./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 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-memory-alloca/lis-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4073cc5fe0afdc3910807054eaaf7f0047f472ba2d7a571a291a999e2fa35b78 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:10:05,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:10:05,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:10:05,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:10:05,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:10:05,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:10:05,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:10:05,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:10:05,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:10:05,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:10:05,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:10:05,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:10:05,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:10:05,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:10:05,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:10:05,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:10:05,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:10:05,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:10:05,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:10:05,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:10:05,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:10:05,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:10:05,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:10:05,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:10:05,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:10:05,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:10:05,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:10:05,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:10:05,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:10:05,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:10:05,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:10:05,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:10:05,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:10:05,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:10:05,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:10:05,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:10:05,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:10:05,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:10:05,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:10:05,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:10:05,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:10:05,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-28 09:10:05,424 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:10:05,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:10:05,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:10:05,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:10:05,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:10:05,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:10:05,428 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:10:05,428 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:10:05,428 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:10:05,428 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:10:05,429 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:10:05,429 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:10:05,429 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:10:05,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:10:05,430 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:10:05,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:10:05,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:10:05,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:10:05,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:10:05,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:10:05,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:10:05,431 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:10:05,431 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:10:05,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:10:05,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:10:05,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:10:05,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:10:05,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:10:05,433 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:10:05,433 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4073cc5fe0afdc3910807054eaaf7f0047f472ba2d7a571a291a999e2fa35b78 [2021-12-28 09:10:05,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:10:05,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:10:05,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:10:05,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:10:05,691 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:10:05,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i [2021-12-28 09:10:05,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bab93f15/a2cd861828824c4995bdd65bc01de03a/FLAG5b0e2ccc5 [2021-12-28 09:10:06,139 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:10:06,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i [2021-12-28 09:10:06,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bab93f15/a2cd861828824c4995bdd65bc01de03a/FLAG5b0e2ccc5 [2021-12-28 09:10:06,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bab93f15/a2cd861828824c4995bdd65bc01de03a [2021-12-28 09:10:06,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:10:06,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:10:06,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:10:06,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:10:06,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:10:06,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:10:06" (1/1) ... [2021-12-28 09:10:06,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7844e35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:10:06, skipping insertion in model container [2021-12-28 09:10:06,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:10:06" (1/1) ... [2021-12-28 09:10:06,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:10:06,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:10:06,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:10:06,447 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:10:06,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:10:06,511 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:10:06,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:10:06 WrapperNode [2021-12-28 09:10:06,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:10:06,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:10:06,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:10:06,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:10:06,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:10:06" (1/1) ... [2021-12-28 09:10:06,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:10:06" (1/1) ... [2021-12-28 09:10:06,562 INFO L137 Inliner]: procedures = 111, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2021-12-28 09:10:06,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:10:06,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:10:06,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:10:06,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:10:06,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:10:06" (1/1) ... [2021-12-28 09:10:06,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:10:06" (1/1) ... [2021-12-28 09:10:06,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:10:06" (1/1) ... [2021-12-28 09:10:06,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:10:06" (1/1) ... [2021-12-28 09:10:06,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:10:06" (1/1) ... [2021-12-28 09:10:06,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:10:06" (1/1) ... [2021-12-28 09:10:06,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:10:06" (1/1) ... [2021-12-28 09:10:06,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:10:06,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:10:06,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:10:06,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:10:06,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:10:06" (1/1) ... [2021-12-28 09:10:06,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:06,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:06,640 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) [2021-12-28 09:10:06,658 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 [2021-12-28 09:10:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 09:10:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 09:10:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 09:10:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 09:10:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:10:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:10:06,762 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:10:06,763 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:10:06,927 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:10:06,931 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:10:06,931 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-28 09:10:06,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:10:06 BoogieIcfgContainer [2021-12-28 09:10:06,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:10:06,938 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:10:06,938 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:10:06,940 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:10:06,941 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:10:06,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:10:06" (1/3) ... [2021-12-28 09:10:06,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cbfad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:10:06, skipping insertion in model container [2021-12-28 09:10:06,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:10:06,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:10:06" (2/3) ... [2021-12-28 09:10:06,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cbfad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:10:06, skipping insertion in model container [2021-12-28 09:10:06,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:10:06,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:10:06" (3/3) ... [2021-12-28 09:10:06,944 INFO L388 chiAutomizerObserver]: Analyzing ICFG lis-alloca-2.i [2021-12-28 09:10:06,989 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:10:06,990 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:10:06,990 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:10:06,990 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:10:06,990 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:10:06,990 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:10:06,990 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:10:06,990 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:10:07,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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) [2021-12-28 09:10:07,019 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-28 09:10:07,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:10:07,020 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:10:07,023 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-28 09:10:07,024 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-28 09:10:07,024 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:10:07,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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) [2021-12-28 09:10:07,027 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-28 09:10:07,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:10:07,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:10:07,028 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-28 09:10:07,028 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-28 09:10:07,032 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 16#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 5#L565true assume !(main_~array_size~0#1 < 1); 20#L565-2true call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 7#L552-3true [2021-12-28 09:10:07,032 INFO L793 eck$LassoCheckResult]: Loop: 7#L552-3true assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 18#L552-2true lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 7#L552-3true [2021-12-28 09:10:07,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:07,037 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-12-28 09:10:07,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:07,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245658713] [2021-12-28 09:10:07,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:07,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:07,145 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:10:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:07,186 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:10:07,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:07,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-12-28 09:10:07,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:07,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218535224] [2021-12-28 09:10:07,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:07,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:07,220 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:10:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:07,231 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:10:07,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:07,233 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-12-28 09:10:07,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:07,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051623228] [2021-12-28 09:10:07,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:07,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:07,267 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:10:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:07,294 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:10:07,898 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:10:07,899 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:10:07,899 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:10:07,899 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:10:07,899 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:10:07,899 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:07,900 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:10:07,900 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:10:07,900 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration1_Lasso [2021-12-28 09:10:07,901 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:10:07,901 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:10:07,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:07,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:08,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:08,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:08,611 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:10:08,614 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:10:08,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:08,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:08,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:10:08,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-28 09:10:08,619 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 [2021-12-28 09:10:08,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:08,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:08,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:08,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:08,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:08,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:08,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:08,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:08,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-28 09:10:08,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:08,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:08,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:10:08,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-28 09:10:08,654 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 [2021-12-28 09:10:08,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:08,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:08,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:08,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:08,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:08,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:08,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:08,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:08,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-28 09:10:08,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:08,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:08,700 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) [2021-12-28 09:10:08,700 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 [2021-12-28 09:10:08,704 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 [2021-12-28 09:10:08,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:08,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:08,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:08,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:08,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:08,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:08,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:08,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:08,737 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 [2021-12-28 09:10:08,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:08,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:08,738 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) [2021-12-28 09:10:08,739 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 [2021-12-28 09:10:08,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:10:08,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:08,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:08,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:08,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:08,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:08,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:08,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:08,780 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 [2021-12-28 09:10:08,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:08,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:08,781 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) [2021-12-28 09:10:08,782 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 [2021-12-28 09:10:08,783 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 [2021-12-28 09:10:08,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:08,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:08,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:08,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:08,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:08,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:08,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:08,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-28 09:10:08,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:08,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:08,823 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) [2021-12-28 09:10:08,824 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 [2021-12-28 09:10:08,826 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 [2021-12-28 09:10:08,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:08,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:08,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:08,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:08,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:08,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:08,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:08,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:08,858 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 [2021-12-28 09:10:08,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:08,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:08,859 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:10:08,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-28 09:10:08,861 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 [2021-12-28 09:10:08,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:08,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:08,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:08,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:08,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:08,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:08,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:08,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:08,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-28 09:10:08,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:08,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:08,892 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:10:08,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-28 09:10:08,895 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 [2021-12-28 09:10:08,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:08,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:08,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:08,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:08,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:08,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:08,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:08,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:08,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-28 09:10:08,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:08,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:08,941 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:10:08,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-28 09:10:08,943 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 [2021-12-28 09:10:08,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:08,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:08,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:08,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:08,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:08,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:08,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:08,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-28 09:10:08,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:08,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:08,986 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) [2021-12-28 09:10:08,991 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 [2021-12-28 09:10:08,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:08,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:08,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:08,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:08,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:08,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:09,002 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 [2021-12-28 09:10:09,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,022 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 [2021-12-28 09:10:09,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,023 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) [2021-12-28 09:10:09,024 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 [2021-12-28 09:10:09,025 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 [2021-12-28 09:10:09,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:09,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:09,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:09,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,050 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 [2021-12-28 09:10:09,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,051 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) [2021-12-28 09:10:09,052 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 [2021-12-28 09:10:09,052 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 [2021-12-28 09:10:09,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:09,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:09,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:09,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-28 09:10:09,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,076 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) [2021-12-28 09:10:09,077 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 [2021-12-28 09:10:09,078 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 [2021-12-28 09:10:09,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:09,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:09,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:09,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,101 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 [2021-12-28 09:10:09,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,102 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:10:09,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-28 09:10:09,104 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 [2021-12-28 09:10:09,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:09,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:09,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:09,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-28 09:10:09,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,129 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:10:09,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-28 09:10:09,131 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 [2021-12-28 09:10:09,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:09,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:09,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:09,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-28 09:10:09,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,168 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:10:09,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-28 09:10:09,170 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 [2021-12-28 09:10:09,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:09,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:09,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-28 09:10:09,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,198 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) [2021-12-28 09:10:09,199 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 [2021-12-28 09:10:09,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:10:09,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:09,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:09,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,247 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 [2021-12-28 09:10:09,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,248 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) [2021-12-28 09:10:09,250 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 [2021-12-28 09:10:09,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:10:09,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:09,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:09,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:09,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,282 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 [2021-12-28 09:10:09,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,284 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) [2021-12-28 09:10:09,284 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 [2021-12-28 09:10:09,285 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 [2021-12-28 09:10:09,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:09,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:09,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:09,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-28 09:10:09,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,307 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) [2021-12-28 09:10:09,310 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 [2021-12-28 09:10:09,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:10:09,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:09,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:09,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:09,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,338 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 [2021-12-28 09:10:09,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,339 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:10:09,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-28 09:10:09,341 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 [2021-12-28 09:10:09,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:09,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:09,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:09,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-28 09:10:09,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,366 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:10:09,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-28 09:10:09,372 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 [2021-12-28 09:10:09,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:09,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:09,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:09,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-28 09:10:09,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,397 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) [2021-12-28 09:10:09,397 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 [2021-12-28 09:10:09,398 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 [2021-12-28 09:10:09,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:09,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:09,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:09,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-28 09:10:09,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,432 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) [2021-12-28 09:10:09,432 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 [2021-12-28 09:10:09,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:10:09,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:09,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:09,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-28 09:10:09,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,475 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) [2021-12-28 09:10:09,475 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 [2021-12-28 09:10:09,479 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 [2021-12-28 09:10:09,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:09,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:09,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:09,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-28 09:10:09,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,514 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) [2021-12-28 09:10:09,515 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 [2021-12-28 09:10:09,516 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 [2021-12-28 09:10:09,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:09,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:09,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,556 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 [2021-12-28 09:10:09,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,556 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) [2021-12-28 09:10:09,557 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 [2021-12-28 09:10:09,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:10:09,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:09,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:09,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-28 09:10:09,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,600 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) [2021-12-28 09:10:09,601 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 [2021-12-28 09:10:09,603 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 [2021-12-28 09:10:09,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:09,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:09,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,627 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 [2021-12-28 09:10:09,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,628 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) [2021-12-28 09:10:09,628 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 [2021-12-28 09:10:09,630 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 [2021-12-28 09:10:09,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:09,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:09,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:09,677 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 [2021-12-28 09:10:09,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,678 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) [2021-12-28 09:10:09,679 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 [2021-12-28 09:10:09,680 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 [2021-12-28 09:10:09,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:09,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:09,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:09,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:09,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:09,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:09,714 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:10:09,778 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2021-12-28 09:10:09,778 INFO L444 ModelExtractionUtils]: 17 out of 43 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-12-28 09:10:09,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:09,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:09,799 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) [2021-12-28 09:10:09,825 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 [2021-12-28 09:10:09,825 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:10:09,848 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-28 09:10:09,848 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:10:09,849 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~best~0#1.offset, v_rep(select #length ULTIMATE.start_lis_~prev~0#1.base)_1, ULTIMATE.start_lis_~i~0#1) = -1*ULTIMATE.start_lis_~best~0#1.offset + 1*v_rep(select #length ULTIMATE.start_lis_~prev~0#1.base)_1 - 4*ULTIMATE.start_lis_~i~0#1 Supporting invariants [] [2021-12-28 09:10:09,867 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 [2021-12-28 09:10:09,907 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2021-12-28 09:10:09,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:10:09,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-28 09:10:09,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:10:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:10:09,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-28 09:10:09,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:10:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:10:10,034 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 [2021-12-28 09:10:10,035 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:10:10,084 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 64 transitions. Complement of second has 8 states. [2021-12-28 09:10:10,085 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 [2021-12-28 09:10:10,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:10:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2021-12-28 09:10:10,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-28 09:10:10,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:10:10,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-28 09:10:10,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:10:10,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 4 letters. [2021-12-28 09:10:10,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:10:10,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 64 transitions. [2021-12-28 09:10:10,092 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-28 09:10:10,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 18 states and 28 transitions. [2021-12-28 09:10:10,095 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-28 09:10:10,095 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-28 09:10:10,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 28 transitions. [2021-12-28 09:10:10,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:10:10,096 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 28 transitions. [2021-12-28 09:10:10,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 28 transitions. [2021-12-28 09:10:10,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-12-28 09:10:10,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 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) [2021-12-28 09:10:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 28 transitions. [2021-12-28 09:10:10,111 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 28 transitions. [2021-12-28 09:10:10,111 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 28 transitions. [2021-12-28 09:10:10,111 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:10:10,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 28 transitions. [2021-12-28 09:10:10,111 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-28 09:10:10,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:10:10,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:10:10,112 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-28 09:10:10,112 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-28 09:10:10,112 INFO L791 eck$LassoCheckResult]: Stem: 184#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 185#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 178#L565 assume !(main_~array_size~0#1 < 1); 179#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 180#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 182#L552-4 lis_~i~0#1 := 1; 186#L554-3 [2021-12-28 09:10:10,112 INFO L793 eck$LassoCheckResult]: Loop: 186#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 187#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 188#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 186#L554-3 [2021-12-28 09:10:10,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:10,112 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-12-28 09:10:10,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:10,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786922411] [2021-12-28 09:10:10,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:10,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:10,135 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 [2021-12-28 09:10:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:10:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:10:10,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:10:10,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786922411] [2021-12-28 09:10:10,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786922411] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:10:10,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:10:10,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 09:10:10,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246791389] [2021-12-28 09:10:10,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:10:10,178 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-28 09:10:10,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:10,179 INFO L85 PathProgramCache]: Analyzing trace with hash 60785, now seen corresponding path program 1 times [2021-12-28 09:10:10,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:10,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363647193] [2021-12-28 09:10:10,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:10,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:10,182 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:10:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:10,184 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:10:10,204 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:10:10,204 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:10:10,204 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:10:10,204 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:10:10,205 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-28 09:10:10,205 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,205 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:10:10,205 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:10:10,205 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration2_Loop [2021-12-28 09:10:10,205 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:10:10,205 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:10:10,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:10,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:10,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:10,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:10,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:10,242 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:10:10,243 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-28 09:10:10,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:10,247 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) [2021-12-28 09:10:10,248 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 [2021-12-28 09:10:10,250 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:10:10,250 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:10:10,276 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:10:10,276 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_lis_#t~post5#1=0} Honda state: {ULTIMATE.start_lis_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:10:10,293 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 [2021-12-28 09:10:10,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:10,294 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) [2021-12-28 09:10:10,295 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 [2021-12-28 09:10:10,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:10:10,296 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:10:10,317 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:10:10,317 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_2=2} Honda state: {v_rep~unnamed0~0~P_PGID_2=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:10:10,338 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 [2021-12-28 09:10:10,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:10,340 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) [2021-12-28 09:10:10,341 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 [2021-12-28 09:10:10,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:10:10,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:10:10,363 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:10:10,363 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_2=1} Honda state: {v_rep~unnamed0~0~P_PID_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:10:10,381 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 [2021-12-28 09:10:10,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:10,386 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) [2021-12-28 09:10:10,386 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 [2021-12-28 09:10:10,388 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:10:10,388 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:10:10,409 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:10:10,409 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_ALL_2=0} Honda state: {v_rep~unnamed0~0~P_ALL_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:10:10,426 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 [2021-12-28 09:10:10,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:10,427 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) [2021-12-28 09:10:10,428 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 [2021-12-28 09:10:10,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:10:10,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:10:10,472 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 [2021-12-28 09:10:10,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:10,474 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) [2021-12-28 09:10:10,475 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 [2021-12-28 09:10:10,476 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-28 09:10:10,476 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:10:10,585 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-28 09:10:10,588 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 [2021-12-28 09:10:10,588 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:10:10,588 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:10:10,588 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:10:10,589 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:10:10,589 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:10:10,589 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,589 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:10:10,589 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:10:10,589 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration2_Loop [2021-12-28 09:10:10,589 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:10:10,589 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:10:10,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:10,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:10,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:10,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:10,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:10,640 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:10:10,640 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:10:10,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:10,641 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) [2021-12-28 09:10:10,642 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 [2021-12-28 09:10:10,643 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 [2021-12-28 09:10:10,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:10,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:10,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:10,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:10,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:10,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:10,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:10,678 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 [2021-12-28 09:10:10,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:10,679 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) [2021-12-28 09:10:10,681 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 [2021-12-28 09:10:10,682 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 [2021-12-28 09:10:10,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:10,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:10,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:10,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:10,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:10,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:10,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:10,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:10,712 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 [2021-12-28 09:10:10,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:10,713 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) [2021-12-28 09:10:10,714 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 [2021-12-28 09:10:10,715 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 [2021-12-28 09:10:10,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:10,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:10,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:10,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:10,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:10,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:10,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:10,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-28 09:10:10,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:10,749 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) [2021-12-28 09:10:10,750 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 [2021-12-28 09:10:10,752 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 [2021-12-28 09:10:10,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:10,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:10,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:10,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:10,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:10,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:10,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:10,786 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 [2021-12-28 09:10:10,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:10,789 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) [2021-12-28 09:10:10,791 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 [2021-12-28 09:10:10,793 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 [2021-12-28 09:10:10,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:10,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:10,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:10,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:10,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:10,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:10,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:10,815 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:10:10,818 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-28 09:10:10,818 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-28 09:10:10,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:10,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:10,819 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) [2021-12-28 09:10:10,820 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 [2021-12-28 09:10:10,821 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:10:10,821 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-28 09:10:10,821 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:10:10,821 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~N#1, ULTIMATE.start_lis_~i~0#1) = 1*ULTIMATE.start_lis_~N#1 - 1*ULTIMATE.start_lis_~i~0#1 Supporting invariants [] [2021-12-28 09:10:10,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-28 09:10:10,837 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-28 09:10:10,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:10:10,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 09:10:10,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:10:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:10:10,873 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 09:10:10,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:10:10,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:10:10,891 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 [2021-12-28 09:10:10,891 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 28 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-12-28 09:10:10,908 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 28 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 61 transitions. Complement of second has 8 states. [2021-12-28 09:10:10,908 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 [2021-12-28 09:10:10,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-12-28 09:10:10,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2021-12-28 09:10:10,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 6 letters. Loop has 3 letters. [2021-12-28 09:10:10,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:10:10,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 9 letters. Loop has 3 letters. [2021-12-28 09:10:10,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:10:10,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 6 letters. Loop has 6 letters. [2021-12-28 09:10:10,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:10:10,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 61 transitions. [2021-12-28 09:10:10,911 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-28 09:10:10,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 24 states and 37 transitions. [2021-12-28 09:10:10,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-28 09:10:10,911 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-28 09:10:10,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 37 transitions. [2021-12-28 09:10:10,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:10:10,912 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 37 transitions. [2021-12-28 09:10:10,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 37 transitions. [2021-12-28 09:10:10,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2021-12-28 09:10:10,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.565217391304348) internal successors, (36), 22 states have internal predecessors, (36), 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) [2021-12-28 09:10:10,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 36 transitions. [2021-12-28 09:10:10,913 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 36 transitions. [2021-12-28 09:10:10,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:10:10,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 09:10:10,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 09:10:10,916 INFO L87 Difference]: Start difference. First operand 23 states and 36 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:10:10,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:10:10,945 INFO L93 Difference]: Finished difference Result 24 states and 36 transitions. [2021-12-28 09:10:10,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 09:10:10,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 36 transitions. [2021-12-28 09:10:10,947 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-28 09:10:10,947 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 36 transitions. [2021-12-28 09:10:10,947 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-28 09:10:10,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-28 09:10:10,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 36 transitions. [2021-12-28 09:10:10,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:10:10,948 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 36 transitions. [2021-12-28 09:10:10,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 36 transitions. [2021-12-28 09:10:10,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2021-12-28 09:10:10,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 22 states have internal predecessors, (35), 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) [2021-12-28 09:10:10,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 35 transitions. [2021-12-28 09:10:10,950 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 35 transitions. [2021-12-28 09:10:10,950 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 35 transitions. [2021-12-28 09:10:10,950 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-28 09:10:10,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 35 transitions. [2021-12-28 09:10:10,950 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-28 09:10:10,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:10:10,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:10:10,951 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:10:10,951 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-28 09:10:10,951 INFO L791 eck$LassoCheckResult]: Stem: 335#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 336#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 333#L565 assume !(main_~array_size~0#1 < 1); 334#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 337#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 338#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 339#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 340#L552-4 lis_~i~0#1 := 1; 346#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 341#L555-3 [2021-12-28 09:10:10,951 INFO L793 eck$LassoCheckResult]: Loop: 341#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 342#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 349#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 351#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 341#L555-3 [2021-12-28 09:10:10,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:10,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2021-12-28 09:10:10,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:10,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037178034] [2021-12-28 09:10:10,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:10,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:10:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:10:10,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:10:10,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037178034] [2021-12-28 09:10:10,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037178034] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 09:10:10,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703419522] [2021-12-28 09:10:10,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:10,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 09:10:10,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:10,987 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 09:10:10,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-12-28 09:10:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:10:11,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-28 09:10:11,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:10:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:10:11,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 09:10:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:10:11,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703419522] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 09:10:11,083 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 09:10:11,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2021-12-28 09:10:11,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724509693] [2021-12-28 09:10:11,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 09:10:11,084 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-28 09:10:11,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:11,084 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 1 times [2021-12-28 09:10:11,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:11,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25494030] [2021-12-28 09:10:11,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:11,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:11,092 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:10:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:11,099 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:10:11,122 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 [2021-12-28 09:10:11,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:10:11,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 09:10:11,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-28 09:10:11,290 INFO L87 Difference]: Start difference. First operand 23 states and 35 transitions. cyclomatic complexity: 16 Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:10:11,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:10:11,368 INFO L93 Difference]: Finished difference Result 49 states and 69 transitions. [2021-12-28 09:10:11,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 09:10:11,369 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 69 transitions. [2021-12-28 09:10:11,370 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-28 09:10:11,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 41 states and 59 transitions. [2021-12-28 09:10:11,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-12-28 09:10:11,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-12-28 09:10:11,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 59 transitions. [2021-12-28 09:10:11,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:10:11,371 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 59 transitions. [2021-12-28 09:10:11,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 59 transitions. [2021-12-28 09:10:11,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 25. [2021-12-28 09:10:11,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 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) [2021-12-28 09:10:11,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 36 transitions. [2021-12-28 09:10:11,372 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 36 transitions. [2021-12-28 09:10:11,372 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 36 transitions. [2021-12-28 09:10:11,372 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-28 09:10:11,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 36 transitions. [2021-12-28 09:10:11,373 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-28 09:10:11,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:10:11,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:10:11,373 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:10:11,373 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-28 09:10:11,373 INFO L791 eck$LassoCheckResult]: Stem: 471#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 472#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 469#L565 assume !(main_~array_size~0#1 < 1); 470#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 473#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 474#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 475#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 476#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 493#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 482#L552-4 lis_~i~0#1 := 1; 483#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 477#L555-3 [2021-12-28 09:10:11,373 INFO L793 eck$LassoCheckResult]: Loop: 477#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 478#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 486#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 488#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 477#L555-3 [2021-12-28 09:10:11,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:11,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 2 times [2021-12-28 09:10:11,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:11,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775826493] [2021-12-28 09:10:11,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:11,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:11,387 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:10:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:11,398 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:10:11,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:11,399 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 2 times [2021-12-28 09:10:11,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:11,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667915567] [2021-12-28 09:10:11,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:11,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:11,409 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:10:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:11,415 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:10:11,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:11,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1166707861, now seen corresponding path program 1 times [2021-12-28 09:10:11,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:11,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237435878] [2021-12-28 09:10:11,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:11,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:11,465 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:10:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:11,508 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:10:12,484 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:10:12,484 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:10:12,484 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:10:12,484 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:10:12,484 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:10:12,484 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:12,484 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:10:12,485 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:10:12,485 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration4_Lasso [2021-12-28 09:10:12,485 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:10:12,485 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:10:12,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:12,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:12,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:12,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:12,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:12,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:12,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:13,731 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:10:13,731 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:10:13,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:13,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:13,732 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) [2021-12-28 09:10:13,733 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 [2021-12-28 09:10:13,735 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 [2021-12-28 09:10:13,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:13,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:13,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:13,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:13,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:13,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:13,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:13,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:13,768 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 [2021-12-28 09:10:13,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:13,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:13,769 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) [2021-12-28 09:10:13,769 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 [2021-12-28 09:10:13,772 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 [2021-12-28 09:10:13,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:13,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:13,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:13,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:13,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:13,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:13,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:13,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:13,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-12-28 09:10:13,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:13,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:13,795 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) [2021-12-28 09:10:13,795 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 [2021-12-28 09:10:13,797 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 [2021-12-28 09:10:13,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:13,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:13,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:13,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:13,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:13,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:13,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:13,828 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 [2021-12-28 09:10:13,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:13,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:13,829 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) [2021-12-28 09:10:13,830 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 [2021-12-28 09:10:13,831 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 [2021-12-28 09:10:13,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:13,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:13,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:13,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:13,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:13,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:13,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:13,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:13,867 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 [2021-12-28 09:10:13,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:13,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:13,868 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) [2021-12-28 09:10:13,869 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 [2021-12-28 09:10:13,870 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 [2021-12-28 09:10:13,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:13,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:13,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:13,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:13,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:13,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:13,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:13,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:13,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-28 09:10:13,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:13,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:13,898 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) [2021-12-28 09:10:13,899 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 [2021-12-28 09:10:13,900 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 [2021-12-28 09:10:13,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:13,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:13,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:13,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:13,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:13,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:13,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:13,923 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 [2021-12-28 09:10:13,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:13,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:13,924 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) [2021-12-28 09:10:13,925 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 [2021-12-28 09:10:13,926 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 [2021-12-28 09:10:13,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:13,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:13,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:13,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:13,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:13,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:13,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:13,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-28 09:10:13,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:13,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:13,966 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) [2021-12-28 09:10:13,967 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 [2021-12-28 09:10:13,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:10:13,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:13,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:13,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:13,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:13,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:13,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:13,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:13,994 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 [2021-12-28 09:10:13,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:13,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:13,995 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) [2021-12-28 09:10:13,996 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 [2021-12-28 09:10:13,997 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 [2021-12-28 09:10:14,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:14,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:14,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:14,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:14,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:14,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:14,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:14,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-28 09:10:14,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:14,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:14,039 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) [2021-12-28 09:10:14,039 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 [2021-12-28 09:10:14,041 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 [2021-12-28 09:10:14,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:14,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:14,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:14,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:14,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:14,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:14,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:14,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-28 09:10:14,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:14,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:14,086 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) [2021-12-28 09:10:14,087 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 [2021-12-28 09:10:14,088 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 [2021-12-28 09:10:14,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:14,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:14,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:14,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:14,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:14,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:14,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:14,123 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 [2021-12-28 09:10:14,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:14,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:14,124 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) [2021-12-28 09:10:14,124 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 [2021-12-28 09:10:14,126 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 [2021-12-28 09:10:14,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:14,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:14,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:14,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:14,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:14,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:14,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:14,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-28 09:10:14,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:14,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:14,151 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) [2021-12-28 09:10:14,152 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 [2021-12-28 09:10:14,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:10:14,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:14,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:10:14,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:14,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:14,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:14,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:10:14,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:10:14,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:14,178 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 [2021-12-28 09:10:14,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:14,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:14,179 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) [2021-12-28 09:10:14,179 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 [2021-12-28 09:10:14,181 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 [2021-12-28 09:10:14,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:14,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:14,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:14,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:14,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:14,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:14,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:14,207 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 [2021-12-28 09:10:14,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:14,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:14,208 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) [2021-12-28 09:10:14,209 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 [2021-12-28 09:10:14,210 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 [2021-12-28 09:10:14,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:14,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:14,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:14,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:14,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:14,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:14,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:10:14,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-28 09:10:14,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:14,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:14,252 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) [2021-12-28 09:10:14,252 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 [2021-12-28 09:10:14,283 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 [2021-12-28 09:10:14,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:10:14,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:10:14,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:10:14,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:10:14,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:10:14,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:10:14,320 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:10:14,348 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-12-28 09:10:14,348 INFO L444 ModelExtractionUtils]: 17 out of 58 variables were initially zero. Simplification set additionally 38 variables to zero. [2021-12-28 09:10:14,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:14,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:14,350 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) [2021-12-28 09:10:14,350 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 [2021-12-28 09:10:14,351 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:10:14,394 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-28 09:10:14,394 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:10:14,394 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~j~0#1, ULTIMATE.start_lis_~i~0#1) = -2*ULTIMATE.start_lis_~j~0#1 + 1*ULTIMATE.start_lis_~i~0#1 Supporting invariants [] [2021-12-28 09:10:14,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-28 09:10:14,504 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 [2021-12-28 09:10:14,551 INFO L297 tatePredicateManager]: 42 out of 43 supporting invariants were superfluous and have been removed [2021-12-28 09:10:14,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:10:14,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 09:10:14,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:10:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:10:14,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-28 09:10:14,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:10:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:10:14,646 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-28 09:10:14,646 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 36 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-12-28 09:10:14,677 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 36 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 42 states and 63 transitions. Complement of second has 8 states. [2021-12-28 09:10:14,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-28 09:10:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-12-28 09:10:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-12-28 09:10:14,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 11 letters. Loop has 4 letters. [2021-12-28 09:10:14,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:10:14,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 15 letters. Loop has 4 letters. [2021-12-28 09:10:14,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:10:14,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 11 letters. Loop has 8 letters. [2021-12-28 09:10:14,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:10:14,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 63 transitions. [2021-12-28 09:10:14,680 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-28 09:10:14,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 30 states and 43 transitions. [2021-12-28 09:10:14,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-28 09:10:14,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-28 09:10:14,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 43 transitions. [2021-12-28 09:10:14,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:10:14,681 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 43 transitions. [2021-12-28 09:10:14,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 43 transitions. [2021-12-28 09:10:14,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2021-12-28 09:10:14,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 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) [2021-12-28 09:10:14,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2021-12-28 09:10:14,683 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 35 transitions. [2021-12-28 09:10:14,683 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 35 transitions. [2021-12-28 09:10:14,683 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-28 09:10:14,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 35 transitions. [2021-12-28 09:10:14,683 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-28 09:10:14,683 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:10:14,683 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:10:14,684 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:10:14,684 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-28 09:10:14,684 INFO L791 eck$LassoCheckResult]: Stem: 786#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 787#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 784#L565 assume !(main_~array_size~0#1 < 1); 785#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 788#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 789#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 790#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 791#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 808#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 797#L552-4 lis_~i~0#1 := 1; 798#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 794#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 795#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 807#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 792#L555-3 [2021-12-28 09:10:14,684 INFO L793 eck$LassoCheckResult]: Loop: 792#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 793#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 801#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 803#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 792#L555-3 [2021-12-28 09:10:14,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:14,685 INFO L85 PathProgramCache]: Analyzing trace with hash -793649762, now seen corresponding path program 1 times [2021-12-28 09:10:14,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:14,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170979242] [2021-12-28 09:10:14,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:14,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:10:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-28 09:10:14,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:10:14,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170979242] [2021-12-28 09:10:14,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170979242] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:10:14,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:10:14,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 09:10:14,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920235162] [2021-12-28 09:10:14,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:10:14,736 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-28 09:10:14,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:14,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 3 times [2021-12-28 09:10:14,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:14,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662043880] [2021-12-28 09:10:14,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:14,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:14,743 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:10:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:14,759 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:10:14,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:10:14,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 09:10:14,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-28 09:10:14,929 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-12-28 09:10:14,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:10:14,959 INFO L93 Difference]: Finished difference Result 34 states and 49 transitions. [2021-12-28 09:10:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 09:10:14,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 49 transitions. [2021-12-28 09:10:14,960 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-28 09:10:14,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 49 transitions. [2021-12-28 09:10:14,960 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-28 09:10:14,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-28 09:10:14,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 49 transitions. [2021-12-28 09:10:14,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:10:14,960 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 49 transitions. [2021-12-28 09:10:14,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 49 transitions. [2021-12-28 09:10:14,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 26. [2021-12-28 09:10:14,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 25 states have internal predecessors, (36), 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) [2021-12-28 09:10:14,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2021-12-28 09:10:14,962 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2021-12-28 09:10:14,962 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2021-12-28 09:10:14,962 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-28 09:10:14,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 36 transitions. [2021-12-28 09:10:14,962 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-28 09:10:14,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:10:14,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:10:14,963 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:10:14,963 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-28 09:10:14,963 INFO L791 eck$LassoCheckResult]: Stem: 852#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 853#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 850#L565 assume !(main_~array_size~0#1 < 1); 851#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 854#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 855#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 856#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 857#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 875#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 862#L552-4 lis_~i~0#1 := 1; 863#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 860#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 861#L556 assume !lis_#t~short11#1; 865#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 869#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 870#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 873#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 874#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 858#L555-3 [2021-12-28 09:10:14,963 INFO L793 eck$LassoCheckResult]: Loop: 858#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 859#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 864#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 868#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 858#L555-3 [2021-12-28 09:10:14,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:14,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1717296809, now seen corresponding path program 1 times [2021-12-28 09:10:14,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:14,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142309696] [2021-12-28 09:10:14,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:14,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:10:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 09:10:15,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:10:15,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142309696] [2021-12-28 09:10:15,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142309696] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 09:10:15,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80624271] [2021-12-28 09:10:15,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:15,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 09:10:15,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:10:15,020 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) [2021-12-28 09:10:15,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-12-28 09:10:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:10:15,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-28 09:10:15,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:10:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 09:10:15,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 09:10:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 09:10:15,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80624271] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 09:10:15,175 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 09:10:15,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-12-28 09:10:15,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86953428] [2021-12-28 09:10:15,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 09:10:15,177 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-28 09:10:15,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:15,177 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 4 times [2021-12-28 09:10:15,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:15,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593197718] [2021-12-28 09:10:15,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:15,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:15,191 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:10:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:15,200 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:10:15,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:10:15,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-28 09:10:15,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-12-28 09:10:15,375 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. cyclomatic complexity: 14 Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 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) [2021-12-28 09:10:15,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:10:15,480 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-12-28 09:10:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 09:10:15,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 99 transitions. [2021-12-28 09:10:15,482 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-28 09:10:15,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 53 states and 75 transitions. [2021-12-28 09:10:15,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-12-28 09:10:15,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-12-28 09:10:15,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 75 transitions. [2021-12-28 09:10:15,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:10:15,482 INFO L681 BuchiCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-12-28 09:10:15,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 75 transitions. [2021-12-28 09:10:15,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 34. [2021-12-28 09:10:15,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.411764705882353) internal successors, (48), 33 states have internal predecessors, (48), 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) [2021-12-28 09:10:15,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2021-12-28 09:10:15,484 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 48 transitions. [2021-12-28 09:10:15,484 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 48 transitions. [2021-12-28 09:10:15,484 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-28 09:10:15,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 48 transitions. [2021-12-28 09:10:15,485 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-28 09:10:15,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:10:15,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:10:15,485 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:10:15,485 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-28 09:10:15,486 INFO L791 eck$LassoCheckResult]: Stem: 1072#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1073#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1070#L565 assume !(main_~array_size~0#1 < 1); 1071#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1074#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1075#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1093#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1099#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1076#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1077#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1098#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 1083#L552-4 lis_~i~0#1 := 1; 1084#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1096#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1101#L556 assume !lis_#t~short11#1; 1103#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 1102#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1100#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1094#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1095#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1078#L555-3 [2021-12-28 09:10:15,486 INFO L793 eck$LassoCheckResult]: Loop: 1078#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1079#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1085#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1089#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1078#L555-3 [2021-12-28 09:10:15,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:15,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1523485369, now seen corresponding path program 2 times [2021-12-28 09:10:15,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:15,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398356579] [2021-12-28 09:10:15,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:15,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:15,506 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:10:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:15,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:10:15,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:15,515 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 5 times [2021-12-28 09:10:15,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:15,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443174558] [2021-12-28 09:10:15,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:15,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:15,527 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:10:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:15,530 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:10:15,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:10:15,531 INFO L85 PathProgramCache]: Analyzing trace with hash -423959456, now seen corresponding path program 1 times [2021-12-28 09:10:15,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:10:15,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208307195] [2021-12-28 09:10:15,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:10:15,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:10:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:15,557 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:10:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:10:15,578 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:10:17,057 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:10:17,057 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:10:17,057 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:10:17,057 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:10:17,057 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:10:17,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:10:17,057 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:10:17,057 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:10:17,057 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration7_Lasso [2021-12-28 09:10:17,057 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:10:17,057 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:10:17,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:10:17,547 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.IllegalArgumentException at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) at java.base/java.util.AbstractMap.putAll(AbstractMap.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.PureSubstitution.(PureSubstitution.java:81) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.(Substitution.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceMapReads(MapEliminator.java:518) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:342) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-28 09:10:17,550 INFO L158 Benchmark]: Toolchain (without parser) took 11387.32ms. Allocated memory was 58.7MB in the beginning and 134.2MB in the end (delta: 75.5MB). Free memory was 36.8MB in the beginning and 106.7MB in the end (delta: -69.9MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2021-12-28 09:10:17,550 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:10:17,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.42ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 36.6MB in the beginning and 60.1MB in the end (delta: -23.6MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-12-28 09:10:17,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.14ms. Allocated memory is still 81.8MB. Free memory was 60.1MB in the beginning and 58.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:10:17,551 INFO L158 Benchmark]: Boogie Preprocessor took 38.88ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 56.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:10:17,551 INFO L158 Benchmark]: RCFGBuilder took 333.64ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 44.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-28 09:10:17,551 INFO L158 Benchmark]: BuchiAutomizer took 10611.21ms. Allocated memory was 81.8MB in the beginning and 134.2MB in the end (delta: 52.4MB). Free memory was 44.2MB in the beginning and 106.7MB in the end (delta: -62.5MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2021-12-28 09:10:17,553 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.42ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 36.6MB in the beginning and 60.1MB in the end (delta: -23.6MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.14ms. Allocated memory is still 81.8MB. Free memory was 60.1MB in the beginning and 58.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.88ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 56.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.64ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 44.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 10611.21ms. Allocated memory was 81.8MB in the beginning and 134.2MB in the end (delta: 52.4MB). Free memory was 44.2MB in the beginning and 106.7MB in the end (delta: -62.5MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: IllegalArgumentException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: IllegalArgumentException: null: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-28 09:10:17,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2021-12-28 09:10:17,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2021-12-28 09:10:17,992 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*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: null