./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/prodbin-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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/prodbin-both-nt.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 3f068646d80c2022d44e2b134c176ee0988cb69e373cb2079071229e809bcefb --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 09:24:46,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 09:24:46,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 09:24:46,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 09:24:46,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 09:24:46,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 09:24:46,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 09:24:46,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 09:24:46,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 09:24:46,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 09:24:46,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 09:24:46,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 09:24:46,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 09:24:46,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 09:24:46,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 09:24:46,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 09:24:46,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 09:24:46,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 09:24:46,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 09:24:46,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 09:24:46,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 09:24:46,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 09:24:46,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 09:24:46,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 09:24:46,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 09:24:46,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 09:24:46,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 09:24:46,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 09:24:46,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 09:24:46,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 09:24:46,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 09:24:46,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 09:24:46,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 09:24:46,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 09:24:46,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 09:24:46,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 09:24:46,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 09:24:46,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 09:24:46,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 09:24:46,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 09:24:46,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 09:24:46,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 09:24:46,679 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 09:24:46,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 09:24:46,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 09:24:46,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 09:24:46,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 09:24:46,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 09:24:46,681 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 09:24:46,681 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 09:24:46,681 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 09:24:46,681 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 09:24:46,682 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 09:24:46,682 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 09:24:46,682 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 09:24:46,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 09:24:46,682 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 09:24:46,682 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 09:24:46,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 09:24:46,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 09:24:46,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 09:24:46,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 09:24:46,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 09:24:46,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 09:24:46,683 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 09:24:46,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 09:24:46,684 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 09:24:46,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 09:24:46,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 09:24:46,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 09:24:46,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 09:24:46,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 09:24:46,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 09:24:46,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 09:24:46,686 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 09:24:46,686 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f068646d80c2022d44e2b134c176ee0988cb69e373cb2079071229e809bcefb [2021-12-16 09:24:46,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 09:24:46,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 09:24:46,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 09:24:46,894 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 09:24:46,894 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 09:24:46,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/prodbin-both-nt.c [2021-12-16 09:24:46,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59653545c/097c897a46ce4c49aeab2849e7ba9570/FLAG1fa139454 [2021-12-16 09:24:47,215 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 09:24:47,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/prodbin-both-nt.c [2021-12-16 09:24:47,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59653545c/097c897a46ce4c49aeab2849e7ba9570/FLAG1fa139454 [2021-12-16 09:24:47,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59653545c/097c897a46ce4c49aeab2849e7ba9570 [2021-12-16 09:24:47,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 09:24:47,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 09:24:47,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 09:24:47,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 09:24:47,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 09:24:47,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:24:47" (1/1) ... [2021-12-16 09:24:47,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5493392c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:24:47, skipping insertion in model container [2021-12-16 09:24:47,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:24:47" (1/1) ... [2021-12-16 09:24:47,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 09:24:47,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 09:24:47,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:24:47,801 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 09:24:47,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:24:47,816 INFO L208 MainTranslator]: Completed translation [2021-12-16 09:24:47,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:24:47 WrapperNode [2021-12-16 09:24:47,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 09:24:47,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 09:24:47,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 09:24:47,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 09:24:47,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:24:47" (1/1) ... [2021-12-16 09:24:47,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:24:47" (1/1) ... [2021-12-16 09:24:47,839 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2021-12-16 09:24:47,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 09:24:47,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 09:24:47,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 09:24:47,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 09:24:47,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:24:47" (1/1) ... [2021-12-16 09:24:47,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:24:47" (1/1) ... [2021-12-16 09:24:47,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:24:47" (1/1) ... [2021-12-16 09:24:47,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:24:47" (1/1) ... [2021-12-16 09:24:47,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:24:47" (1/1) ... [2021-12-16 09:24:47,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:24:47" (1/1) ... [2021-12-16 09:24:47,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:24:47" (1/1) ... [2021-12-16 09:24:47,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 09:24:47,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 09:24:47,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 09:24:47,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 09:24:47,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:24:47" (1/1) ... [2021-12-16 09:24:47,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:47,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:47,902 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) [2021-12-16 09:24:47,931 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 [2021-12-16 09:24:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 09:24:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 09:24:47,981 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 09:24:47,982 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 09:24:48,061 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 09:24:48,066 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 09:24:48,066 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 09:24:48,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:24:48 BoogieIcfgContainer [2021-12-16 09:24:48,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 09:24:48,069 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 09:24:48,069 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 09:24:48,071 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 09:24:48,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:24:48,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 09:24:47" (1/3) ... [2021-12-16 09:24:48,075 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@479fe230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:24:48, skipping insertion in model container [2021-12-16 09:24:48,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:24:48,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:24:47" (2/3) ... [2021-12-16 09:24:48,076 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@479fe230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:24:48, skipping insertion in model container [2021-12-16 09:24:48,076 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:24:48,076 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:24:48" (3/3) ... [2021-12-16 09:24:48,077 INFO L388 chiAutomizerObserver]: Analyzing ICFG prodbin-both-nt.c [2021-12-16 09:24:48,103 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 09:24:48,104 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 09:24:48,104 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 09:24:48,104 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 09:24:48,104 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 09:24:48,104 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 09:24:48,104 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 09:24:48,104 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 09:24:48,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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) [2021-12-16 09:24:48,122 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 09:24:48,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:24:48,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:24:48,127 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-16 09:24:48,127 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 09:24:48,127 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 09:24:48,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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) [2021-12-16 09:24:48,131 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 09:24:48,131 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:24:48,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:24:48,132 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-16 09:24:48,132 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 09:24:48,136 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L28true assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 12#L36-2true [2021-12-16 09:24:48,136 INFO L793 eck$LassoCheckResult]: Loop: 12#L36-2true assume !false; 7#L38true assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 4#L41true assume 1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~z~0#1 := main_~z~0#1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1; 11#L41-2true main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 12#L36-2true [2021-12-16 09:24:48,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:48,140 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-16 09:24:48,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:48,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033517300] [2021-12-16 09:24:48,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:48,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:48,196 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:48,207 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:48,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:48,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1421130, now seen corresponding path program 1 times [2021-12-16 09:24:48,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:48,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958437252] [2021-12-16 09:24:48,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:48,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:48,232 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:24:48,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1158515968] [2021-12-16 09:24:48,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:48,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:24:48,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:48,272 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) [2021-12-16 09:24:48,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 09:24:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:48,308 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:48,320 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:48,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:48,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030893, now seen corresponding path program 1 times [2021-12-16 09:24:48,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:48,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298507525] [2021-12-16 09:24:48,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:48,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:48,327 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:24:48,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [307683588] [2021-12-16 09:24:48,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:48,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:24:48,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:48,330 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) [2021-12-16 09:24:48,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 09:24:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:48,404 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:48,414 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:48,555 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:24:48,555 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:24:48,556 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:24:48,556 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:24:48,556 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 09:24:48,556 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:48,556 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:24:48,556 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:24:48,556 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration1_Loop [2021-12-16 09:24:48,556 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:24:48,556 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:24:48,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:48,677 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:24:48,678 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 09:24:48,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:48,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:48,681 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:24:48,691 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:24:48,691 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:48,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-16 09:24:48,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:48,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:48,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:48,731 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:24:48,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-16 09:24:48,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 09:24:48,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:48,770 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 09:24:48,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:48,788 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:24:48,788 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:24:48,788 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:24:48,788 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:24:48,788 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:24:48,788 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:48,788 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:24:48,788 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:24:48,789 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration1_Loop [2021-12-16 09:24:48,789 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:24:48,789 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:24:48,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:48,895 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:24:48,898 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:24:48,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:48,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:48,908 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) [2021-12-16 09:24:48,909 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 [2021-12-16 09:24:48,910 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 [2021-12-16 09:24:48,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:48,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:48,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:48,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:48,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:24:48,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:24:48,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:48,937 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:24:48,942 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-16 09:24:48,942 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-16 09:24:48,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:48,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:48,945 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) [2021-12-16 09:24:48,947 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 [2021-12-16 09:24:48,947 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:24:48,950 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 09:24:48,951 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:24:48,951 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 4*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2021-12-16 09:24:48,966 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 [2021-12-16 09:24:48,968 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-16 09:24:48,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:24:49,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:24:49,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:24:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:24:49,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 09:24:49,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:24:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:24:49,091 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 09:24:49,092 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-12-16 09:24:49,129 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 42 transitions. Complement of second has 6 states. [2021-12-16 09:24:49,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 09:24:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-12-16 09:24:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-12-16 09:24:49,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 4 letters. [2021-12-16 09:24:49,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:24:49,136 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 09:24:49,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:24:49,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:24:49,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:24:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:24:49,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 09:24:49,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:24:49,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:24:49,183 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 09:24:49,184 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-12-16 09:24:49,203 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 44 transitions. Complement of second has 8 states. [2021-12-16 09:24:49,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 09:24:49,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-12-16 09:24:49,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-12-16 09:24:49,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 3 letters. Loop has 4 letters. [2021-12-16 09:24:49,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:24:49,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 7 letters. Loop has 4 letters. [2021-12-16 09:24:49,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:24:49,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 3 letters. Loop has 8 letters. [2021-12-16 09:24:49,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:24:49,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 44 transitions. [2021-12-16 09:24:49,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 09:24:49,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 15 states and 18 transitions. [2021-12-16 09:24:49,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-12-16 09:24:49,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-16 09:24:49,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2021-12-16 09:24:49,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:24:49,211 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-12-16 09:24:49,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2021-12-16 09:24:49,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-12-16 09:24:49,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 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) [2021-12-16 09:24:49,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-12-16 09:24:49,227 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-12-16 09:24:49,227 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-12-16 09:24:49,227 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 09:24:49,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-12-16 09:24:49,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 09:24:49,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:24:49,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:24:49,228 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-16 09:24:49,228 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 09:24:49,228 INFO L791 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 165#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 166#L36-2 assume !false; 172#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 159#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 160#L41-2 [2021-12-16 09:24:49,228 INFO L793 eck$LassoCheckResult]: Loop: 160#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 170#L36-2 assume !false; 167#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 168#L41 assume 1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~z~0#1 := main_~z~0#1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1; 160#L41-2 [2021-12-16 09:24:49,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:49,229 INFO L85 PathProgramCache]: Analyzing trace with hash 889575313, now seen corresponding path program 1 times [2021-12-16 09:24:49,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:49,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778089963] [2021-12-16 09:24:49,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:49,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:49,232 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:24:49,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1379551226] [2021-12-16 09:24:49,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:49,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:24:49,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:49,234 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:24:49,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-16 09:24:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:49,251 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:49,255 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:49,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:49,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1773720, now seen corresponding path program 2 times [2021-12-16 09:24:49,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:49,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361254404] [2021-12-16 09:24:49,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:49,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:49,262 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:24:49,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875375061] [2021-12-16 09:24:49,263 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 09:24:49,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:24:49,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:49,264 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:24:49,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-16 09:24:49,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-16 09:24:49,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-16 09:24:49,282 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:49,286 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:49,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:49,286 INFO L85 PathProgramCache]: Analyzing trace with hash 139108392, now seen corresponding path program 1 times [2021-12-16 09:24:49,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:49,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273505249] [2021-12-16 09:24:49,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:49,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:49,290 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:24:49,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1710848905] [2021-12-16 09:24:49,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:49,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:24:49,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:49,304 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:24:49,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-16 09:24:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:49,323 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:49,329 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:49,376 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:24:49,376 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:24:49,376 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:24:49,376 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:24:49,377 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 09:24:49,377 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:49,377 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:24:49,377 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:24:49,377 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration2_Loop [2021-12-16 09:24:49,377 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:24:49,377 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:24:49,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:49,460 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:24:49,461 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 09:24:49,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:49,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:49,462 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) [2021-12-16 09:24:49,463 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 [2021-12-16 09:24:49,464 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:24:49,464 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:49,509 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 [2021-12-16 09:24:49,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:49,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:49,510 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) [2021-12-16 09:24:49,518 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 [2021-12-16 09:24:49,521 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 09:24:49,521 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:49,553 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 09:24:49,568 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 [2021-12-16 09:24:49,571 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 [2021-12-16 09:24:49,571 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:24:49,572 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:24:49,572 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:24:49,572 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:24:49,572 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:24:49,572 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:49,572 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:24:49,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:24:49,572 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration2_Loop [2021-12-16 09:24:49,572 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:24:49,572 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:24:49,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:49,655 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:24:49,656 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:24:49,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:49,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:49,657 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) [2021-12-16 09:24:49,664 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 [2021-12-16 09:24:49,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:49,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:49,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:49,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:49,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:24:49,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:24:49,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:49,676 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 [2021-12-16 09:24:49,691 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:24:49,694 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-16 09:24:49,694 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-16 09:24:49,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:49,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:49,707 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) [2021-12-16 09:24:49,708 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 [2021-12-16 09:24:49,710 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:24:49,710 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 09:24:49,710 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:24:49,710 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2021-12-16 09:24:49,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:49,726 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-16 09:24:49,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:24:49,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:24:49,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:24:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:24:49,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 09:24:49,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:24:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:24:49,908 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 09:24:49,908 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-12-16 09:24:49,927 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 5 states. [2021-12-16 09:24:49,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 09:24:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-12-16 09:24:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-12-16 09:24:49,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-16 09:24:49,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:24:49,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-16 09:24:49,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:24:49,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 6 letters. Loop has 8 letters. [2021-12-16 09:24:49,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:24:49,930 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2021-12-16 09:24:49,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 09:24:49,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 23 states and 28 transitions. [2021-12-16 09:24:49,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-16 09:24:49,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-16 09:24:49,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-12-16 09:24:49,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:24:49,933 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-12-16 09:24:49,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-12-16 09:24:49,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-12-16 09:24:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 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) [2021-12-16 09:24:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-12-16 09:24:49,939 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-16 09:24:49,940 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-16 09:24:49,940 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 09:24:49,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-12-16 09:24:49,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 09:24:49,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:24:49,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:24:49,942 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2021-12-16 09:24:49,942 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 09:24:49,943 INFO L791 eck$LassoCheckResult]: Stem: 252#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 253#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 254#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 255#L36-2 assume !false; 265#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 264#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 263#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 261#L36-2 assume !false; 256#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 248#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 249#L41-2 [2021-12-16 09:24:49,943 INFO L793 eck$LassoCheckResult]: Loop: 249#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 258#L36-2 assume !false; 269#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 268#L41 assume 1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~z~0#1 := main_~z~0#1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1; 249#L41-2 [2021-12-16 09:24:49,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:49,943 INFO L85 PathProgramCache]: Analyzing trace with hash 139108394, now seen corresponding path program 1 times [2021-12-16 09:24:49,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:49,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915869096] [2021-12-16 09:24:49,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:49,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:49,953 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:24:49,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1523539687] [2021-12-16 09:24:49,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:49,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:24:49,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:49,954 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:24:49,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-16 09:24:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:49,982 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:49,989 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:49,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:49,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1773720, now seen corresponding path program 3 times [2021-12-16 09:24:49,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:49,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426600842] [2021-12-16 09:24:49,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:49,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:49,993 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:24:49,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2084481966] [2021-12-16 09:24:49,993 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-16 09:24:49,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:24:49,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:49,995 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:24:49,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-16 09:24:50,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-12-16 09:24:50,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-16 09:24:50,014 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:50,018 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:50,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:50,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1537772479, now seen corresponding path program 2 times [2021-12-16 09:24:50,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:50,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320295648] [2021-12-16 09:24:50,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:50,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:50,021 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:24:50,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2122444854] [2021-12-16 09:24:50,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 09:24:50,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:24:50,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:50,026 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:24:50,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-16 09:24:50,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-16 09:24:50,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-16 09:24:50,047 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:50,053 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:50,098 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:24:50,098 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:24:50,098 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:24:50,098 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:24:50,098 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 09:24:50,098 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:50,098 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:24:50,098 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:24:50,098 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration3_Loop [2021-12-16 09:24:50,098 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:24:50,098 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:24:50,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:50,177 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:24:50,177 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 09:24:50,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:50,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:50,187 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) [2021-12-16 09:24:50,187 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 [2021-12-16 09:24:50,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:24:50,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:50,226 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 [2021-12-16 09:24:50,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:50,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:50,227 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) [2021-12-16 09:24:50,228 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 [2021-12-16 09:24:50,229 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 09:24:50,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:50,259 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 09:24:50,275 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 [2021-12-16 09:24:50,275 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:24:50,275 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:24:50,275 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:24:50,275 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:24:50,275 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:24:50,275 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:50,275 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:24:50,275 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:24:50,275 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration3_Loop [2021-12-16 09:24:50,275 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:24:50,275 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:24:50,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:50,376 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:24:50,376 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:24:50,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:50,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:50,384 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) [2021-12-16 09:24:50,384 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 [2021-12-16 09:24:50,425 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 [2021-12-16 09:24:50,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:50,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:50,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:50,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:50,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:24:50,433 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 [2021-12-16 09:24:50,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:24:50,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:50,459 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:24:50,461 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-16 09:24:50,461 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-16 09:24:50,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:50,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:50,462 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) [2021-12-16 09:24:50,463 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 [2021-12-16 09:24:50,464 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:24:50,464 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 09:24:50,464 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:24:50,464 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2021-12-16 09:24:50,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-16 09:24:50,480 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-16 09:24:50,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:24:50,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:24:50,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:24:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:24:50,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 09:24:50,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:24:50,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:24:50,591 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 09:24:50,592 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-12-16 09:24:50,606 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 37 transitions. Complement of second has 5 states. [2021-12-16 09:24:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 09:24:50,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-12-16 09:24:50,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-12-16 09:24:50,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-16 09:24:50,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:24:50,608 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 09:24:50,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:24:50,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:24:50,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:24:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:24:50,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 09:24:50,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:24:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:24:50,729 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 09:24:50,729 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-12-16 09:24:50,742 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 37 transitions. Complement of second has 5 states. [2021-12-16 09:24:50,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 09:24:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-12-16 09:24:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-12-16 09:24:50,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-16 09:24:50,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:24:50,743 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 09:24:50,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:24:50,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:24:50,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:24:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:24:50,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 09:24:50,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:24:50,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:24:50,854 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 09:24:50,854 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-12-16 09:24:50,867 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 42 transitions. Complement of second has 6 states. [2021-12-16 09:24:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 09:24:50,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-12-16 09:24:50,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2021-12-16 09:24:50,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-16 09:24:50,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:24:50,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 14 letters. Loop has 4 letters. [2021-12-16 09:24:50,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:24:50,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 8 letters. [2021-12-16 09:24:50,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:24:50,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 42 transitions. [2021-12-16 09:24:50,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-16 09:24:50,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 26 states and 32 transitions. [2021-12-16 09:24:50,870 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-16 09:24:50,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-16 09:24:50,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2021-12-16 09:24:50,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:24:50,870 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-12-16 09:24:50,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2021-12-16 09:24:50,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 16. [2021-12-16 09:24:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 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) [2021-12-16 09:24:50,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-12-16 09:24:50,872 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-12-16 09:24:50,872 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-12-16 09:24:50,872 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-16 09:24:50,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2021-12-16 09:24:50,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-16 09:24:50,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:24:50,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:24:50,872 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-16 09:24:50,872 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 09:24:50,872 INFO L791 eck$LassoCheckResult]: Stem: 527#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 528#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 529#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 530#L36-2 assume !false; 531#L38 [2021-12-16 09:24:50,872 INFO L793 eck$LassoCheckResult]: Loop: 531#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 523#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 524#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 535#L36-2 assume !false; 531#L38 [2021-12-16 09:24:50,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:50,872 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2021-12-16 09:24:50,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:50,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584867213] [2021-12-16 09:24:50,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:50,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:50,875 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:50,877 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:50,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:50,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1575002, now seen corresponding path program 1 times [2021-12-16 09:24:50,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:50,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012151439] [2021-12-16 09:24:50,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:50,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:50,879 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:24:50,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [481094688] [2021-12-16 09:24:50,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:50,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:24:50,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:50,880 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:24:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:50,918 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:50,921 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:50,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:50,922 INFO L85 PathProgramCache]: Analyzing trace with hash 183384773, now seen corresponding path program 2 times [2021-12-16 09:24:50,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:50,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43898130] [2021-12-16 09:24:50,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:50,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:50,924 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:24:50,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [517607943] [2021-12-16 09:24:50,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 09:24:50,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:24:50,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:50,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-12-16 09:24:50,925 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:24:50,976 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-16 09:24:50,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-16 09:24:50,976 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:50,980 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:50,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-12-16 09:24:51,065 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:24:51,065 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:24:51,065 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:24:51,065 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:24:51,065 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 09:24:51,065 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:51,065 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:24:51,065 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:24:51,065 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration4_Lasso [2021-12-16 09:24:51,065 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:24:51,065 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:24:51,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:51,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:51,106 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 [2021-12-16 09:24:51,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:51,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:51,279 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:24:51,279 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 09:24:51,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:51,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:51,290 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) [2021-12-16 09:24:51,304 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 [2021-12-16 09:24:51,305 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:24:51,305 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:51,326 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:24:51,326 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:24:51,342 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 [2021-12-16 09:24:51,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:51,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:51,343 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) [2021-12-16 09:24:51,344 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 [2021-12-16 09:24:51,346 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:24:51,346 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:51,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-16 09:24:51,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:51,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:51,371 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) [2021-12-16 09:24:51,372 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 [2021-12-16 09:24:51,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 09:24:51,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:51,407 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 09:24:51,440 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 [2021-12-16 09:24:51,440 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:24:51,440 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:24:51,440 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:24:51,440 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:24:51,441 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:24:51,441 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:51,441 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:24:51,441 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:24:51,441 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration4_Lasso [2021-12-16 09:24:51,441 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:24:51,441 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:24:51,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:51,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:51,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:51,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:51,659 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:24:51,660 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:24:51,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:51,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:51,661 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) [2021-12-16 09:24:51,662 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 [2021-12-16 09:24:51,663 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 [2021-12-16 09:24:51,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:51,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:51,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:51,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:51,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:24:51,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:24:51,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:51,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:51,705 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 [2021-12-16 09:24:51,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:51,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:51,706 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) [2021-12-16 09:24:51,707 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 [2021-12-16 09:24:51,710 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 [2021-12-16 09:24:51,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:51,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:51,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:51,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:51,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:24:51,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:24:51,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:51,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:51,750 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 [2021-12-16 09:24:51,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:51,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:51,751 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) [2021-12-16 09:24:51,752 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 [2021-12-16 09:24:51,753 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 [2021-12-16 09:24:51,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:51,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:51,758 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:51,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:24:51,773 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-16 09:24:51,773 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-16 09:24:51,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:51,810 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 [2021-12-16 09:24:51,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:51,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:51,811 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) [2021-12-16 09:24:51,811 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 [2021-12-16 09:24:51,813 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 [2021-12-16 09:24:51,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:51,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:51,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:51,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:51,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:24:51,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:24:51,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:51,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:51,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:51,851 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-16 09:24:51,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:51,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:51,852 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) [2021-12-16 09:24:51,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:24:51,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:51,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:51,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:51,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:51,873 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:51,873 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-16 09:24:51,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:51,874 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 [2021-12-16 09:24:51,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:51,897 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 [2021-12-16 09:24:51,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:51,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:51,898 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) [2021-12-16 09:24:51,899 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 [2021-12-16 09:24:51,900 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 [2021-12-16 09:24:51,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:51,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:51,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:51,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:51,905 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:51,906 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-16 09:24:51,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:51,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:51,935 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 [2021-12-16 09:24:51,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:51,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:51,937 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) [2021-12-16 09:24:51,939 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 [2021-12-16 09:24:51,940 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 [2021-12-16 09:24:51,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:51,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:51,946 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:51,946 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:51,985 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-12-16 09:24:51,985 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-16 09:24:52,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,077 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 [2021-12-16 09:24:52,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,078 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) [2021-12-16 09:24:52,079 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 [2021-12-16 09:24:52,082 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 [2021-12-16 09:24:52,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:52,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:52,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:52,087 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:52,088 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-16 09:24:52,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:52,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,116 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 [2021-12-16 09:24:52,116 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-16 09:24:52,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,117 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) [2021-12-16 09:24:52,118 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 [2021-12-16 09:24:52,119 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 [2021-12-16 09:24:52,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:52,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:52,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:52,125 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:52,125 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:52,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:52,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:52,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,145 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) [2021-12-16 09:24:52,146 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 [2021-12-16 09:24:52,147 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 [2021-12-16 09:24:52,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:52,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:52,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:52,152 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:52,153 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:52,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:52,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,171 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 [2021-12-16 09:24:52,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,179 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) [2021-12-16 09:24:52,179 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 [2021-12-16 09:24:52,181 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 [2021-12-16 09:24:52,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:52,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,187 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:52,187 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:52,208 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-12-16 09:24:52,208 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-16 09:24:52,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,264 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 [2021-12-16 09:24:52,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,266 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) [2021-12-16 09:24:52,267 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 [2021-12-16 09:24:52,268 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 [2021-12-16 09:24:52,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:52,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:52,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:52,274 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:52,274 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:52,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:52,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-16 09:24:52,291 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-16 09:24:52,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,320 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) [2021-12-16 09:24:52,330 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 [2021-12-16 09:24:52,330 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 [2021-12-16 09:24:52,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:52,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:52,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:52,337 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:52,337 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-16 09:24:52,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:52,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,356 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 [2021-12-16 09:24:52,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,357 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) [2021-12-16 09:24:52,359 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 [2021-12-16 09:24:52,360 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 [2021-12-16 09:24:52,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:52,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:52,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:52,365 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:52,366 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-16 09:24:52,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:52,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,382 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 [2021-12-16 09:24:52,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,383 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) [2021-12-16 09:24:52,384 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 [2021-12-16 09:24:52,385 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 [2021-12-16 09:24:52,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:52,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,392 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:52,392 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:52,432 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-12-16 09:24:52,432 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-12-16 09:24:52,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:52,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,500 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) [2021-12-16 09:24:52,520 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 [2021-12-16 09:24:52,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:52,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:52,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:52,525 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:52,526 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-16 09:24:52,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:52,530 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 [2021-12-16 09:24:52,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:52,574 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-16 09:24:52,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,594 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) [2021-12-16 09:24:52,595 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 [2021-12-16 09:24:52,596 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 [2021-12-16 09:24:52,601 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:52,601 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:52,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:52,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:52,601 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:52,602 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-16 09:24:52,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:52,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:52,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,634 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) [2021-12-16 09:24:52,640 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 [2021-12-16 09:24:52,646 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:52,646 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:52,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:52,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:52,646 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:52,647 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-16 09:24:52,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:52,650 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 [2021-12-16 09:24:52,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:52,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,675 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) [2021-12-16 09:24:52,676 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 [2021-12-16 09:24:52,677 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 [2021-12-16 09:24:52,682 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:52,683 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:52,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,683 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:52,683 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:52,700 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-12-16 09:24:52,700 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-16 09:24:52,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,753 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 [2021-12-16 09:24:52,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,755 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) [2021-12-16 09:24:52,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:24:52,773 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:52,773 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:52,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:52,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:52,773 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:52,774 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-16 09:24:52,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:52,777 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 [2021-12-16 09:24:52,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:52,804 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-16 09:24:52,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,805 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) [2021-12-16 09:24:52,806 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 [2021-12-16 09:24:52,807 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 [2021-12-16 09:24:52,813 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:52,813 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-16 09:24:52,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:52,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:52,813 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:52,814 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:52,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:52,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,831 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 [2021-12-16 09:24:52,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,832 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) [2021-12-16 09:24:52,833 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 [2021-12-16 09:24:52,834 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 [2021-12-16 09:24:52,840 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:52,840 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-16 09:24:52,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:52,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:52,840 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:52,840 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:52,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:52,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:52,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,866 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) [2021-12-16 09:24:52,867 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 [2021-12-16 09:24:52,868 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 [2021-12-16 09:24:52,874 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:52,874 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-16 09:24:52,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,874 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:52,874 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:52,898 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-12-16 09:24:52,898 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-16 09:24:52,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:52,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:52,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:52,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:52,988 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) [2021-12-16 09:24:52,989 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 [2021-12-16 09:24:52,990 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 [2021-12-16 09:24:52,995 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:52,995 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-16 09:24:52,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:52,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:52,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:52,996 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:52,996 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:52,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:53,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:53,029 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 [2021-12-16 09:24:53,030 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-16 09:24:53,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:53,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:53,034 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) [2021-12-16 09:24:53,034 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 [2021-12-16 09:24:53,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:24:53,041 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:53,041 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:53,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:53,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:53,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:53,041 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:53,042 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-16 09:24:53,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:53,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:53,076 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 [2021-12-16 09:24:53,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:53,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:53,077 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) [2021-12-16 09:24:53,078 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 [2021-12-16 09:24:53,079 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 [2021-12-16 09:24:53,085 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:53,085 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:53,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:53,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:53,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:53,085 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:53,086 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-16 09:24:53,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:53,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:53,118 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 [2021-12-16 09:24:53,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:53,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:53,119 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) [2021-12-16 09:24:53,119 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 [2021-12-16 09:24:53,121 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 [2021-12-16 09:24:53,127 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:53,127 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:53,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:53,127 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:53,127 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:53,158 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-12-16 09:24:53,158 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-12-16 09:24:53,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:53,546 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 [2021-12-16 09:24:53,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:53,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:53,548 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) [2021-12-16 09:24:53,548 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 [2021-12-16 09:24:53,549 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 [2021-12-16 09:24:53,555 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:53,555 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:53,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:53,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:53,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:53,556 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:53,556 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-16 09:24:53,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:53,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:53,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:53,605 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-16 09:24:53,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:53,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:53,606 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2021-12-16 09:24:53,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-16 09:24:53,608 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 [2021-12-16 09:24:53,613 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:53,613 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:53,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:53,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:53,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:53,613 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:53,614 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:53,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:53,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:53,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:53,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:53,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:53,645 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2021-12-16 09:24:53,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-16 09:24:53,647 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 [2021-12-16 09:24:53,653 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:53,653 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:53,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:53,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:53,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:53,653 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:53,654 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:53,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:53,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:53,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:53,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:53,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:53,685 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2021-12-16 09:24:53,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-16 09:24:53,687 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 [2021-12-16 09:24:53,692 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:53,692 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:53,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:53,692 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:53,692 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:53,712 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-12-16 09:24:53,712 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-16 09:24:53,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:53,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:53,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:53,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:53,765 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) [2021-12-16 09:24:53,766 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 [2021-12-16 09:24:53,767 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 [2021-12-16 09:24:53,772 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:53,773 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:53,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:53,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:53,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:53,773 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:53,773 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:53,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:53,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:53,804 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 [2021-12-16 09:24:53,804 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-16 09:24:53,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:53,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:53,805 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) [2021-12-16 09:24:53,805 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 [2021-12-16 09:24:53,807 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 [2021-12-16 09:24:53,812 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:53,812 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:53,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:53,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:53,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:53,813 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-16 09:24:53,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:24:53,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:53,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:53,837 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 [2021-12-16 09:24:53,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:53,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:53,838 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) [2021-12-16 09:24:53,839 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 [2021-12-16 09:24:53,840 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 [2021-12-16 09:24:53,847 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:53,847 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:53,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:53,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:53,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:53,847 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-16 09:24:53,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:24:53,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:53,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:53,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:53,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:53,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:53,879 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) [2021-12-16 09:24:53,891 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 [2021-12-16 09:24:53,892 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 [2021-12-16 09:24:53,899 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:53,899 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:53,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:53,899 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:53,899 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-16 09:24:53,936 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-12-16 09:24:53,936 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-16 09:24:54,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:54,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:54,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:54,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:54,032 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) [2021-12-16 09:24:54,032 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 [2021-12-16 09:24:54,034 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 [2021-12-16 09:24:54,039 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:54,039 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:54,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:54,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:54,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:54,039 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-16 09:24:54,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:24:54,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:54,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:54,091 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 [2021-12-16 09:24:54,091 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-12-16 09:24:54,092 INFO L791 eck$LassoCheckResult]: Stem: 527#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 528#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 529#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 530#L36-2 assume !false; 531#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 523#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 524#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 535#L36-2 assume !false; 531#L38 [2021-12-16 09:24:54,092 INFO L793 eck$LassoCheckResult]: Loop: 531#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 523#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 524#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 535#L36-2 assume !false; 531#L38 [2021-12-16 09:24:54,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:54,092 INFO L85 PathProgramCache]: Analyzing trace with hash 183384773, now seen corresponding path program 3 times [2021-12-16 09:24:54,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:54,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831065749] [2021-12-16 09:24:54,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:54,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:54,094 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:24:54,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1488768122] [2021-12-16 09:24:54,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-16 09:24:54,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:24:54,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:54,128 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:24:54,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-12-16 09:24:54,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-16 09:24:54,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-16 09:24:54,143 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:54,147 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:54,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:54,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1575002, now seen corresponding path program 2 times [2021-12-16 09:24:54,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:54,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522971549] [2021-12-16 09:24:54,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:54,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:54,149 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:24:54,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1682389144] [2021-12-16 09:24:54,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 09:24:54,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:24:54,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:54,150 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:24:54,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2021-12-16 09:24:54,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-16 09:24:54,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-16 09:24:54,189 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:54,192 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:54,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:24:54,192 INFO L85 PathProgramCache]: Analyzing trace with hash 539181342, now seen corresponding path program 4 times [2021-12-16 09:24:54,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:24:54,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598614466] [2021-12-16 09:24:54,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:24:54,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:24:54,194 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-16 09:24:54,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [782656315] [2021-12-16 09:24:54,194 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-16 09:24:54,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:24:54,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:54,199 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:24:54,216 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-16 09:24:54,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-16 09:24:54,216 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:24:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:24:54,221 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:24:54,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2021-12-16 09:24:54,294 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:24:54,294 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:24:54,294 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:24:54,294 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:24:54,294 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 09:24:54,294 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:54,294 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:24:54,294 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:24:54,294 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration4_Lasso [2021-12-16 09:24:54,294 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:24:54,295 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:24:54,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:54,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:54,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:54,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:54,521 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:24:54,521 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 09:24:54,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:54,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:54,527 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) [2021-12-16 09:24:54,528 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 [2021-12-16 09:24:54,529 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:24:54,529 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:54,534 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:24:54,535 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:24:54,549 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 [2021-12-16 09:24:54,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:54,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:54,550 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) [2021-12-16 09:24:54,551 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 [2021-12-16 09:24:54,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:24:54,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:54,559 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:24:54,559 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:24:54,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-16 09:24:54,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:54,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:54,574 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) [2021-12-16 09:24:54,576 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 [2021-12-16 09:24:54,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:24:54,577 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:54,583 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:24:54,583 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:24:54,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-16 09:24:54,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:54,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:54,599 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2021-12-16 09:24:54,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-16 09:24:54,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:24:54,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:54,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:54,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:54,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:54,624 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2021-12-16 09:24:54,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-16 09:24:54,626 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 09:24:54,626 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:24:54,639 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 09:24:54,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-16 09:24:54,654 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:24:54,654 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:24:54,654 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:24:54,654 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:24:54,654 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:24:54,654 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:54,654 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:24:54,654 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:24:54,654 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration4_Lasso [2021-12-16 09:24:54,654 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:24:54,654 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:24:54,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:54,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:54,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:54,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:24:54,870 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:24:54,870 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:24:54,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:54,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:54,871 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2021-12-16 09:24:54,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-16 09:24:54,873 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 [2021-12-16 09:24:54,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:54,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:54,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:54,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:54,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:24:54,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:24:54,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:54,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:54,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:54,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:54,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:54,902 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2021-12-16 09:24:54,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-16 09:24:54,920 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 [2021-12-16 09:24:54,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:54,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:54,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:54,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:54,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:24:54,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:24:54,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:54,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:54,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:54,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:54,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:54,953 INFO L229 MonitoredProcess]: Starting monitored process 73 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) [2021-12-16 09:24:54,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-16 09:24:54,955 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 [2021-12-16 09:24:54,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:54,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:54,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:54,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:54,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:24:54,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:24:54,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:54,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:54,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:54,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:54,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:54,991 INFO L229 MonitoredProcess]: Starting monitored process 74 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) [2021-12-16 09:24:54,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-16 09:24:54,993 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 [2021-12-16 09:24:54,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:54,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:54,998 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:54,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:24:55,009 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-16 09:24:55,009 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-16 09:24:55,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,045 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-16 09:24:55,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,046 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2021-12-16 09:24:55,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-16 09:24:55,071 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 [2021-12-16 09:24:55,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:55,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,077 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:55,077 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-16 09:24:55,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,109 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2021-12-16 09:24:55,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-16 09:24:55,111 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 [2021-12-16 09:24:55,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:55,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,117 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:55,117 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-16 09:24:55,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,148 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2021-12-16 09:24:55,159 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 [2021-12-16 09:24:55,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-16 09:24:55,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:55,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,165 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:55,165 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-16 09:24:55,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,196 INFO L229 MonitoredProcess]: Starting monitored process 78 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) [2021-12-16 09:24:55,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-16 09:24:55,198 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 [2021-12-16 09:24:55,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:55,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,204 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:55,204 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:55,218 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-12-16 09:24:55,218 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-16 09:24:55,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,268 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-16 09:24:55,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,269 INFO L229 MonitoredProcess]: Starting monitored process 79 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) [2021-12-16 09:24:55,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-16 09:24:55,271 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 [2021-12-16 09:24:55,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:55,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,277 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:55,277 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:55,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,308 INFO L229 MonitoredProcess]: Starting monitored process 80 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) [2021-12-16 09:24:55,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-16 09:24:55,310 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 [2021-12-16 09:24:55,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:55,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,316 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:55,316 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:55,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-16 09:24:55,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,339 INFO L229 MonitoredProcess]: Starting monitored process 81 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) [2021-12-16 09:24:55,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-16 09:24:55,341 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 [2021-12-16 09:24:55,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:55,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,347 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:55,347 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:55,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,388 INFO L229 MonitoredProcess]: Starting monitored process 82 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) [2021-12-16 09:24:55,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-16 09:24:55,390 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 [2021-12-16 09:24:55,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:55,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,396 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:55,396 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:55,413 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-12-16 09:24:55,413 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-16 09:24:55,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,472 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-16 09:24:55,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,473 INFO L229 MonitoredProcess]: Starting monitored process 83 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) [2021-12-16 09:24:55,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-16 09:24:55,475 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 [2021-12-16 09:24:55,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:55,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,481 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:55,482 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-16 09:24:55,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,513 INFO L229 MonitoredProcess]: Starting monitored process 84 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) [2021-12-16 09:24:55,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-16 09:24:55,515 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 [2021-12-16 09:24:55,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:55,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,521 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:55,521 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-16 09:24:55,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,545 INFO L229 MonitoredProcess]: Starting monitored process 85 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) [2021-12-16 09:24:55,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-16 09:24:55,548 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 [2021-12-16 09:24:55,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:55,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,554 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:55,554 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-16 09:24:55,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,571 INFO L229 MonitoredProcess]: Starting monitored process 86 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) [2021-12-16 09:24:55,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-16 09:24:55,574 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 [2021-12-16 09:24:55,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:24:55,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,580 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:55,580 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:55,602 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-12-16 09:24:55,603 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-12-16 09:24:55,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,668 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-16 09:24:55,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,669 INFO L229 MonitoredProcess]: Starting monitored process 87 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) [2021-12-16 09:24:55,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-12-16 09:24:55,672 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 [2021-12-16 09:24:55,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:55,678 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:55,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,678 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:55,678 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-16 09:24:55,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-12-16 09:24:55,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,699 INFO L229 MonitoredProcess]: Starting monitored process 88 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) [2021-12-16 09:24:55,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-16 09:24:55,701 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 [2021-12-16 09:24:55,706 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:55,706 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:55,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,707 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:55,707 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-16 09:24:55,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,724 INFO L229 MonitoredProcess]: Starting monitored process 89 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) [2021-12-16 09:24:55,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-16 09:24:55,725 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 [2021-12-16 09:24:55,731 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:55,731 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:55,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,731 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:55,731 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-16 09:24:55,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,748 INFO L229 MonitoredProcess]: Starting monitored process 90 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) [2021-12-16 09:24:55,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-16 09:24:55,750 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 [2021-12-16 09:24:55,756 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:55,756 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:55,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,756 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:55,756 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-16 09:24:55,772 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-12-16 09:24:55,772 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-16 09:24:55,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,823 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-16 09:24:55,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,825 INFO L229 MonitoredProcess]: Starting monitored process 91 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) [2021-12-16 09:24:55,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-16 09:24:55,826 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 [2021-12-16 09:24:55,833 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:55,833 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-16 09:24:55,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,833 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:55,834 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:55,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-12-16 09:24:55,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,852 INFO L229 MonitoredProcess]: Starting monitored process 92 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) [2021-12-16 09:24:55,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-16 09:24:55,854 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 [2021-12-16 09:24:55,860 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:55,860 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-16 09:24:55,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,860 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:55,861 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:55,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,912 INFO L229 MonitoredProcess]: Starting monitored process 93 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) [2021-12-16 09:24:55,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-16 09:24:55,914 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 [2021-12-16 09:24:55,920 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:55,920 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-16 09:24:55,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:55,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:55,920 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:55,920 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:55,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:55,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:55,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:55,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:55,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:55,951 INFO L229 MonitoredProcess]: Starting monitored process 94 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) [2021-12-16 09:24:55,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-16 09:24:55,954 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 [2021-12-16 09:24:55,961 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:55,961 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-16 09:24:55,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:55,961 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:55,961 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:55,990 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-12-16 09:24:55,991 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-16 09:24:56,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:56,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-12-16 09:24:56,094 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-16 09:24:56,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:56,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:56,095 INFO L229 MonitoredProcess]: Starting monitored process 95 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) [2021-12-16 09:24:56,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-16 09:24:56,097 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 [2021-12-16 09:24:56,103 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:56,103 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:56,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:56,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:56,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:56,104 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:56,104 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-16 09:24:56,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:56,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:56,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-12-16 09:24:56,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:56,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:56,131 INFO L229 MonitoredProcess]: Starting monitored process 96 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) [2021-12-16 09:24:56,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-16 09:24:56,133 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 [2021-12-16 09:24:56,139 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:56,139 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:56,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:56,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:56,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:56,139 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:56,140 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-16 09:24:56,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:56,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:56,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:56,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:56,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:56,158 INFO L229 MonitoredProcess]: Starting monitored process 97 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) [2021-12-16 09:24:56,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-16 09:24:56,160 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 [2021-12-16 09:24:56,166 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:56,166 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:56,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:56,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:56,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:56,166 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:56,167 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-16 09:24:56,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:56,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:56,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-12-16 09:24:56,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:56,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:56,186 INFO L229 MonitoredProcess]: Starting monitored process 98 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) [2021-12-16 09:24:56,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-16 09:24:56,189 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 [2021-12-16 09:24:56,195 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:56,195 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:56,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:56,195 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:56,195 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-16 09:24:56,242 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-12-16 09:24:56,242 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-12-16 09:24:56,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:56,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:56,569 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-16 09:24:56,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:56,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:56,570 INFO L229 MonitoredProcess]: Starting monitored process 99 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) [2021-12-16 09:24:56,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-16 09:24:56,572 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 [2021-12-16 09:24:56,577 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:56,577 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:56,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:56,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:56,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:56,577 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:56,583 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:56,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:56,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:56,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:56,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:56,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:56,609 INFO L229 MonitoredProcess]: Starting monitored process 100 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) [2021-12-16 09:24:56,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-16 09:24:56,611 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 [2021-12-16 09:24:56,616 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:56,616 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:56,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:56,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:56,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:56,616 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:56,617 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:56,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:56,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:56,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-12-16 09:24:56,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:56,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:56,643 INFO L229 MonitoredProcess]: Starting monitored process 101 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) [2021-12-16 09:24:56,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-16 09:24:56,645 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 [2021-12-16 09:24:56,650 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:56,650 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:56,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:56,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:56,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:56,650 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:56,651 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-16 09:24:56,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:56,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:56,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:56,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:56,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:56,681 INFO L229 MonitoredProcess]: Starting monitored process 102 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) [2021-12-16 09:24:56,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-16 09:24:56,682 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 [2021-12-16 09:24:56,688 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:56,688 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-16 09:24:56,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:56,688 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:56,688 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-16 09:24:56,707 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-12-16 09:24:56,707 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-16 09:24:56,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:56,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-12-16 09:24:56,761 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-16 09:24:56,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:56,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:56,762 INFO L229 MonitoredProcess]: Starting monitored process 103 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) [2021-12-16 09:24:56,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-16 09:24:56,765 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 [2021-12-16 09:24:56,770 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:56,770 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:56,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:56,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:56,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:56,771 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-16 09:24:56,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:24:56,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:56,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:56,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:56,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:56,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:56,789 INFO L229 MonitoredProcess]: Starting monitored process 104 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) [2021-12-16 09:24:56,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-16 09:24:56,791 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 [2021-12-16 09:24:56,797 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:56,797 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:56,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:56,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:56,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:56,797 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-16 09:24:56,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:24:56,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:56,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:56,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:56,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:56,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:56,828 INFO L229 MonitoredProcess]: Starting monitored process 105 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) [2021-12-16 09:24:56,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-16 09:24:56,830 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 [2021-12-16 09:24:56,836 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:56,836 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:56,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:24:56,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:56,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:24:56,836 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-16 09:24:56,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:24:56,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:24:56,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:56,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:56,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:24:56,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:24:56,854 INFO L229 MonitoredProcess]: Starting monitored process 106 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) [2021-12-16 09:24:56,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-16 09:24:56,856 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 [2021-12-16 09:24:56,862 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-16 09:24:56,862 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-16 09:24:56,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:24:56,862 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:24:56,862 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-16 09:24:56,890 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-12-16 09:24:56,890 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-16 09:24:56,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:24:56,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:56,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.12 09:24:56 BoogieIcfgContainer [2021-12-16 09:24:56,977 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-16 09:24:56,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 09:24:56,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 09:24:56,978 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 09:24:56,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:24:48" (3/4) ... [2021-12-16 09:24:56,980 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 09:24:56,980 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 09:24:56,980 INFO L158 Benchmark]: Toolchain (without parser) took 9308.51ms. Allocated memory was 98.6MB in the beginning and 182.5MB in the end (delta: 83.9MB). Free memory was 71.4MB in the beginning and 77.9MB in the end (delta: -6.4MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. [2021-12-16 09:24:56,981 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:24:56,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 145.15ms. Allocated memory was 98.6MB in the beginning and 151.0MB in the end (delta: 52.4MB). Free memory was 71.2MB in the beginning and 129.6MB in the end (delta: -58.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-12-16 09:24:56,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.11ms. Allocated memory is still 151.0MB. Free memory was 129.5MB in the beginning and 127.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 09:24:56,981 INFO L158 Benchmark]: Boogie Preprocessor took 15.46ms. Allocated memory is still 151.0MB. Free memory was 127.8MB in the beginning and 127.4MB in the end (delta: 401.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 09:24:56,981 INFO L158 Benchmark]: RCFGBuilder took 211.87ms. Allocated memory is still 151.0MB. Free memory was 126.8MB in the beginning and 117.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 09:24:56,982 INFO L158 Benchmark]: BuchiAutomizer took 8908.62ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 117.9MB in the beginning and 77.9MB in the end (delta: 40.0MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. [2021-12-16 09:24:56,982 INFO L158 Benchmark]: Witness Printer took 2.24ms. Allocated memory is still 182.5MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:24:56,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 145.15ms. Allocated memory was 98.6MB in the beginning and 151.0MB in the end (delta: 52.4MB). Free memory was 71.2MB in the beginning and 129.6MB in the end (delta: -58.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.11ms. Allocated memory is still 151.0MB. Free memory was 129.5MB in the beginning and 127.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.46ms. Allocated memory is still 151.0MB. Free memory was 127.8MB in the beginning and 127.4MB in the end (delta: 401.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 211.87ms. Allocated memory is still 151.0MB. Free memory was 126.8MB in the beginning and 117.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 8908.62ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 117.9MB in the beginning and 77.9MB in the end (delta: 40.0MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. * Witness Printer took 2.24ms. Allocated memory is still 182.5MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function 4 * y + 1 and consists of 5 locations. One deterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. The remainder module has 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.8s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 7.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 2. Nontrivial modules had stage [1, 1, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 56 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital48 mio100 ax100 hnf98 lsp104 ukn96 mio100 lsp100 div291 bol100 ite100 ukn100 eq143 hnf56 smp91 dnf173 smp82 tf101 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 102ms VariablesStem: 7 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 12 MotzkinApplications: 48 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0;" "assume !false;" "assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1);" "assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));" "main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !false;" Loop: "assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1);" "assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));" "main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !false;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-12-16 09:24:57,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:57,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:57,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2021-12-16 09:24:57,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-12-16 09:24:57,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:58,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:58,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-12-16 09:24:58,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:58,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-16 09:24:58,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-16 09:24:59,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-16 09:24:59,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-16 09:24:59,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 09:24:59,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN