2022-07-26 13:50:50,224 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-26 13:50:50,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 167 states to 85 states and 266 transitions. [2022-07-26 13:50:50,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-07-26 13:50:50,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2022-07-26 13:50:50,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 85 states and 266 transitions. [2022-07-26 13:50:50,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:50:50,226 INFO L220 hiAutomatonCegarLoop]: Abstraction has 85 states and 266 transitions. [2022-07-26 13:50:50,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states and 266 transitions. [2022-07-26 13:50:50,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 78. [2022-07-26 13:50:50,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 3.2435897435897436) internal successors, (253), 77 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 253 transitions. [2022-07-26 13:50:50,233 INFO L242 hiAutomatonCegarLoop]: Abstraction has 78 states and 253 transitions. [2022-07-26 13:50:50,233 INFO L426 stractBuchiCegarLoop]: Abstraction has 78 states and 253 transitions. [2022-07-26 13:50:50,233 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-26 13:50:50,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 253 transitions. [2022-07-26 13:50:50,234 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-26 13:50:50,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:50:50,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:50:50,234 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2022-07-26 13:50:50,235 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:50:50,235 INFO L733 eck$LassoCheckResult]: Stem: 896#[ULTIMATE.startENTRY]don't care [417] ULTIMATE.startENTRY-->L75-3: Formula: (let ((.cse1 (select |v_#memory_int_48| 1)) (.cse2 (store |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= |v_#NULL.base_10| 0) (= (select |v_#valid_111| 2) 1) (not (= (ite (let ((.cse0 (mod v_~i1~0_54 4294967296))) (and (= v_~i1~0_54 v_~i2~0_52) (= (mod v_~k1~0_59 4294967296) .cse0) (= v_~i1~0_54 0) (= (mod v_~k2~0_55 4294967296) .cse0))) 1 0) 0)) (= (select .cse1 0) 48) (= |v_#memory_int_47| (store |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_45| |v_ULTIMATE.start_main_#t~pre12#1_37|))) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_59|) (< 0 |v_#StackHeapBarrier_22|) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_59| 4) |v_#length_67|) (= (select |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= (select |v_#valid_111| 1) 1) (= |v_ULTIMATE.start_main_#t~pre12#1_37| |v_#pthreadsForks_50|) (= 2 (select |v_#length_68| 1)) (= (select |v_#length_68| 2) 13) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| 0)) (= (select .cse1 1) 0) (= (select .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59|) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_47| 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= |v_#NULL.offset_10| 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)) (= |v_#valid_110| (store .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59| 1)) (= (ite (<= 0 v_~m~0_59) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= (select |v_#valid_111| 0) 0) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_50|, #valid=|v_#valid_111|, #memory_int=|v_#memory_int_48|, #length=|v_#length_68|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_48|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_47|, #NULL.offset=|v_#NULL.offset_10|, ~i1~0=v_~i1~0_54, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_45|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_37|, #pthreadsForks=|v_#pthreadsForks_49|, ~k1~0=v_~k1~0_59, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_85|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, ULTIMATE.start_main_#t~mem17#1=|v_ULTIMATE.start_main_#t~mem17#1_32|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_21|, ~j1~0=v_~j1~0_58, #length=|v_#length_67|, ~m~0=v_~m~0_59, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_48|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_40|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_24|, ULTIMATE.start_main_#t~mem16#1=|v_ULTIMATE.start_main_#t~mem16#1_22|, ~i2~0=v_~i2~0_52, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_48|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_31|, ~k2~0=v_~k2~0_55, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_48|, #valid=|v_#valid_110|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_44|, #memory_int=|v_#memory_int_47|, ~n~0=v_~n~0_41, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_59|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_19|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, #NULL.offset, ~i1~0, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ~k1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~mem17#1, ULTIMATE.start_main_#t~nondet13#1, ~j1~0, #length, ~m~0, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~mem16#1, ~i2~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ~k2~0, ULTIMATE.start_main_#t~nondet8#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ~n~0, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 898#[L75-3]don't care [294] L75-3-->L40-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_8|, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_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_#t~post2, thread1Thread1of1ForFork0_#t~post3, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 930#[L40-1, L75-4]don't care [343] L40-1-->L41-6: Formula: (and (< v_~i1~0_18 v_~n~0_13) (= v_~j1~0_16 0)) InVars {~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} OutVars{~j1~0=v_~j1~0_16, ~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} AuxVars[] AssignedVars[~j1~0] 946#[L75-4, L41-6]don't care [365] L41-6-->L40-1: Formula: (and (= v_~i1~0_26 (+ v_~i1~0_27 1)) (not (< v_~j1~0_28 v_~m~0_25))) InVars {~m~0=v_~m~0_25, ~j1~0=v_~j1~0_28, ~i1~0=v_~i1~0_27} OutVars{~m~0=v_~m~0_25, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_17|, ~j1~0=v_~j1~0_28, ~i1~0=v_~i1~0_26} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post3, ~i1~0] 950#[L40-1, L75-4]don't care [343] L40-1-->L41-6: Formula: (and (< v_~i1~0_18 v_~n~0_13) (= v_~j1~0_16 0)) InVars {~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} OutVars{~j1~0=v_~j1~0_16, ~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} AuxVars[] AssignedVars[~j1~0] 954#[L75-4, L41-6]don't care [2022-07-26 13:50:50,235 INFO L735 eck$LassoCheckResult]: Loop: 954#[L75-4, L41-6]don't care [402] L41-6-->L41-6: Formula: (and (= v_~j1~0_38 (+ v_~j1~0_39 1)) (< v_~j1~0_39 v_~m~0_39) (= (+ v_~k1~0_36 1) v_~k1~0_35)) InVars {~m~0=v_~m~0_39, ~k1~0=v_~k1~0_36, ~j1~0=v_~j1~0_39} OutVars{~m~0=v_~m~0_39, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_17|, ~k1~0=v_~k1~0_35, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_23|, ~j1~0=v_~j1~0_38} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~k1~0, thread1Thread1of1ForFork0_#t~post2, ~j1~0] 954#[L75-4, L41-6]don't care [2022-07-26 13:50:50,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:50,235 INFO L85 PathProgramCache]: Analyzing trace with hash 422837243, now seen corresponding path program 2 times [2022-07-26 13:50:50,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:50,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526305129] [2022-07-26 13:50:50,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:50,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:50,248 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:50,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:50,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:50,259 INFO L85 PathProgramCache]: Analyzing trace with hash 433, now seen corresponding path program 2 times [2022-07-26 13:50:50,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:50,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989695399] [2022-07-26 13:50:50,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:50,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:50,272 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:50:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:50:50,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:50:50,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:50,275 INFO L85 PathProgramCache]: Analyzing trace with hash 223053047, now seen corresponding path program 1 times [2022-07-26 13:50:50,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:50:50,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236224232] [2022-07-26 13:50:50,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:50:50,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:50:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:50:50,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-26 13:50:50,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236224232] [2022-07-26 13:50:50,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236224232] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-26 13:50:50,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-26 13:50:50,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-26 13:50:50,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329793232] [2022-07-26 13:50:50,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-26 13:50:50,365 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:50:50,365 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:50:50,365 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:50:50,365 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:50:50,365 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:50:50,365 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,365 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:50:50,365 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:50:50,365 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration4_Loop [2022-07-26 13:50:50,366 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:50:50,366 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:50:50,367 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,368 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,370 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,372 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,375 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,377 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,378 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,382 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,438 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:50:50,438 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:50:50,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,440 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:50,448 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:50,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-26 13:50:50,465 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:50,465 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post1=0} Honda state: {thread1Thread1of1ForFork0_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:50:50,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:50,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,491 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-26 13:50:50,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:50,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:50,515 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:50,516 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_7=-1} Honda state: {v_rep#funAddr~thread2.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:50:50,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:50,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,541 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,545 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:50,545 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:50,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-26 13:50:50,563 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:50,563 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_7=-1} Honda state: {v_rep#funAddr~thread1.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:50:50,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-07-26 13:50:50,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,580 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-26 13:50:50,583 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:50,583 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:50,594 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:50,594 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_7=0} Honda state: {v_rep#funAddr~thread1.offset_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:50:50,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-26 13:50:50,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,612 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-26 13:50:50,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:50,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:50,623 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:50,623 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_7=1} Honda state: {v_rep#funAddr~thread2.offset_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:50:50,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:50,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,641 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-26 13:50:50,643 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:50,643 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:50,649 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:50:50,649 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post2=0} Honda state: {thread1Thread1of1ForFork0_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:50:50,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-26 13:50:50,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,665 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-26 13:50:50,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:50:50,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:50,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:50,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,689 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-26 13:50:50,691 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:50:50,691 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:50:50,832 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:50:50,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:50,835 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:50:50,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:50:50,835 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:50:50,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:50:50,836 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:50:50,836 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,836 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:50:50,836 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:50:50,836 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration4_Loop [2022-07-26 13:50:50,836 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:50:50,836 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:50:50,837 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,839 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,843 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,850 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,851 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,857 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,859 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,863 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:50:50,914 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:50:50,914 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:50:50,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,916 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-26 13:50:50,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:50,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:50,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:50,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:50,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:50,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:50:50,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:50:50,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:50,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:50,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:50,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:50,975 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:50,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:50,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-26 13:50:50,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:50,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:50,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:50,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:50,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:50,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:50:50,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:50,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:51,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-07-26 13:50:51,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:51,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:51,003 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:51,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-26 13:50:51,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:51,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:51,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:51,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:51,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:51,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:50:51,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:50:51,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:51,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:51,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:51,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:51,061 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:51,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:51,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:51,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:51,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:51,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:51,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-26 13:50:51,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:50:51,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:50:51,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:51,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:51,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:51,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:51,116 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:51,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-26 13:50:51,118 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 13:50:51,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:51,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:51,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:51,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:51,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:50:51,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:50:51,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:51,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:51,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:51,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:51,156 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:51,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-26 13:50:51,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:51,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:51,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:51,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:51,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:51,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:51,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:50:51,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:51,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:50:51,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-26 13:50:51,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:51,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:51,182 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:51,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-26 13:50:51,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:50:51,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:50:51,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:50:51,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:50:51,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:50:51,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:50:51,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:50:51,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:50:51,191 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:50:51,195 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:50:51,195 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:50:51,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:50:51,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:50:51,196 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:50:51,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-26 13:50:51,198 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:50:51,198 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:50:51,198 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:50:51,198 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~j1~0, ~m~0) = -1*~j1~0 + 1*~m~0 Supporting invariants [] [2022-07-26 13:50:51,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:51,215 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:50:51,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:51,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:50:51,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:51,257 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:50:51,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:50:51,258 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:50:51,258 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 253 transitions. cyclomatic complexity: 204 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:51,288 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 253 transitions. cyclomatic complexity: 204. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 148 states and 446 transitions. Complement of second has 5 states. [2022-07-26 13:50:51,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 13:50:51,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:51,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2022-07-26 13:50:51,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 13:50:51,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:51,290 INFO L680 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-26 13:50:51,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:51,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:50:51,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:51,339 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:50:51,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:51,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:50:51,340 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:50:51,340 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 253 transitions. cyclomatic complexity: 204 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:51,365 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 253 transitions. cyclomatic complexity: 204. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 148 states and 446 transitions. Complement of second has 5 states. [2022-07-26 13:50:51,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 13:50:51,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:51,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2022-07-26 13:50:51,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 13:50:51,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:51,369 INFO L680 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-26 13:50:51,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:50:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:51,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:50:51,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:50:51,408 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:50:51,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:50:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:50:51,409 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:50:51,409 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 253 transitions. cyclomatic complexity: 204 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:51,439 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 253 transitions. cyclomatic complexity: 204. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 168 states and 500 transitions. Complement of second has 4 states. [2022-07-26 13:50:51,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 13:50:51,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:51,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2022-07-26 13:50:51,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 13:50:51,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:51,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-26 13:50:51,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:51,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-26 13:50:51,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:50:51,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 168 states and 500 transitions. [2022-07-26 13:50:51,443 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:50:51,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 168 states to 0 states and 0 transitions. [2022-07-26 13:50:51,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 13:50:51,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 13:50:51,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 13:50:51,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 13:50:51,444 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:50:51,444 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:50:51,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-26 13:50:51,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-26 13:50:51,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-26 13:50:51,447 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:50:51,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-26 13:50:51,449 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-07-26 13:50:51,449 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-07-26 13:50:51,449 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:50:51,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-07-26 13:50:51,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 13:50:51,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 13:50:51,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 13:50:51,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 13:50:51,449 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:50:51,449 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:50:51,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-26 13:50:51,450 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:50:51,450 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-26 13:50:51,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-26 13:50:51,450 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:50:51,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:50:51,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:50:51 BoogieIcfgContainer [2022-07-26 13:50:51,455 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:50:51,456 INFO L158 Benchmark]: Toolchain (without parser) took 8637.75ms. Allocated memory was 170.9MB in the beginning and 205.5MB in the end (delta: 34.6MB). Free memory was 119.8MB in the beginning and 75.9MB in the end (delta: 43.9MB). Peak memory consumption was 79.8MB. Max. memory is 8.0GB. [2022-07-26 13:50:51,456 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 170.9MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:50:51,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.10ms. Allocated memory is still 170.9MB. Free memory was 119.6MB in the beginning and 146.3MB in the end (delta: -26.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-07-26 13:50:51,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.46ms. Allocated memory is still 170.9MB. Free memory was 145.7MB in the beginning and 144.6MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:50:51,456 INFO L158 Benchmark]: Boogie Preprocessor took 30.61ms. Allocated memory is still 170.9MB. Free memory was 144.6MB in the beginning and 143.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:50:51,457 INFO L158 Benchmark]: RCFGBuilder took 432.28ms. Allocated memory is still 170.9MB. Free memory was 143.1MB in the beginning and 130.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-07-26 13:50:51,457 INFO L158 Benchmark]: BuchiAutomizer took 7824.45ms. Allocated memory was 170.9MB in the beginning and 205.5MB in the end (delta: 34.6MB). Free memory was 130.5MB in the beginning and 75.9MB in the end (delta: 54.6MB). Peak memory consumption was 90.8MB. Max. memory is 8.0GB. [2022-07-26 13:50:51,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 170.9MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 301.10ms. Allocated memory is still 170.9MB. Free memory was 119.6MB in the beginning and 146.3MB in the end (delta: -26.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.46ms. Allocated memory is still 170.9MB. Free memory was 145.7MB in the beginning and 144.6MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.61ms. Allocated memory is still 170.9MB. Free memory was 144.6MB in the beginning and 143.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 432.28ms. Allocated memory is still 170.9MB. Free memory was 143.1MB in the beginning and 130.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 7824.45ms. Allocated memory was 170.9MB in the beginning and 205.5MB in the end (delta: 34.6MB). Free memory was 130.5MB in the beginning and 75.9MB in the end (delta: 54.6MB). Peak memory consumption was 90.8MB. 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 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * i1 + n and consists of 5 locations. One deterministic module has affine ranking function -1 * j1 + m and consists of 3 locations. One deterministic module has affine ranking function -1 * i2 + n and consists of 3 locations. One nondeterministic module has affine ranking function -1 * j1 + m and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.7s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 52 StatesRemovedByMinimization, 3 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 169 IncrementalHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 0 mSDtfsCounter, 169 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax255 hnf100 lsp25 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 12 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s InitialAbstractionConstructionTime: 3.4s - 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: 3.4s, 111 PlacesBefore, 19 PlacesAfterwards, 113 TransitionsBefore, 15 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 7 FixpointIterations, 72 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 6 ConcurrentYvCompositions, 6 ChoiceCompositions, 118 TotalNumberOfCompositions, 721 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 721, positive: 721, positive conditional: 0, positive unconditional: 721, 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: 531, positive: 531, positive conditional: 0, positive unconditional: 531, 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: 531, positive: 531, positive conditional: 0, positive unconditional: 531, 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: 721, positive: 190, positive conditional: 0, positive unconditional: 190, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 531, unknown conditional: 0, unknown unconditional: 531] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-26 13:50:51,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-26 13:50:51,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-07-26 13:50:51,900 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...