./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strdup.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-dietlibc/strdup.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 f841d4506b3d54a4be8e374f288503808db05c122988e690b43155c57f381496 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:07:43,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:07:43,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:07:43,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:07:43,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:07:43,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:07:43,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:07:43,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:07:43,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:07:43,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:07:43,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:07:43,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:07:43,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:07:43,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:07:43,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:07:43,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:07:43,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:07:43,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:07:43,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:07:43,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:07:43,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:07:43,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:07:43,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:07:43,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:07:43,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:07:43,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:07:43,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:07:43,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:07:43,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:07:43,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:07:43,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:07:43,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:07:43,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:07:43,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:07:43,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:07:43,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:07:43,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:07:43,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:07:43,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:07:43,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:07:43,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:07:43,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-28 09:07:43,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:07:43,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:07:43,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:07:43,428 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:07:43,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:07:43,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:07:43,430 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:07:43,431 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:07:43,431 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:07:43,431 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:07:43,432 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:07:43,432 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:07:43,432 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:07:43,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:07:43,433 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:07:43,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:07:43,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:07:43,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:07:43,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:07:43,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:07:43,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:07:43,434 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:07:43,434 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:07:43,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:07:43,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:07:43,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:07:43,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:07:43,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:07:43,441 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:07:43,442 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f841d4506b3d54a4be8e374f288503808db05c122988e690b43155c57f381496 [2021-12-28 09:07:43,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:07:43,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:07:43,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:07:43,740 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:07:43,741 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:07:43,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strdup.i [2021-12-28 09:07:43,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41409b23/6fc5ea1d83094b348b27eff70365d0e9/FLAGf6316dab5 [2021-12-28 09:07:44,296 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:07:44,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strdup.i [2021-12-28 09:07:44,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41409b23/6fc5ea1d83094b348b27eff70365d0e9/FLAGf6316dab5 [2021-12-28 09:07:44,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41409b23/6fc5ea1d83094b348b27eff70365d0e9 [2021-12-28 09:07:44,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:07:44,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:07:44,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:07:44,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:07:44,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:07:44,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:07:44" (1/1) ... [2021-12-28 09:07:44,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e9c0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:07:44, skipping insertion in model container [2021-12-28 09:07:44,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:07:44" (1/1) ... [2021-12-28 09:07:44,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:07:44,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:07:45,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:07:45,157 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:07:45,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:07:45,227 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:07:45,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:07:45 WrapperNode [2021-12-28 09:07:45,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:07:45,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:07:45,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:07:45,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:07:45,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:07:45" (1/1) ... [2021-12-28 09:07:45,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:07:45" (1/1) ... [2021-12-28 09:07:45,290 INFO L137 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 83 [2021-12-28 09:07:45,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:07:45,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:07:45,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:07:45,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:07:45,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:07:45" (1/1) ... [2021-12-28 09:07:45,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:07:45" (1/1) ... [2021-12-28 09:07:45,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:07:45" (1/1) ... [2021-12-28 09:07:45,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:07:45" (1/1) ... [2021-12-28 09:07:45,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:07:45" (1/1) ... [2021-12-28 09:07:45,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:07:45" (1/1) ... [2021-12-28 09:07:45,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:07:45" (1/1) ... [2021-12-28 09:07:45,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:07:45,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:07:45,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:07:45,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:07:45,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:07:45" (1/1) ... [2021-12-28 09:07:45,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:45,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:45,376 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 09:07:45,395 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 09:07:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 09:07:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 09:07:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 09:07:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 09:07:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 09:07:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:07:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:07:45,551 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:07:45,553 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:07:45,712 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:07:45,716 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:07:45,717 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 09:07:45,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:07:45 BoogieIcfgContainer [2021-12-28 09:07:45,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:07:45,719 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:07:45,719 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:07:45,722 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:07:45,722 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:07:45,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:07:44" (1/3) ... [2021-12-28 09:07:45,723 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43e582b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:07:45, skipping insertion in model container [2021-12-28 09:07:45,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:07:45,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:07:45" (2/3) ... [2021-12-28 09:07:45,724 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43e582b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:07:45, skipping insertion in model container [2021-12-28 09:07:45,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:07:45,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:07:45" (3/3) ... [2021-12-28 09:07:45,725 INFO L388 chiAutomizerObserver]: Analyzing ICFG strdup.i [2021-12-28 09:07:45,761 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:07:45,762 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:07:45,762 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:07:45,762 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:07:45,762 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:07:45,762 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:07:45,762 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:07:45,762 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:07:45,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 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 09:07:45,785 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-28 09:07:45,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:07:45,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:07:45,790 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-28 09:07:45,790 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-28 09:07:45,790 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:07:45,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 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 09:07:45,792 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-28 09:07:45,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:07:45,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:07:45,797 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-28 09:07:45,797 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-28 09:07:45,804 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 11#L528true assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_strdup } true;strdup_#in~s#1.base, strdup_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc strdup_#res#1.base, strdup_#res#1.offset;havoc strdup_#t~ret9#1, strdup_#t~malloc10#1.base, strdup_#t~malloc10#1.offset, strdup_#t~ret11#1.base, strdup_#t~ret11#1.offset, strdup_~s#1.base, strdup_~s#1.offset, strdup_~l~0#1, strdup_~tmp~0#1.base, strdup_~tmp~0#1.offset;strdup_~s#1.base, strdup_~s#1.offset := strdup_#in~s#1.base, strdup_#in~s#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strdup_~s#1.base, strdup_~s#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre7#1, strlen_#t~pre6#1.base, strlen_#t~pre6#1.offset, strlen_#t~mem8#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 17#L516true assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 14#L517-4true [2021-12-28 09:07:45,804 INFO L793 eck$LassoCheckResult]: Loop: 14#L517-4true call strlen_#t~mem8#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 7#L517-1true assume !!(0 != strlen_#t~mem8#1);havoc strlen_#t~mem8#1;strlen_#t~pre7#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre7#1; 15#L517-3true strlen_#t~pre6#1.base, strlen_#t~pre6#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre6#1.base, strlen_#t~pre6#1.offset; 14#L517-4true [2021-12-28 09:07:45,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:07:45,817 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-12-28 09:07:45,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:07:45,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617147995] [2021-12-28 09:07:45,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:07:45,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:07:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:45,931 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:07:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:45,987 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:07:45,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:07:45,989 INFO L85 PathProgramCache]: Analyzing trace with hash 45841, now seen corresponding path program 1 times [2021-12-28 09:07:45,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:07:45,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331815848] [2021-12-28 09:07:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:07:45,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:07:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:46,008 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:07:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:46,025 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:07:46,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:07:46,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1806906826, now seen corresponding path program 1 times [2021-12-28 09:07:46,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:07:46,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501516741] [2021-12-28 09:07:46,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:07:46,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:07:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:46,063 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:07:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:46,100 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:07:46,533 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:07:46,533 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:07:46,534 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:07:46,534 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:07:46,534 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:07:46,534 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:46,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:07:46,534 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:07:46,535 INFO L133 ssoRankerPreferences]: Filename of dumped script: strdup.i_Iteration1_Lasso [2021-12-28 09:07:46,535 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:07:46,535 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:07:46,552 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 09:07:46,558 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 09:07:46,560 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 09:07:46,567 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 09:07:46,569 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 09:07:46,571 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 09:07:46,574 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 09:07:46,576 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 09:07:46,578 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 09:07:46,580 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 09:07:46,581 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 09:07:46,584 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 09:07:46,586 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 09:07:46,588 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 09:07:46,590 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 09:07:46,813 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 09:07:46,816 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 09:07:46,819 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 09:07:46,821 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 09:07:46,823 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 09:07:46,827 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 09:07:46,830 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 09:07:46,832 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 09:07:47,143 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:07:47,147 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:07:47,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,155 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 09:07:47,162 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 09:07:47,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:47,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:47,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:47,176 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 09:07:47,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-28 09:07:47,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,201 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 09:07:47,202 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 09:07:47,203 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 09:07:47,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:47,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:47,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:47,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,245 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 09:07:47,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,247 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 09:07:47,254 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 09:07:47,258 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 09:07:47,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:07:47,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:47,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,290 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 09:07:47,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,292 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 09:07:47,292 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 09:07:47,293 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 09:07:47,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:47,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:47,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:47,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,317 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 09:07:47,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,318 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 09:07:47,319 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 09:07:47,324 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 09:07:47,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:47,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:47,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:47,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,371 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 09:07:47,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,373 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 09:07:47,382 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 09:07:47,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:47,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:47,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:47,393 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 09:07:47,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-28 09:07:47,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,410 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 09:07:47,411 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 09:07:47,412 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 09:07:47,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:47,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:47,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:47,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,436 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 09:07:47,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,437 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 09:07:47,438 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 09:07:47,439 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 09:07:47,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:47,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:47,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:47,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,470 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 09:07:47,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,472 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 09:07:47,472 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 09:07:47,474 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 09:07:47,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:47,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:47,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:47,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,504 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 09:07:47,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,505 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 09:07:47,506 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 09:07:47,507 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 09:07:47,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:47,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:47,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:47,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,536 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 09:07:47,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,538 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 09:07:47,538 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 09:07:47,542 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 09:07:47,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:07:47,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:47,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,584 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 09:07:47,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,585 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 09:07:47,586 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 09:07:47,587 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 09:07:47,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:47,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:47,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:47,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-28 09:07:47,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,615 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 09:07:47,615 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 09:07:47,617 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 09:07:47,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:47,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:47,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:47,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-28 09:07:47,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,654 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 09:07:47,654 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 09:07:47,656 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 09:07:47,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:47,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:47,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:47,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,679 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 09:07:47,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,680 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 09:07:47,681 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 09:07:47,682 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 09:07:47,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:47,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,688 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-28 09:07:47,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,689 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-28 09:07:47,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:47,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-28 09:07:47,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,713 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 09:07:47,713 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 09:07:47,715 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 09:07:47,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:07:47,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:47,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:47,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-28 09:07:47,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,768 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 09:07:47,769 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 09:07:47,770 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 09:07:47,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:47,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:47,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:47,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:47,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:07:47,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:47,801 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:07:47,825 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-28 09:07:47,825 INFO L444 ModelExtractionUtils]: 23 out of 31 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-12-28 09:07:47,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:47,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:47,828 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 09:07:47,846 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 09:07:47,847 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:07:47,877 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-28 09:07:47,877 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:07:47,877 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlen_~s#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1) = -1*ULTIMATE.start_strlen_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1 Supporting invariants [] [2021-12-28 09:07:47,926 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 09:07:47,937 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2021-12-28 09:07:47,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:07:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:07:48,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-28 09:07:48,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:07:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:07:48,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-28 09:07:48,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:07:48,070 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 09:07:48,096 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 09:07:48,098 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:07:48,177 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 57 transitions. Complement of second has 7 states. [2021-12-28 09:07:48,184 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 09:07:48,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-28 09:07:48,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:07:48,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2021-12-28 09:07:48,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 3 letters. [2021-12-28 09:07:48,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:07:48,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 7 letters. Loop has 3 letters. [2021-12-28 09:07:48,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:07:48,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 6 letters. [2021-12-28 09:07:48,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:07:48,202 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2021-12-28 09:07:48,208 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-28 09:07:48,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 18 states and 21 transitions. [2021-12-28 09:07:48,212 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-28 09:07:48,212 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-28 09:07:48,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-12-28 09:07:48,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:07:48,214 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-12-28 09:07:48,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-12-28 09:07:48,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 14. [2021-12-28 09:07:48,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:07:48,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-12-28 09:07:48,235 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-12-28 09:07:48,235 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-12-28 09:07:48,235 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:07:48,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-12-28 09:07:48,237 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-28 09:07:48,237 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:07:48,237 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:07:48,238 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-28 09:07:48,238 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-28 09:07:48,238 INFO L791 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 135#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 132#L528 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_strdup } true;strdup_#in~s#1.base, strdup_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc strdup_#res#1.base, strdup_#res#1.offset;havoc strdup_#t~ret9#1, strdup_#t~malloc10#1.base, strdup_#t~malloc10#1.offset, strdup_#t~ret11#1.base, strdup_#t~ret11#1.offset, strdup_~s#1.base, strdup_~s#1.offset, strdup_~l~0#1, strdup_~tmp~0#1.base, strdup_~tmp~0#1.offset;strdup_~s#1.base, strdup_~s#1.offset := strdup_#in~s#1.base, strdup_#in~s#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strdup_~s#1.base, strdup_~s#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre7#1, strlen_#t~pre6#1.base, strlen_#t~pre6#1.offset, strlen_#t~mem8#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 133#L516 assume strlen_~s#1.base == 0 && strlen_~s#1.offset == 0;strlen_#res#1 := 0; 144#L518 strdup_#t~ret9#1 := strlen_#res#1;assume { :end_inline_strlen } true;strdup_~l~0#1 := 1 + strdup_#t~ret9#1;havoc strdup_#t~ret9#1;call strdup_#t~malloc10#1.base, strdup_#t~malloc10#1.offset := #Ultimate.allocOnHeap(strdup_~l~0#1);strdup_~tmp~0#1.base, strdup_~tmp~0#1.offset := strdup_#t~malloc10#1.base, strdup_#t~malloc10#1.offset;havoc strdup_#t~malloc10#1.base, strdup_#t~malloc10#1.offset; 136#L523 assume !(strdup_~tmp~0#1.base == 0 && strdup_~tmp~0#1.offset == 0);assume { :begin_inline_memcpy } true;memcpy_#in~dst#1.base, memcpy_#in~dst#1.offset, memcpy_#in~src#1.base, memcpy_#in~src#1.offset, memcpy_#in~n#1 := strdup_~tmp~0#1.base, strdup_~tmp~0#1.offset, strdup_~s#1.base, strdup_~s#1.offset, strdup_~l~0#1;havoc memcpy_#res#1.base, memcpy_#res#1.offset;havoc memcpy_#t~post3#1.base, memcpy_#t~post3#1.offset, memcpy_#t~post4#1.base, memcpy_#t~post4#1.offset, memcpy_#t~mem5#1, memcpy_#t~post2#1, memcpy_~dst#1.base, memcpy_~dst#1.offset, memcpy_~src#1.base, memcpy_~src#1.offset, memcpy_~n#1, memcpy_~res~0#1.base, memcpy_~res~0#1.offset, memcpy_~c1~0#1.base, memcpy_~c1~0#1.offset, memcpy_~c2~0#1.base, memcpy_~c2~0#1.offset;memcpy_~dst#1.base, memcpy_~dst#1.offset := memcpy_#in~dst#1.base, memcpy_#in~dst#1.offset;memcpy_~src#1.base, memcpy_~src#1.offset := memcpy_#in~src#1.base, memcpy_#in~src#1.offset;memcpy_~n#1 := memcpy_#in~n#1;memcpy_~res~0#1.base, memcpy_~res~0#1.offset := memcpy_~dst#1.base, memcpy_~dst#1.offset;havoc memcpy_~c1~0#1.base, memcpy_~c1~0#1.offset;havoc memcpy_~c2~0#1.base, memcpy_~c2~0#1.offset;memcpy_~c1~0#1.base, memcpy_~c1~0#1.offset := memcpy_~dst#1.base, memcpy_~dst#1.offset;memcpy_~c2~0#1.base, memcpy_~c2~0#1.offset := memcpy_~src#1.base, memcpy_~src#1.offset; 137#L511-3 [2021-12-28 09:07:48,239 INFO L793 eck$LassoCheckResult]: Loop: 137#L511-3 memcpy_#t~post2#1 := memcpy_~n#1;memcpy_~n#1 := memcpy_#t~post2#1 - 1; 145#L511-1 assume !!(0 != memcpy_#t~post2#1 % 18446744073709551616);havoc memcpy_#t~post2#1;memcpy_#t~post3#1.base, memcpy_#t~post3#1.offset := memcpy_~c1~0#1.base, memcpy_~c1~0#1.offset;memcpy_~c1~0#1.base, memcpy_~c1~0#1.offset := memcpy_#t~post3#1.base, 1 + memcpy_#t~post3#1.offset;memcpy_#t~post4#1.base, memcpy_#t~post4#1.offset := memcpy_~c2~0#1.base, memcpy_~c2~0#1.offset;memcpy_~c2~0#1.base, memcpy_~c2~0#1.offset := memcpy_#t~post4#1.base, 1 + memcpy_#t~post4#1.offset;call memcpy_#t~mem5#1 := read~int(memcpy_#t~post4#1.base, memcpy_#t~post4#1.offset, 1);call write~int(memcpy_#t~mem5#1, memcpy_#t~post3#1.base, memcpy_#t~post3#1.offset, 1);havoc memcpy_#t~post3#1.base, memcpy_#t~post3#1.offset;havoc memcpy_#t~post4#1.base, memcpy_#t~post4#1.offset;havoc memcpy_#t~mem5#1; 137#L511-3 [2021-12-28 09:07:48,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:07:48,240 INFO L85 PathProgramCache]: Analyzing trace with hash 889569803, now seen corresponding path program 1 times [2021-12-28 09:07:48,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:07:48,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555232356] [2021-12-28 09:07:48,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:07:48,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:07:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:07:48,301 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 09:07:48,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:07:48,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555232356] [2021-12-28 09:07:48,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555232356] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:07:48,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:07:48,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 09:07:48,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44069957] [2021-12-28 09:07:48,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:07:48,305 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-28 09:07:48,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:07:48,306 INFO L85 PathProgramCache]: Analyzing trace with hash 2214, now seen corresponding path program 1 times [2021-12-28 09:07:48,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:07:48,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15853573] [2021-12-28 09:07:48,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:07:48,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:07:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:48,314 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:07:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:48,328 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:07:48,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:07:48,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 09:07:48,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 09:07:48,420 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.5) 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 09:07:48,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:07:48,439 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2021-12-28 09:07:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 09:07:48,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2021-12-28 09:07:48,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-28 09:07:48,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 16 transitions. [2021-12-28 09:07:48,443 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-28 09:07:48,443 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-28 09:07:48,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2021-12-28 09:07:48,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:07:48,444 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-12-28 09:07:48,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2021-12-28 09:07:48,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-12-28 09:07:48,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 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 09:07:48,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-12-28 09:07:48,446 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-12-28 09:07:48,446 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-12-28 09:07:48,446 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-28 09:07:48,446 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2021-12-28 09:07:48,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-28 09:07:48,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:07:48,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:07:48,449 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:07:48,449 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-28 09:07:48,449 INFO L791 eck$LassoCheckResult]: Stem: 171#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 172#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 169#L528 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_strdup } true;strdup_#in~s#1.base, strdup_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc strdup_#res#1.base, strdup_#res#1.offset;havoc strdup_#t~ret9#1, strdup_#t~malloc10#1.base, strdup_#t~malloc10#1.offset, strdup_#t~ret11#1.base, strdup_#t~ret11#1.offset, strdup_~s#1.base, strdup_~s#1.offset, strdup_~l~0#1, strdup_~tmp~0#1.base, strdup_~tmp~0#1.offset;strdup_~s#1.base, strdup_~s#1.offset := strdup_#in~s#1.base, strdup_#in~s#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strdup_~s#1.base, strdup_~s#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre7#1, strlen_#t~pre6#1.base, strlen_#t~pre6#1.offset, strlen_#t~mem8#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 170#L516 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 175#L517-4 call strlen_#t~mem8#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 177#L517-1 assume !(0 != strlen_#t~mem8#1);havoc strlen_#t~mem8#1; 179#L517-5 strlen_#res#1 := strlen_~i~0#1; 181#L518 strdup_#t~ret9#1 := strlen_#res#1;assume { :end_inline_strlen } true;strdup_~l~0#1 := 1 + strdup_#t~ret9#1;havoc strdup_#t~ret9#1;call strdup_#t~malloc10#1.base, strdup_#t~malloc10#1.offset := #Ultimate.allocOnHeap(strdup_~l~0#1);strdup_~tmp~0#1.base, strdup_~tmp~0#1.offset := strdup_#t~malloc10#1.base, strdup_#t~malloc10#1.offset;havoc strdup_#t~malloc10#1.base, strdup_#t~malloc10#1.offset; 173#L523 assume !(strdup_~tmp~0#1.base == 0 && strdup_~tmp~0#1.offset == 0);assume { :begin_inline_memcpy } true;memcpy_#in~dst#1.base, memcpy_#in~dst#1.offset, memcpy_#in~src#1.base, memcpy_#in~src#1.offset, memcpy_#in~n#1 := strdup_~tmp~0#1.base, strdup_~tmp~0#1.offset, strdup_~s#1.base, strdup_~s#1.offset, strdup_~l~0#1;havoc memcpy_#res#1.base, memcpy_#res#1.offset;havoc memcpy_#t~post3#1.base, memcpy_#t~post3#1.offset, memcpy_#t~post4#1.base, memcpy_#t~post4#1.offset, memcpy_#t~mem5#1, memcpy_#t~post2#1, memcpy_~dst#1.base, memcpy_~dst#1.offset, memcpy_~src#1.base, memcpy_~src#1.offset, memcpy_~n#1, memcpy_~res~0#1.base, memcpy_~res~0#1.offset, memcpy_~c1~0#1.base, memcpy_~c1~0#1.offset, memcpy_~c2~0#1.base, memcpy_~c2~0#1.offset;memcpy_~dst#1.base, memcpy_~dst#1.offset := memcpy_#in~dst#1.base, memcpy_#in~dst#1.offset;memcpy_~src#1.base, memcpy_~src#1.offset := memcpy_#in~src#1.base, memcpy_#in~src#1.offset;memcpy_~n#1 := memcpy_#in~n#1;memcpy_~res~0#1.base, memcpy_~res~0#1.offset := memcpy_~dst#1.base, memcpy_~dst#1.offset;havoc memcpy_~c1~0#1.base, memcpy_~c1~0#1.offset;havoc memcpy_~c2~0#1.base, memcpy_~c2~0#1.offset;memcpy_~c1~0#1.base, memcpy_~c1~0#1.offset := memcpy_~dst#1.base, memcpy_~dst#1.offset;memcpy_~c2~0#1.base, memcpy_~c2~0#1.offset := memcpy_~src#1.base, memcpy_~src#1.offset; 174#L511-3 [2021-12-28 09:07:48,449 INFO L793 eck$LassoCheckResult]: Loop: 174#L511-3 memcpy_#t~post2#1 := memcpy_~n#1;memcpy_~n#1 := memcpy_#t~post2#1 - 1; 182#L511-1 assume !!(0 != memcpy_#t~post2#1 % 18446744073709551616);havoc memcpy_#t~post2#1;memcpy_#t~post3#1.base, memcpy_#t~post3#1.offset := memcpy_~c1~0#1.base, memcpy_~c1~0#1.offset;memcpy_~c1~0#1.base, memcpy_~c1~0#1.offset := memcpy_#t~post3#1.base, 1 + memcpy_#t~post3#1.offset;memcpy_#t~post4#1.base, memcpy_#t~post4#1.offset := memcpy_~c2~0#1.base, memcpy_~c2~0#1.offset;memcpy_~c2~0#1.base, memcpy_~c2~0#1.offset := memcpy_#t~post4#1.base, 1 + memcpy_#t~post4#1.offset;call memcpy_#t~mem5#1 := read~int(memcpy_#t~post4#1.base, memcpy_#t~post4#1.offset, 1);call write~int(memcpy_#t~mem5#1, memcpy_#t~post3#1.base, memcpy_#t~post3#1.offset, 1);havoc memcpy_#t~post3#1.base, memcpy_#t~post3#1.offset;havoc memcpy_#t~post4#1.base, memcpy_#t~post4#1.offset;havoc memcpy_#t~mem5#1; 174#L511-3 [2021-12-28 09:07:48,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:07:48,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1270617397, now seen corresponding path program 1 times [2021-12-28 09:07:48,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:07:48,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103330407] [2021-12-28 09:07:48,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:07:48,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:07:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:48,463 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:07:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:48,476 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:07:48,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:07:48,476 INFO L85 PathProgramCache]: Analyzing trace with hash 2214, now seen corresponding path program 2 times [2021-12-28 09:07:48,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:07:48,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681615314] [2021-12-28 09:07:48,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:07:48,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:07:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:48,482 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:07:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:48,487 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:07:48,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:07:48,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1292607706, now seen corresponding path program 1 times [2021-12-28 09:07:48,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:07:48,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533197978] [2021-12-28 09:07:48,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:07:48,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:07:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:48,507 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:07:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:07:48,525 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:07:49,425 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:07:49,426 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:07:49,426 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:07:49,426 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:07:49,426 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:07:49,426 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:49,426 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:07:49,426 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:07:49,426 INFO L133 ssoRankerPreferences]: Filename of dumped script: strdup.i_Iteration3_Lasso [2021-12-28 09:07:49,426 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:07:49,426 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:07:49,430 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 09:07:49,433 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 09:07:49,435 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 09:07:49,436 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 09:07:49,439 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 09:07:49,443 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 09:07:49,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:07:49,447 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 09:07:49,449 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 09:07:49,451 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 09:07:49,452 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 09:07:49,454 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 09:07:49,456 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 09:07:49,458 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 09:07:49,461 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 09:07:49,463 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 09:07:49,465 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 09:07:49,466 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 09:07:49,468 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 09:07:49,470 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 09:07:49,472 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 09:07:49,473 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 09:07:50,249 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 09:07:50,252 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 09:07:50,253 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 09:07:50,256 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 09:07:50,258 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 09:07:51,183 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:07:51,184 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:07:51,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,188 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 09:07:51,190 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 09:07:51,190 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 09:07:51,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,214 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 09:07:51,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,215 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 09:07:51,216 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 09:07:51,217 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 09:07:51,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,242 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 09:07:51,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,244 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 09:07:51,248 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 09:07:51,248 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 09:07:51,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,271 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 09:07:51,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,273 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 09:07:51,273 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 09:07:51,274 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 09:07:51,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:07:51,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:51,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-28 09:07:51,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,316 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 09:07:51,316 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 09:07:51,318 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 09:07:51,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-28 09:07:51,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,373 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 09:07:51,380 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 09:07:51,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,387 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 09:07:51,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-28 09:07:51,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,407 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 09:07:51,408 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 09:07:51,410 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 09:07:51,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:07:51,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:51,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-28 09:07:51,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,467 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 09:07:51,468 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 09:07:51,469 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 09:07:51,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,493 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 09:07:51,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,494 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 09:07:51,494 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 09:07:51,496 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 09:07:51,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,518 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 09:07:51,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,520 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 09:07:51,520 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 09:07:51,522 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 09:07:51,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-28 09:07:51,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,546 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 09:07:51,546 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 09:07:51,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:07:51,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-28 09:07:51,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,572 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 09:07:51,573 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 09:07:51,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:07:51,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-28 09:07:51,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,598 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 09:07:51,599 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 09:07:51,600 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 09:07:51,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-28 09:07:51,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,625 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 09:07:51,625 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 09:07:51,627 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 09:07:51,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:07:51,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:51,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,683 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 09:07:51,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,685 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 09:07:51,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:07:51,687 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 09:07:51,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,711 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 09:07:51,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,712 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 09:07:51,713 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 09:07:51,758 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 09:07:51,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,783 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 09:07:51,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,785 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 09:07:51,785 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 09:07:51,786 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 09:07:51,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,843 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 09:07:51,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,868 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 09:07:51,868 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 09:07:51,870 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 09:07:51,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-28 09:07:51,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,895 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 09:07:51,903 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 09:07:51,904 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 09:07:51,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,927 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 09:07:51,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,930 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 09:07:51,932 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 09:07:51,932 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 09:07:51,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,959 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 09:07:51,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,960 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 09:07:51,965 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 09:07:51,965 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 09:07:51,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:51,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:51,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:51,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:51,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:51,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-28 09:07:51,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:51,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:51,990 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 09:07:51,991 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 09:07:51,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:07:51,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:51,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:51,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:51,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:52,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:07:52,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:52,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:52,046 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 09:07:52,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:52,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:52,048 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 09:07:52,050 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 09:07:52,050 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 09:07:52,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:52,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:52,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:52,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:52,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:07:52,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:52,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:52,076 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 09:07:52,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:52,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:52,077 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 09:07:52,078 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 09:07:52,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:07:52,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:52,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:52,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:52,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:52,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:07:52,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:52,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:52,107 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 09:07:52,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:52,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:52,108 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 09:07:52,109 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 09:07:52,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-28 09:07:52,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:52,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:52,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:52,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:52,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:52,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:52,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:52,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:52,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-28 09:07:52,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:52,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:52,136 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:07:52,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-28 09:07:52,137 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 09:07:52,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:52,144 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-28 09:07:52,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:52,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:52,161 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-12-28 09:07:52,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:52,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:52,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-12-28 09:07:52,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:52,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:52,205 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 09:07:52,208 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 09:07:52,217 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 09:07:52,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:52,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:52,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:52,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:52,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:07:52,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:52,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:52,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-28 09:07:52,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:52,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:52,247 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 09:07:52,247 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 09:07:52,248 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 09:07:52,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:52,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:07:52,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:52,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:52,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:52,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:07:52,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:07:52,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:52,272 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 09:07:52,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:52,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:52,273 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 09:07:52,274 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 09:07:52,276 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 09:07:52,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:52,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:52,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:52,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:52,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:07:52,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:52,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:07:52,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-28 09:07:52,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:52,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:52,307 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 09:07:52,308 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 09:07:52,309 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 09:07:52,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:07:52,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:07:52,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:07:52,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:07:52,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:07:52,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:07:52,375 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:07:52,414 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-12-28 09:07:52,414 INFO L444 ModelExtractionUtils]: 65 out of 76 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-12-28 09:07:52,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:07:52,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:07:52,419 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 09:07:52,428 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:07:52,436 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 09:07:52,445 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-28 09:07:52,445 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:07:52,445 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strdup_~tmp~0#1.base)_1, ULTIMATE.start_memcpy_~c1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_strdup_~tmp~0#1.base)_1 - 1*ULTIMATE.start_memcpy_~c1~0#1.offset Supporting invariants [] [2021-12-28 09:07:52,468 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 09:07:52,539 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2021-12-28 09:07:52,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:07:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:07:52,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-28 09:07:52,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:07:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:07:52,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-28 09:07:52,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:07:52,614 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 09:07:52,614 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-28 09:07:52,615 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:07:52,633 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 19 transitions. Complement of second has 4 states. [2021-12-28 09:07:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-28 09:07:52,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:07:52,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-12-28 09:07:52,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-28 09:07:52,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:07:52,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2021-12-28 09:07:52,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:07:52,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2021-12-28 09:07:52,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:07:52,636 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-12-28 09:07:52,636 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:07:52,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2021-12-28 09:07:52,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-28 09:07:52,637 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-28 09:07:52,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-28 09:07:52,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:07:52,637 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:07:52,637 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:07:52,637 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:07:52,637 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-28 09:07:52,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-28 09:07:52,638 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:07:52,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-28 09:07:52,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.12 09:07:52 BoogieIcfgContainer [2021-12-28 09:07:52,653 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-28 09:07:52,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 09:07:52,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 09:07:52,654 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 09:07:52,655 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:07:45" (3/4) ... [2021-12-28 09:07:52,657 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-28 09:07:52,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 09:07:52,657 INFO L158 Benchmark]: Toolchain (without parser) took 7837.08ms. Allocated memory was 54.5MB in the beginning and 98.6MB in the end (delta: 44.0MB). Free memory was 30.6MB in the beginning and 74.1MB in the end (delta: -43.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2021-12-28 09:07:52,657 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 39.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:07:52,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.73ms. Allocated memory is still 54.5MB. Free memory was 30.4MB in the beginning and 28.2MB in the end (delta: 2.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-12-28 09:07:52,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.22ms. Allocated memory is still 54.5MB. Free memory was 28.2MB in the beginning and 26.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:07:52,658 INFO L158 Benchmark]: Boogie Preprocessor took 49.16ms. Allocated memory is still 54.5MB. Free memory was 26.2MB in the beginning and 24.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:07:52,659 INFO L158 Benchmark]: RCFGBuilder took 377.52ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 24.8MB in the beginning and 39.3MB in the end (delta: -14.5MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2021-12-28 09:07:52,659 INFO L158 Benchmark]: BuchiAutomizer took 6934.27ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 39.3MB in the beginning and 74.1MB in the end (delta: -34.8MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2021-12-28 09:07:52,660 INFO L158 Benchmark]: Witness Printer took 2.84ms. Allocated memory is still 98.6MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:07:52,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 39.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.73ms. Allocated memory is still 54.5MB. Free memory was 30.4MB in the beginning and 28.2MB in the end (delta: 2.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.22ms. Allocated memory is still 54.5MB. Free memory was 28.2MB in the beginning and 26.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.16ms. Allocated memory is still 54.5MB. Free memory was 26.2MB in the beginning and 24.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 377.52ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 24.8MB in the beginning and 39.3MB in the end (delta: -14.5MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 6934.27ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 39.3MB in the beginning and 74.1MB in the end (delta: -34.8MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Witness Printer took 2.84ms. Allocated memory is still 98.6MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[tmp] + -1 * c1 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 37 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital194 mio100 ax100 hnf100 lsp92 ukn96 mio100 lsp49 div114 bol100 ite100 ukn100 eq192 hnf89 smp92 dnf100 smp100 tf100 neg99 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 15 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-28 09:07:52,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-28 09:07:52,907 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 Writing output log to file Ultimate.log Result: TRUE