./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/LogAG.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/LogAG.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81a46fe8790e1f522cb67a9c253c8a7e6828f982 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:30:55,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:30:55,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:30:55,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:30:55,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:30:55,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:30:55,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:30:55,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:30:55,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:30:55,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:30:55,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:30:55,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:30:55,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:30:55,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:30:55,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:30:55,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:30:55,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:30:55,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:30:55,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:30:55,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:30:55,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:30:55,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:30:55,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:30:55,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:30:55,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:30:55,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:30:55,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:30:55,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:30:55,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:30:55,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:30:55,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:30:55,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:30:55,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:30:55,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:30:55,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:30:55,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:30:55,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:30:55,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:30:55,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:30:55,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:30:55,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:30:55,646 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:30:55,672 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:30:55,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:30:55,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:30:55,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:30:55,676 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:30:55,676 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:30:55,676 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:30:55,676 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:30:55,676 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:30:55,677 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:30:55,677 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:30:55,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:30:55,677 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:30:55,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:30:55,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:30:55,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:30:55,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:30:55,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:30:55,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:30:55,679 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:30:55,680 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:30:55,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:30:55,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:30:55,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:30:55,681 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:30:55,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:30:55,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:30:55,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:30:55,682 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:30:55,683 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:30:55,683 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81a46fe8790e1f522cb67a9c253c8a7e6828f982 [2019-11-28 20:30:55,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:30:55,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:30:56,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:30:56,001 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:30:56,004 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:30:56,005 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/LogAG.c [2019-11-28 20:30:56,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d31c11335/efff83efe8524070a3c6e01ce0c61998/FLAG653755382 [2019-11-28 20:30:56,494 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:30:56,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/LogAG.c [2019-11-28 20:30:56,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d31c11335/efff83efe8524070a3c6e01ce0c61998/FLAG653755382 [2019-11-28 20:30:56,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d31c11335/efff83efe8524070a3c6e01ce0c61998 [2019-11-28 20:30:56,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:30:56,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:30:56,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:30:56,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:30:56,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:30:56,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:30:56" (1/1) ... [2019-11-28 20:30:56,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4877c490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:30:56, skipping insertion in model container [2019-11-28 20:30:56,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:30:56" (1/1) ... [2019-11-28 20:30:56,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:30:56,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:30:57,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:30:57,141 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:30:57,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:30:57,178 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:30:57,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:30:57 WrapperNode [2019-11-28 20:30:57,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:30:57,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:30:57,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:30:57,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:30:57,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:30:57" (1/1) ... [2019-11-28 20:30:57,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:30:57" (1/1) ... [2019-11-28 20:30:57,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:30:57,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:30:57,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:30:57,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:30:57,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:30:57" (1/1) ... [2019-11-28 20:30:57,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:30:57" (1/1) ... [2019-11-28 20:30:57,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:30:57" (1/1) ... [2019-11-28 20:30:57,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:30:57" (1/1) ... [2019-11-28 20:30:57,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:30:57" (1/1) ... [2019-11-28 20:30:57,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:30:57" (1/1) ... [2019-11-28 20:30:57,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:30:57" (1/1) ... [2019-11-28 20:30:57,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:30:57,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:30:57,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:30:57,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:30:57,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:30:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:30:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:30:57,500 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:30:57,500 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 20:30:57,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:30:57 BoogieIcfgContainer [2019-11-28 20:30:57,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:30:57,502 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:30:57,502 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:30:57,505 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:30:57,506 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:30:57,506 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:30:56" (1/3) ... [2019-11-28 20:30:57,508 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d2ae856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:30:57, skipping insertion in model container [2019-11-28 20:30:57,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:30:57,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:30:57" (2/3) ... [2019-11-28 20:30:57,509 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d2ae856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:30:57, skipping insertion in model container [2019-11-28 20:30:57,509 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:30:57,509 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:30:57" (3/3) ... [2019-11-28 20:30:57,511 INFO L371 chiAutomizerObserver]: Analyzing ICFG LogAG.c [2019-11-28 20:30:57,558 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:30:57,558 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:30:57,558 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:30:57,558 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:30:57,559 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:30:57,559 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:30:57,559 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:30:57,559 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:30:57,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-28 20:30:57,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:30:57,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:30:57,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:30:57,596 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 20:30:57,596 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:30:57,596 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:30:57,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-28 20:30:57,597 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:30:57,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:30:57,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:30:57,598 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 20:30:57,598 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:30:57,604 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~xtmp~0, main_~res~0, main_~restmp~0;havoc main_~x~0;havoc main_~xtmp~0;havoc main_~res~0;havoc main_~restmp~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~res~0 := 0; 6#L13-2true [2019-11-28 20:30:57,604 INFO L796 eck$LassoCheckResult]: Loop: 6#L13-2true assume !!(main_~x~0 > 1);main_~xtmp~0 := main_~x~0 - 2;main_~restmp~0 := 0; 3#L17-2true assume !(main_~xtmp~0 > 1); 10#L17-3true main_~x~0 := 1 + main_~xtmp~0;main_~res~0 := 1 + main_~res~0; 6#L13-2true [2019-11-28 20:30:57,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:30:57,611 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-28 20:30:57,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:30:57,621 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434876660] [2019-11-28 20:30:57,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:30:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:57,718 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:30:57,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:30:57,720 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2019-11-28 20:30:57,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:30:57,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828733771] [2019-11-28 20:30:57,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:30:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:57,741 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:30:57,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:30:57,743 INFO L82 PathProgramCache]: Analyzing trace with hash 963472, now seen corresponding path program 1 times [2019-11-28 20:30:57,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:30:57,744 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094028346] [2019-11-28 20:30:57,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:30:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:57,762 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:30:57,873 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:30:57,875 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:30:57,875 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:30:57,875 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:30:57,876 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:30:57,876 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:57,877 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:30:57,877 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:30:57,877 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration1_Loop [2019-11-28 20:30:57,880 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:30:57,880 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:30:57,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:57,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:57,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:57,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:57,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:58,107 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:30:58,108 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:30:58,120 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:30:58,120 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:58,131 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:30:58,132 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:30:58,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:30:58,149 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:58,154 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:30:58,155 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:30:58,167 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:30:58,167 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:30:58,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:30:58,197 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:58,523 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:30:58,525 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:30:58,525 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:30:58,525 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:30:58,526 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:30:58,528 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:30:58,528 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:58,528 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:30:58,528 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:30:58,529 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration1_Loop [2019-11-28 20:30:58,529 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:30:58,529 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:30:58,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:58,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:58,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:58,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:58,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:58,681 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:30:58,688 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:30:58,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:30:58,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:30:58,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:30:58,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:30:58,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:58,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:30:58,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:30:58,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:58,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:30:58,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:30:58,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:30:58,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:30:58,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:30:58,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:30:58,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:30:58,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:30:58,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:30:58,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:30:58,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:30:58,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:30:58,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:30:58,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:30:58,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:30:58,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:58,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:30:58,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:30:58,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:30:58,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:30:58,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:30:58,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:30:58,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:30:58,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:30:58,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:58,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:30:58,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:30:58,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:30:58,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:30:58,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:30:58,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:30:58,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:30:58,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:30:58,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:58,827 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:30:58,831 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-28 20:30:58,831 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:58,842 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:30:58,843 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:30:58,843 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:30:58,844 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 20:30:58,849 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:30:58,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:30:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:30:58,907 INFO L264 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:30:58,908 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:30:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:30:58,920 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:30:58,920 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:30:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:30:58,974 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:30:58,975 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-11-28 20:30:59,053 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 23 states and 35 transitions. Complement of second has 7 states. [2019-11-28 20:30:59,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:30:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:30:59,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-11-28 20:30:59,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 3 letters. [2019-11-28 20:30:59,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:30:59,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-28 20:30:59,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:30:59,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 6 letters. [2019-11-28 20:30:59,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:30:59,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2019-11-28 20:30:59,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 20:30:59,069 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-11-28 20:30:59,070 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-28 20:30:59,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-28 20:30:59,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-11-28 20:30:59,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:30:59,072 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 20:30:59,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-11-28 20:30:59,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2019-11-28 20:30:59,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-28 20:30:59,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2019-11-28 20:30:59,104 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-11-28 20:30:59,104 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-11-28 20:30:59,104 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:30:59,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2019-11-28 20:30:59,106 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 20:30:59,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:30:59,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:30:59,107 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:30:59,107 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 20:30:59,107 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~xtmp~0, main_~res~0, main_~restmp~0;havoc main_~x~0;havoc main_~xtmp~0;havoc main_~res~0;havoc main_~restmp~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~res~0 := 0; 75#L13-2 assume !!(main_~x~0 > 1);main_~xtmp~0 := main_~x~0 - 2;main_~restmp~0 := 0; 71#L17-2 [2019-11-28 20:30:59,107 INFO L796 eck$LassoCheckResult]: Loop: 71#L17-2 assume !!(main_~xtmp~0 > 1);main_~xtmp~0 := main_~xtmp~0 - 2;main_~restmp~0 := 1 + main_~restmp~0; 71#L17-2 [2019-11-28 20:30:59,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:30:59,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-28 20:30:59,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:30:59,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43303410] [2019-11-28 20:30:59,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:30:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:59,127 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:30:59,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:30:59,128 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2019-11-28 20:30:59,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:30:59,130 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372850336] [2019-11-28 20:30:59,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:30:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:59,149 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:30:59,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:30:59,150 INFO L82 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2019-11-28 20:30:59,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:30:59,150 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393268863] [2019-11-28 20:30:59,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:30:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:59,161 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:30:59,178 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:30:59,179 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:30:59,179 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:30:59,179 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:30:59,179 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:30:59,180 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:59,180 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:30:59,180 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:30:59,180 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration2_Loop [2019-11-28 20:30:59,181 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:30:59,181 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:30:59,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:59,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:59,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:59,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:59,269 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:30:59,269 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:59,277 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:30:59,278 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:30:59,282 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:30:59,282 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:30:59,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:30:59,293 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:59,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:30:59,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:30:59,331 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:30:59,332 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~restmp~0=0} Honda state: {ULTIMATE.start_main_~restmp~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~restmp~0=1}, {ULTIMATE.start_main_~restmp~0=6}, {ULTIMATE.start_main_~restmp~0=-6}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:30:59,349 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:30:59,349 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:59,355 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:30:59,355 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:59,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:30:59,370 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:30:59,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:30:59,399 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:59,416 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:30:59,418 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:30:59,419 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:30:59,419 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:30:59,419 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:30:59,419 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:30:59,419 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:59,419 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:30:59,419 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:30:59,420 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration2_Loop [2019-11-28 20:30:59,420 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:30:59,420 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:30:59,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:59,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:59,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:59,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:59,500 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:30:59,500 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:59,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:30:59,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:30:59,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:30:59,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:30:59,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:30:59,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:30:59,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:30:59,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:59,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:30:59,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:30:59,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:30:59,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:30:59,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:30:59,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:30:59,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:30:59,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:30:59,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:59,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:30:59,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:30:59,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:30:59,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:30:59,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:30:59,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:30:59,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:30:59,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:59,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:30:59,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:30:59,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:30:59,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:30:59,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:30:59,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:30:59,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:30:59,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:30:59,594 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:30:59,600 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:30:59,600 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:59,611 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:30:59,612 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:30:59,612 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:30:59,612 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~xtmp~0) = 1*ULTIMATE.start_main_~xtmp~0 Supporting invariants [] [2019-11-28 20:30:59,614 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:30:59,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:30:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:30:59,643 INFO L264 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:30:59,644 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:30:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:30:59,649 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:30:59,649 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:30:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:30:59,650 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 20:30:59,650 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. [2019-11-28 20:30:59,671 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 13 states and 18 transitions. Complement of second has 5 states. [2019-11-28 20:30:59,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:30:59,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 20:30:59,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-28 20:30:59,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. [2019-11-28 20:30:59,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:30:59,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. [2019-11-28 20:30:59,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:30:59,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-28 20:30:59,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:30:59,676 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2019-11-28 20:30:59,678 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 20:30:59,679 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 13 transitions. [2019-11-28 20:30:59,680 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-28 20:30:59,680 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2019-11-28 20:30:59,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. [2019-11-28 20:30:59,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:30:59,681 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2019-11-28 20:30:59,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. [2019-11-28 20:30:59,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 6. [2019-11-28 20:30:59,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-28 20:30:59,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2019-11-28 20:30:59,683 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2019-11-28 20:30:59,683 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2019-11-28 20:30:59,684 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:30:59,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2019-11-28 20:30:59,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 20:30:59,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:30:59,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:30:59,686 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2019-11-28 20:30:59,686 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 20:30:59,687 INFO L794 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~xtmp~0, main_~res~0, main_~restmp~0;havoc main_~x~0;havoc main_~xtmp~0;havoc main_~res~0;havoc main_~restmp~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~res~0 := 0; 123#L13-2 assume !!(main_~x~0 > 1);main_~xtmp~0 := main_~x~0 - 2;main_~restmp~0 := 0; 120#L17-2 assume !(main_~xtmp~0 > 1); 121#L17-3 main_~x~0 := 1 + main_~xtmp~0;main_~res~0 := 1 + main_~res~0; 124#L13-2 assume !!(main_~x~0 > 1);main_~xtmp~0 := main_~x~0 - 2;main_~restmp~0 := 0; 119#L17-2 [2019-11-28 20:30:59,687 INFO L796 eck$LassoCheckResult]: Loop: 119#L17-2 assume !!(main_~xtmp~0 > 1);main_~xtmp~0 := main_~xtmp~0 - 2;main_~restmp~0 := 1 + main_~restmp~0; 119#L17-2 [2019-11-28 20:30:59,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:30:59,688 INFO L82 PathProgramCache]: Analyzing trace with hash 29867642, now seen corresponding path program 2 times [2019-11-28 20:30:59,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:30:59,689 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022051439] [2019-11-28 20:30:59,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:30:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:59,727 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:30:59,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:30:59,728 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 2 times [2019-11-28 20:30:59,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:30:59,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938812071] [2019-11-28 20:30:59,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:30:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:30:59,742 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:30:59,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:30:59,743 INFO L82 PathProgramCache]: Analyzing trace with hash 925896921, now seen corresponding path program 1 times [2019-11-28 20:30:59,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:30:59,744 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630558648] [2019-11-28 20:30:59,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:30:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:30:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:30:59,860 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630558648] [2019-11-28 20:30:59,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:30:59,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:30:59,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596967989] [2019-11-28 20:30:59,885 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:30:59,885 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:30:59,885 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:30:59,885 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:30:59,885 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:30:59,885 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:30:59,885 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:30:59,886 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:30:59,886 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration3_Loop [2019-11-28 20:30:59,886 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:30:59,886 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:30:59,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:59,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:59,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:59,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:30:59,957 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:30:59,958 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:30:59,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:30:59,975 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:30:59,987 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:30:59,988 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:00,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:31:00,000 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:31:00,007 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:31:00,007 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:31:00,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:31:00,018 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:31:00,028 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:31:00,029 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:00,040 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:31:00,042 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:31:00,042 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:31:00,042 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:31:00,043 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:31:00,043 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:31:00,043 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:00,043 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:31:00,043 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:31:00,043 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration3_Loop [2019-11-28 20:31:00,043 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:31:00,043 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:31:00,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:31:00,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:31:00,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:31:00,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:31:00,129 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:31:00,130 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:31:00,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:31:00,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:31:00,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:31:00,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:31:00,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:31:00,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:31:00,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:00,147 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:00,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:31:00,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:31:00,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:31:00,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:31:00,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:31:00,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:31:00,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:31:00,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:31:00,163 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:31:00,167 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:31:00,167 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:31:00,176 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:31:00,176 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:31:00,176 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:31:00,176 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~xtmp~0) = 1*ULTIMATE.start_main_~xtmp~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:00,187 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:31:00,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:31:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:31:00,223 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:31:00,223 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:31:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:31:00,230 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:31:00,230 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:31:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:31:00,230 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 20:31:00,231 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-11-28 20:31:00,245 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 11 states and 15 transitions. Complement of second has 5 states. [2019-11-28 20:31:00,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:31:00,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 20:31:00,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-28 20:31:00,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 5 letters. Loop has 1 letters. [2019-11-28 20:31:00,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:31:00,247 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:31:00,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:31:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:31:00,269 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:31:00,270 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:31:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:31:00,274 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:31:00,274 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:31:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:31:00,275 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 20:31:00,275 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-11-28 20:31:00,284 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 11 states and 15 transitions. Complement of second has 5 states. [2019-11-28 20:31:00,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:31:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 20:31:00,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-28 20:31:00,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 5 letters. Loop has 1 letters. [2019-11-28 20:31:00,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:31:00,285 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:31:00,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:31:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:31:00,331 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:31:00,332 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:31:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:31:00,338 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:31:00,338 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:31:00,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:31:00,339 INFO L152 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 [2019-11-28 20:31:00,339 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-11-28 20:31:00,353 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 9 states and 11 transitions. Complement of second has 4 states. [2019-11-28 20:31:00,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:31:00,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 20:31:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2019-11-28 20:31:00,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 1 letters. [2019-11-28 20:31:00,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:31:00,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-28 20:31:00,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:31:00,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 20:31:00,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:31:00,356 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2019-11-28 20:31:00,357 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:31:00,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2019-11-28 20:31:00,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:31:00,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:31:00,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:31:00,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:31:00,359 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:31:00,359 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:31:00,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:31:00,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:31:00,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:31:00,364 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-28 20:31:00,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:31:00,367 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 20:31:00,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 20:31:00,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 20:31:00,367 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:31:00,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 20:31:00,368 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:31:00,368 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:31:00,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:31:00,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:31:00,368 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:31:00,368 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:31:00,368 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:31:00,368 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 20:31:00,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:31:00,368 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:31:00,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:31:00,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:31:00 BoogieIcfgContainer [2019-11-28 20:31:00,374 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:31:00,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:31:00,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:31:00,374 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:31:00,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:30:57" (3/4) ... [2019-11-28 20:31:00,378 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:31:00,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:31:00,380 INFO L168 Benchmark]: Toolchain (without parser) took 3482.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 955.0 MB in the beginning and 1.2 GB in the end (delta: -227.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:31:00,380 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:31:00,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.78 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:31:00,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.08 ms. Allocated memory is still 1.0 GB. Free memory is still 944.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:31:00,382 INFO L168 Benchmark]: Boogie Preprocessor took 74.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:31:00,383 INFO L168 Benchmark]: RCFGBuilder took 217.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:31:00,384 INFO L168 Benchmark]: BuchiAutomizer took 2872.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -62.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:31:00,385 INFO L168 Benchmark]: Witness Printer took 3.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:31:00,396 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.78 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.08 ms. Allocated memory is still 1.0 GB. Free memory is still 944.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 217.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2872.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -62.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function xtmp and consists of 3 locations. One nondeterministic module has affine ranking function xtmp 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 2.8s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 23 SDslu, 6 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax168 hnf99 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq162 hnf93 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...