./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/lcm1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-nla/lcm1-both-t.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 14:21:08,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 14:21:08,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 14:21:08,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 14:21:08,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 14:21:08,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 14:21:08,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 14:21:08,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 14:21:08,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 14:21:09,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 14:21:09,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 14:21:09,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 14:21:09,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 14:21:09,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 14:21:09,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 14:21:09,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 14:21:09,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 14:21:09,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 14:21:09,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 14:21:09,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 14:21:09,018 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 14:21:09,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 14:21:09,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 14:21:09,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 14:21:09,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 14:21:09,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 14:21:09,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 14:21:09,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 14:21:09,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 14:21:09,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 14:21:09,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 14:21:09,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 14:21:09,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 14:21:09,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 14:21:09,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 14:21:09,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 14:21:09,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 14:21:09,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 14:21:09,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 14:21:09,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 14:21:09,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 14:21:09,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 14:21:09,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 14:21:09,067 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 14:21:09,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 14:21:09,067 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 14:21:09,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 14:21:09,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 14:21:09,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 14:21:09,069 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 14:21:09,069 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 14:21:09,070 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 14:21:09,070 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 14:21:09,070 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 14:21:09,071 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 14:21:09,071 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 14:21:09,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 14:21:09,071 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 14:21:09,071 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 14:21:09,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 14:21:09,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 14:21:09,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 14:21:09,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 14:21:09,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 14:21:09,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 14:21:09,073 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 14:21:09,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 14:21:09,074 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 14:21:09,074 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 14:21:09,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 14:21:09,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 14:21:09,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 14:21:09,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 14:21:09,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 14:21:09,076 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 14:21:09,076 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f [2022-07-23 14:21:09,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 14:21:09,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 14:21:09,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 14:21:09,353 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 14:21:09,354 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 14:21:09,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/lcm1-both-t.c [2022-07-23 14:21:09,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fac8de7e8/cde5132b619c430ca15d3f369ffc6ebb/FLAG2728d85fb [2022-07-23 14:21:09,785 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 14:21:09,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/lcm1-both-t.c [2022-07-23 14:21:09,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fac8de7e8/cde5132b619c430ca15d3f369ffc6ebb/FLAG2728d85fb [2022-07-23 14:21:10,209 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fac8de7e8/cde5132b619c430ca15d3f369ffc6ebb [2022-07-23 14:21:10,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 14:21:10,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 14:21:10,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 14:21:10,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 14:21:10,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 14:21:10,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:21:10" (1/1) ... [2022-07-23 14:21:10,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3286c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:21:10, skipping insertion in model container [2022-07-23 14:21:10,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:21:10" (1/1) ... [2022-07-23 14:21:10,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 14:21:10,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 14:21:10,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:21:10,416 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 14:21:10,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:21:10,448 INFO L208 MainTranslator]: Completed translation [2022-07-23 14:21:10,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:21:10 WrapperNode [2022-07-23 14:21:10,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 14:21:10,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 14:21:10,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 14:21:10,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 14:21:10,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:21:10" (1/1) ... [2022-07-23 14:21:10,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:21:10" (1/1) ... [2022-07-23 14:21:10,474 INFO L137 Inliner]: procedures = 4, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2022-07-23 14:21:10,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 14:21:10,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 14:21:10,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 14:21:10,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 14:21:10,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:21:10" (1/1) ... [2022-07-23 14:21:10,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:21:10" (1/1) ... [2022-07-23 14:21:10,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:21:10" (1/1) ... [2022-07-23 14:21:10,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:21:10" (1/1) ... [2022-07-23 14:21:10,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:21:10" (1/1) ... [2022-07-23 14:21:10,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:21:10" (1/1) ... [2022-07-23 14:21:10,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:21:10" (1/1) ... [2022-07-23 14:21:10,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 14:21:10,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 14:21:10,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 14:21:10,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 14:21:10,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:21:10" (1/1) ... [2022-07-23 14:21:10,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:21:10,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:21:10,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:21:10,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-23 14:21:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 14:21:10,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 14:21:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2022-07-23 14:21:10,609 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 14:21:10,611 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 14:21:10,742 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 14:21:10,761 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 14:21:10,762 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-23 14:21:10,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:21:10 BoogieIcfgContainer [2022-07-23 14:21:10,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 14:21:10,764 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 14:21:10,764 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 14:21:10,767 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 14:21:10,770 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:21:10,770 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 02:21:10" (1/3) ... [2022-07-23 14:21:10,771 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d1e71c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:21:10, skipping insertion in model container [2022-07-23 14:21:10,772 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:21:10,772 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:21:10" (2/3) ... [2022-07-23 14:21:10,787 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d1e71c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:21:10, skipping insertion in model container [2022-07-23 14:21:10,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:21:10,788 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:21:10" (3/3) ... [2022-07-23 14:21:10,790 INFO L354 chiAutomizerObserver]: Analyzing ICFG lcm1-both-t.c [2022-07-23 14:21:10,848 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 14:21:10,848 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 14:21:10,848 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 14:21:10,849 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 14:21:10,849 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 14:21:10,849 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 14:21:10,849 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 14:21:10,850 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 14:21:10,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:21:10,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-23 14:21:10,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:21:10,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:21:10,876 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-23 14:21:10,877 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-23 14:21:10,877 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 14:21:10,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:21:10,880 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-23 14:21:10,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:21:10,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:21:10,881 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-23 14:21:10,881 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-23 14:21:10,886 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 5#L33true assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 9#L55-2true [2022-07-23 14:21:10,887 INFO L754 eck$LassoCheckResult]: Loop: 9#L55-2true assume !false; 4#L44true assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 11#L47-2true assume !true; 7#L55-1true assume !true; 9#L55-2true [2022-07-23 14:21:10,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:21:10,895 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-07-23 14:21:10,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:21:10,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148098126] [2022-07-23 14:21:10,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:21:10,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:21:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:21:11,001 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:21:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:21:11,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:21:11,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:21:11,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1421558, now seen corresponding path program 1 times [2022-07-23 14:21:11,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:21:11,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513566998] [2022-07-23 14:21:11,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:21:11,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:21:11,055 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 14:21:11,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [121123977] [2022-07-23 14:21:11,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:21:11,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 14:21:11,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:21:11,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 14:21:11,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 14:21:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:21:11,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-23 14:21:11,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:21:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:21:11,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 14:21:11,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:21:11,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513566998] [2022-07-23 14:21:11,132 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-23 14:21:11,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121123977] [2022-07-23 14:21:11,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121123977] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:21:11,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:21:11,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 14:21:11,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803283789] [2022-07-23 14:21:11,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:21:11,138 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 14:21:11,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:21:11,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 14:21:11,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 14:21:11,169 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:21:11,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:21:11,175 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2022-07-23 14:21:11,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 14:21:11,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2022-07-23 14:21:11,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-23 14:21:11,186 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 11 transitions. [2022-07-23 14:21:11,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-07-23 14:21:11,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-07-23 14:21:11,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2022-07-23 14:21:11,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:21:11,190 INFO L369 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-07-23 14:21:11,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2022-07-23 14:21:11,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-07-23 14:21:11,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:21:11,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2022-07-23 14:21:11,211 INFO L392 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-07-23 14:21:11,211 INFO L374 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-07-23 14:21:11,212 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 14:21:11,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2022-07-23 14:21:11,212 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-23 14:21:11,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:21:11,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:21:11,214 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-23 14:21:11,214 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-23 14:21:11,214 INFO L752 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 46#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 51#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 50#L55-2 [2022-07-23 14:21:11,215 INFO L754 eck$LassoCheckResult]: Loop: 50#L55-2 assume !false; 47#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 48#L47-2 assume !false; 49#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 43#L55-1 assume !false; 44#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 50#L55-2 [2022-07-23 14:21:11,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:21:11,222 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2022-07-23 14:21:11,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:21:11,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168161021] [2022-07-23 14:21:11,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:21:11,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:21:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:21:11,241 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:21:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:21:11,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:21:11,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:21:11,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1365890956, now seen corresponding path program 1 times [2022-07-23 14:21:11,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:21:11,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810069533] [2022-07-23 14:21:11,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:21:11,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:21:11,270 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 14:21:11,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1717565505] [2022-07-23 14:21:11,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:21:11,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 14:21:11,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:21:11,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 14:21:11,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 14:21:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:21:11,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 14:21:11,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:21:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:21:11,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 14:21:11,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:21:11,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810069533] [2022-07-23 14:21:11,395 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-23 14:21:11,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717565505] [2022-07-23 14:21:11,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717565505] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:21:11,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:21:11,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 14:21:11,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217952398] [2022-07-23 14:21:11,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:21:11,398 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 14:21:11,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:21:11,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 14:21:11,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-23 14:21:11,400 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:21:23,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-07-23 14:21:23,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:21:23,488 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2022-07-23 14:21:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 14:21:23,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2022-07-23 14:21:23,490 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-07-23 14:21:23,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2022-07-23 14:21:23,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-07-23 14:21:23,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-07-23 14:21:23,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2022-07-23 14:21:23,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:21:23,491 INFO L369 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-07-23 14:21:23,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2022-07-23 14:21:23,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-07-23 14:21:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:21:23,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-07-23 14:21:23,493 INFO L392 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-07-23 14:21:23,493 INFO L374 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-07-23 14:21:23,494 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 14:21:23,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2022-07-23 14:21:23,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-07-23 14:21:23,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:21:23,494 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:21:23,495 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-23 14:21:23,495 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2022-07-23 14:21:23,495 INFO L752 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 96#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 95#L55-2 [2022-07-23 14:21:23,495 INFO L754 eck$LassoCheckResult]: Loop: 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2022-07-23 14:21:23,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:21:23,496 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2022-07-23 14:21:23,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:21:23,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903837247] [2022-07-23 14:21:23,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:21:23,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:21:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:21:23,504 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:21:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:21:23,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:21:23,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:21:23,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1638780463, now seen corresponding path program 1 times [2022-07-23 14:21:23,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:21:23,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994534256] [2022-07-23 14:21:23,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:21:23,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:21:23,514 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 14:21:23,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1177033165] [2022-07-23 14:21:23,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:21:23,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 14:21:23,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:21:23,548 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 14:21:23,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 14:21:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:21:23,586 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:21:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:21:23,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:21:23,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:21:23,634 INFO L85 PathProgramCache]: Analyzing trace with hash 137450356, now seen corresponding path program 1 times [2022-07-23 14:21:23,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:21:23,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527767724] [2022-07-23 14:21:23,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:21:23,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:21:23,640 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 14:21:23,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1961627079] [2022-07-23 14:21:23,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:21:23,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 14:21:23,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:21:23,647 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 14:21:23,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 14:21:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:21:23,691 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:21:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:21:23,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:21:34,448 WARN L233 SmtUtils]: Spent 10.71s on a formula simplification. DAG size of input: 35 DAG size of output: 34 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-23 14:21:40,646 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:21:40,647 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:21:40,647 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:21:40,647 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:21:40,647 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:21:40,648 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:21:40,648 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:21:40,648 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:21:40,648 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2022-07-23 14:21:40,648 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:21:40,648 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:21:40,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:22:06,541 WARN L233 SmtUtils]: Spent 23.43s on a formula simplification. DAG size of input: 77 DAG size of output: 55 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-07-23 14:22:19,959 WARN L233 SmtUtils]: Spent 13.41s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-07-23 14:22:19,964 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:22:19,964 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 14:22:19,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:22:19,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:22:19,972 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:22:19,982 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:22:19,982 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:22:19,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-23 14:22:20,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-23 14:22:20,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:22:20,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:22:20,023 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:22:20,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-23 14:22:20,025 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 14:22:20,025 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:22:20,052 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 14:22:20,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-23 14:22:20,070 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:22:20,070 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:22:20,070 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:22:20,070 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:22:20,070 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:22:20,070 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:22:20,070 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:22:20,070 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:22:20,070 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2022-07-23 14:22:20,070 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:22:20,070 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:22:20,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:22:33,003 WARN L233 SmtUtils]: Spent 10.74s on a formula simplification. DAG size of input: 77 DAG size of output: 55 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-07-23 14:22:36,279 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:22:36,283 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:22:36,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:22:36,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:22:36,285 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:22:36,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-23 14:22:36,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:22:36,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:22:36,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:22:36,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:22:36,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:22:36,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:22:36,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:22:36,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:22:36,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:22:36,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-23 14:22:36,344 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-07-23 14:22:36,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:22:36,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:22:36,346 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:22:36,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-23 14:22:36,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:22:36,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:22:36,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:22:36,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:22:36,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:22:36,366 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:22:36,371 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:22:36,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:22:36,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:22:36,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-23 14:22:36,411 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-07-23 14:22:36,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:22:36,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:22:36,413 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:22:36,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-23 14:22:36,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:22:36,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:22:36,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:22:36,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:22:36,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:22:36,426 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:22:36,433 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:22:36,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:22:36,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:22:36,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-23 14:22:36,473 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-07-23 14:22:36,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:22:36,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:22:36,475 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:22:36,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:22:36,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:22:36,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:22:36,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:22:36,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:22:36,492 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:22:36,505 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:22:36,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:22:36,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-23 14:22:36,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:22:36,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-23 14:22:36,549 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-07-23 14:22:36,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:22:36,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:22:36,551 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:22:36,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:22:36,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-23 14:22:36,575 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:22:36,576 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:22:36,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:22:36,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:22:36,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:22:36,576 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:22:36,581 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:22:36,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:22:36,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:22:36,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-23 14:22:36,618 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-07-23 14:22:36,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:22:36,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:22:36,621 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:22:36,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:22:36,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-23 14:22:36,638 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:22:36,639 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:22:36,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:22:36,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:22:36,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:22:36,639 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:22:36,646 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:22:36,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:22:36,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:22:36,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-23 14:22:36,694 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-07-23 14:22:36,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:22:36,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:22:36,695 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:22:36,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-23 14:22:36,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:22:36,707 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:22:36,707 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:22:36,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:22:36,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:22:36,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:22:36,707 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:22:36,718 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:22:36,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:22:36,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:22:36,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-23 14:22:36,769 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-07-23 14:22:36,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:22:36,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:22:36,770 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:22:36,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:22:36,783 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:22:36,783 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:22:36,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:22:36,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:22:36,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:22:36,784 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:22:36,789 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:22:36,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:22:36,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-23 14:22:36,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:22:36,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-23 14:22:36,821 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-07-23 14:22:36,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:22:36,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:22:36,822 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:22:36,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-23 14:22:36,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:22:36,836 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:22:36,836 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:22:36,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:22:36,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:22:36,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:22:36,837 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:22:36,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:22:36,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:22:36,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:22:36,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-23 14:22:36,960 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:22:36,960 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:22:36,960 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:22:36,961 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:22:36,961 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:22:36,961 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:22:36,961 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:22:36,961 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:22:36,961 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2022-07-23 14:22:36,961 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:22:36,961 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:22:36,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:22:38,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:22:38,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:22:38,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:22:52,047 WARN L233 SmtUtils]: Spent 13.68s on a formula simplification. DAG size of input: 77 DAG size of output: 55 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-07-23 14:23:00,977 WARN L233 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-07-23 14:23:00,982 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:23:00,982 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 14:23:00,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:00,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:00,986 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:00,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-23 14:23:00,993 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:23:00,993 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:23:01,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:01,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:01,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:01,032 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:01,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-23 14:23:01,034 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 14:23:01,034 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:23:01,056 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 14:23:01,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:01,079 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:23:01,079 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:23:01,079 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:23:01,079 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:23:01,079 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:23:01,079 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:01,080 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:23:01,080 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:23:01,080 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2022-07-23 14:23:01,080 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:23:01,080 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:23:01,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:23:01,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:23:01,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:23:01,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:23:24,324 WARN L233 SmtUtils]: Spent 21.40s on a formula simplification. DAG size of input: 77 DAG size of output: 55 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-07-23 14:23:26,734 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:23:26,734 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:23:26,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:26,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:26,736 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:26,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-23 14:23:26,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:26,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:26,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:26,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:26,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:26,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:23:26,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:23:26,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:26,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:26,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:26,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:26,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:26,765 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:26,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-23 14:23:26,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:26,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:26,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:26,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:26,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:26,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:23:26,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:23:26,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:26,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:26,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:26,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:26,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:26,790 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:26,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-23 14:23:26,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:26,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:26,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:26,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:26,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:26,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:23:26,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:23:26,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:26,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:26,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:26,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:26,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:26,814 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:26,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-23 14:23:26,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:26,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:26,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:26,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:26,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:23:26,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:23:26,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:23:26,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:26,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:26,877 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-07-23 14:23:26,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:26,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:26,879 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:26,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:26,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:26,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:26,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:26,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:26,893 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:23:26,894 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:23:26,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:26,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-23 14:23:26,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:26,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:26,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:26,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:26,921 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:26,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-23 14:23:26,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:26,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:26,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:26,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:26,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:26,929 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:23:26,930 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:23:26,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:26,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:26,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:26,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:26,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:26,947 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:26,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-23 14:23:26,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:26,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:26,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:26,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:26,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:26,955 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:23:26,956 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:23:26,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:26,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:26,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:26,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:26,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:26,973 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:26,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-23 14:23:26,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:26,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:26,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:26,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:26,991 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:23:27,001 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-07-23 14:23:27,001 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-07-23 14:23:27,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:27,028 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-07-23 14:23:27,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,029 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-23 14:23:27,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:27,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,038 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:23:27,039 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:23:27,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:27,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,057 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-23 14:23:27,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:27,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,068 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:23:27,069 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:23:27,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:27,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,114 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-23 14:23:27,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:27,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,125 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:23:27,125 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:23:27,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:27,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,142 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-23 14:23:27,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:27,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,153 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:23:27,167 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-07-23 14:23:27,167 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-23 14:23:27,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-23 14:23:27,199 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-07-23 14:23:27,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,201 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-23 14:23:27,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:27,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,209 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:23:27,210 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:23:27,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:27,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,227 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-23 14:23:27,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:27,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,235 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:23:27,236 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:23:27,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:27,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,253 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-23 14:23:27,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:27,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,261 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:23:27,262 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:23:27,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:27,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,279 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-23 14:23:27,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:23:27,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,287 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:23:27,304 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-07-23 14:23:27,304 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-07-23 14:23:27,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:27,355 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-07-23 14:23:27,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,356 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-23 14:23:27,366 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:27,367 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:23:27,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,367 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:23:27,367 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:23:27,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-07-23 14:23:27,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,406 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-23 14:23:27,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,414 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:27,415 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:23:27,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,415 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:23:27,415 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:23:27,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:27,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,433 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-23 14:23:27,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,440 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:27,440 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:23:27,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,440 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:23:27,441 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:23:27,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:27,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,460 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-23 14:23:27,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,468 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:27,468 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:23:27,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,468 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:23:27,483 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-07-23 14:23:27,483 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-07-23 14:23:27,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:27,521 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-07-23 14:23:27,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,522 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-23 14:23:27,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,530 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:27,530 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:23:27,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,530 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:23:27,531 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:23:27,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-07-23 14:23:27,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,573 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-23 14:23:27,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,582 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:27,582 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:23:27,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,583 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:23:27,584 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:23:27,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-23 14:23:27,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,623 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-23 14:23:27,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,631 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:27,631 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:23:27,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,631 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:23:27,632 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:23:27,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-07-23 14:23:27,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,666 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-23 14:23:27,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,676 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:27,676 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:23:27,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,676 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:23:27,693 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-07-23 14:23:27,693 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-23 14:23:27,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-07-23 14:23:27,735 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-07-23 14:23:27,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,736 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-23 14:23:27,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,744 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:27,744 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:23:27,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,744 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:23:27,745 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:23:27,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-07-23 14:23:27,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,764 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-23 14:23:27,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,772 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:27,772 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:23:27,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,773 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:23:27,774 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:23:27,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-07-23 14:23:27,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,792 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-23 14:23:27,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,800 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:27,800 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:23:27,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,801 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:23:27,803 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:23:27,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:27,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,841 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,852 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:27,852 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:23:27,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,852 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:23:27,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-23 14:23:27,871 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-07-23 14:23:27,871 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-07-23 14:23:27,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:27,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-07-23 14:23:27,974 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-07-23 14:23:27,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:27,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:27,975 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:27,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-23 14:23:27,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:27,984 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:27,984 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:23:27,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:27,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:27,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:27,984 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:23:27,986 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:23:27,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:27,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:28,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-07-23 14:23:28,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:28,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:28,013 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:28,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-23 14:23:28,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:28,021 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:28,021 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:23:28,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:28,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:28,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:28,021 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:23:28,022 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:23:28,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:28,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:28,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-07-23 14:23:28,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:28,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:28,040 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:28,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-23 14:23:28,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:28,048 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:28,048 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:23:28,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:28,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:28,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:28,048 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:23:28,049 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:23:28,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:28,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:28,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-07-23 14:23:28,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:28,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:28,067 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:28,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-23 14:23:28,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:28,076 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:28,076 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:23:28,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:28,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:28,076 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:23:28,097 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-07-23 14:23:28,097 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-23 14:23:28,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:28,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:28,148 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-07-23 14:23:28,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:28,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:28,149 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:28,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:28,164 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:28,164 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:23:28,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:28,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:28,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:28,164 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:23:28,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:23:28,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:28,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-07-23 14:23:28,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:28,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:28,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:28,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:28,200 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:28,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-23 14:23:28,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:28,210 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:28,210 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:23:28,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:28,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:28,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:28,210 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:23:28,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:23:28,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:28,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:28,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:28,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:28,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:28,249 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:28,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-23 14:23:28,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:28,259 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:28,259 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:23:28,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:23:28,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:28,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:28,259 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:23:28,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:23:28,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:23:28,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:28,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:28,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:28,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:28,306 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:28,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:23:28,321 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:23:28,321 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:23:28,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:23:28,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:23:28,321 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:23:28,340 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-07-23 14:23:28,340 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-07-23 14:23:28,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-23 14:23:28,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:23:28,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-07-23 14:23:28,388 INFO L321 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2022-07-23 14:23:28,388 INFO L752 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 96#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2022-07-23 14:23:28,388 INFO L754 eck$LassoCheckResult]: Loop: 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2022-07-23 14:23:28,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:23:28,389 INFO L85 PathProgramCache]: Analyzing trace with hash 137450356, now seen corresponding path program 2 times [2022-07-23 14:23:28,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:23:28,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686365223] [2022-07-23 14:23:28,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:23:28,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:23:28,396 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 14:23:28,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [81831748] [2022-07-23 14:23:28,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 14:23:28,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 14:23:28,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:28,402 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 14:23:28,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2022-07-23 14:23:28,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 14:23:28,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-23 14:23:28,483 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:23:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:23:28,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:23:28,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:23:28,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1638780463, now seen corresponding path program 2 times [2022-07-23 14:23:28,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:23:28,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634300103] [2022-07-23 14:23:28,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:23:28,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:23:28,575 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 14:23:28,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [367137532] [2022-07-23 14:23:28,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 14:23:28,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 14:23:28,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:28,592 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 14:23:28,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2022-07-23 14:23:28,800 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 14:23:28,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-23 14:23:28,800 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:23:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:23:28,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:23:28,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:23:28,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1338088892, now seen corresponding path program 3 times [2022-07-23 14:23:28,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:23:28,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224589006] [2022-07-23 14:23:28,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:23:28,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:23:28,856 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 14:23:28,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [495268039] [2022-07-23 14:23:28,856 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 14:23:28,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 14:23:28,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:28,857 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 14:23:28,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2022-07-23 14:23:28,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-07-23 14:23:28,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 14:23:28,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:23:28,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:23:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-23 14:23:29,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 14:23:29,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:23:29,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224589006] [2022-07-23 14:23:29,055 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-23 14:23:29,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495268039] [2022-07-23 14:23:29,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495268039] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:23:29,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:23:29,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 14:23:29,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049943626] [2022-07-23 14:23:29,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:23:32,704 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:23:32,704 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:23:32,704 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:23:32,704 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:23:32,704 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:23:32,704 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:32,704 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:23:32,704 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:23:32,704 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2022-07-23 14:23:32,704 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:23:32,704 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:23:32,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:23:43,656 WARN L233 SmtUtils]: Spent 10.30s on a formula simplification. DAG size of input: 72 DAG size of output: 54 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-07-23 14:23:47,779 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:23:47,779 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 14:23:47,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:47,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:47,781 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:47,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-07-23 14:23:47,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:23:47,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:23:47,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:47,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:47,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:23:47,835 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:23:47,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-07-23 14:23:47,836 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 14:23:47,836 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:23:47,871 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 14:23:47,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-07-23 14:23:47,894 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:23:47,894 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:23:47,894 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:23:47,894 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:23:47,894 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:23:47,894 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:23:47,894 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:23:47,894 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:23:47,894 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2022-07-23 14:23:47,894 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:23:47,894 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:23:47,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:24:12,688 WARN L233 SmtUtils]: Spent 22.51s on a formula simplification. DAG size of input: 72 DAG size of output: 54 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-07-23 14:24:15,180 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:24:15,180 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:24:15,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:24:15,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:24:15,181 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:24:15,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-07-23 14:24:15,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:24:15,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:24:15,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:24:15,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:24:15,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:24:15,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:24:15,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:24:15,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:24:15,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:24:15,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-07-23 14:24:15,215 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-07-23 14:24:15,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:24:15,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:24:15,216 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:24:15,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-07-23 14:24:15,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:24:15,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:24:15,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:24:15,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:24:15,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:24:15,224 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:24:15,229 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:24:15,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:24:15,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:24:15,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-07-23 14:24:15,247 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-07-23 14:24:15,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:24:15,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:24:15,248 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:24:15,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-07-23 14:24:15,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:24:15,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:24:15,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:24:15,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:24:15,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:24:15,256 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:24:15,266 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:24:15,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:24:15,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:24:15,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-07-23 14:24:15,285 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-07-23 14:24:15,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:24:15,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:24:15,286 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:24:15,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-07-23 14:24:15,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:24:15,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:24:15,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:24:15,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:24:15,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:24:15,294 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:24:15,300 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:24:15,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:24:15,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:24:15,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-07-23 14:24:15,340 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-07-23 14:24:15,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:24:15,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:24:15,342 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:24:15,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-07-23 14:24:15,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:24:15,352 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:24:15,352 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:24:15,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:24:15,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:24:15,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:24:15,352 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:24:15,355 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:24:15,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:24:15,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:24:15,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-07-23 14:24:15,391 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-07-23 14:24:15,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:24:15,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:24:15,392 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:24:15,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:24:15,403 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:24:15,403 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-07-23 14:24:15,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:24:15,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:24:15,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:24:15,403 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:24:15,408 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:24:15,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:24:15,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-07-23 14:24:15,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:24:15,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-07-23 14:24:15,444 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-07-23 14:24:15,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:24:15,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:24:15,445 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:24:15,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:24:15,455 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:24:15,455 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:24:15,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:24:15,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:24:15,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:24:15,455 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-07-23 14:24:15,461 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-07-23 14:24:15,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:24:15,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-07-23 14:24:15,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:24:15,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-07-23 14:24:15,499 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-07-23 14:24:15,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:24:15,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:24:15,500 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:24:15,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:24:15,511 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:24:15,511 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-07-23 14:24:15,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:24:15,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:24:15,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:24:15,511 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-07-23 14:24:15,515 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:24:15,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:24:15,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-07-23 14:24:15,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:24:15,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-07-23 14:24:15,547 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-07-23 14:24:15,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:24:15,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:24:15,548 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:24:15,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:24:15,559 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-07-23 14:24:15,560 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-07-23 14:24:15,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:24:15,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:24:15,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:24:15,560 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-07-23 14:24:15,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-07-23 14:24:15,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:24:15,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:24:15,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:24:15,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-07-23 14:24:15,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:24:15,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 14:24:15,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 14:24:15,602 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:24:16,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:24:16,417 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2022-07-23 14:24:16,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 14:24:16,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2022-07-23 14:24:16,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-07-23 14:24:16,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 17 states and 20 transitions. [2022-07-23 14:24:16,420 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-07-23 14:24:16,421 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-07-23 14:24:16,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2022-07-23 14:24:16,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:24:16,421 INFO L369 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-07-23 14:24:16,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2022-07-23 14:24:16,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-07-23 14:24:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:24:16,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-07-23 14:24:16,422 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-07-23 14:24:16,423 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-07-23 14:24:16,423 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 14:24:16,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2022-07-23 14:24:16,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-07-23 14:24:16,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:24:16,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:24:16,423 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 14:24:16,423 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 14:24:16,424 INFO L752 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 197#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 196#L55-2 assume !false; 192#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 193#L47-2 assume !false; 204#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2022-07-23 14:24:16,424 INFO L754 eck$LassoCheckResult]: Loop: 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2022-07-23 14:24:16,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:24:16,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1807031086, now seen corresponding path program 1 times [2022-07-23 14:24:16,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:24:16,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134372689] [2022-07-23 14:24:16,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:24:16,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:24:16,430 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 14:24:16,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [715993254] [2022-07-23 14:24:16,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:24:16,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 14:24:16,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:24:16,432 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 14:24:16,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2022-07-23 14:24:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:24:16,455 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:24:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:24:16,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:24:16,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:24:16,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2022-07-23 14:24:16,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:24:16,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807489142] [2022-07-23 14:24:16,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:24:16,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:24:16,469 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 14:24:16,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1561309820] [2022-07-23 14:24:16,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:24:16,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 14:24:16,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:24:16,475 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 14:24:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:24:16,495 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:24:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:24:16,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2022-07-23 14:24:16,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:24:16,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:24:16,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1390087027, now seen corresponding path program 2 times [2022-07-23 14:24:16,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:24:16,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713326060] [2022-07-23 14:24:16,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:24:16,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:24:16,504 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 14:24:16,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [852983467] [2022-07-23 14:24:16,504 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 14:24:16,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 14:24:16,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:24:16,511 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 14:24:16,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2022-07-23 14:24:18,074 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 14:24:18,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-23 14:24:18,074 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:24:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:24:18,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:24:28,418 WARN L233 SmtUtils]: Spent 6.82s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 813] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-07-23 14:24:31,912 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:24:31,912 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:24:31,912 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:24:31,912 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:24:31,912 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:24:31,912 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:24:31,912 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:24:31,912 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:24:31,912 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2022-07-23 14:24:31,912 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:24:31,912 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:24:31,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:24:31,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:24:31,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:24:31,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true