./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d450427152972d80716d02c80706dd3b248a3fc7c05c71ffd29d66e32e1e82f2 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 10:17:17,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 10:17:17,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 10:17:17,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 10:17:17,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 10:17:17,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 10:17:17,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 10:17:17,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 10:17:17,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 10:17:17,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 10:17:17,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 10:17:17,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 10:17:17,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 10:17:17,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 10:17:17,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 10:17:17,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 10:17:17,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 10:17:17,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 10:17:17,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 10:17:17,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 10:17:17,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 10:17:17,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 10:17:17,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 10:17:17,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 10:17:17,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 10:17:17,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 10:17:17,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 10:17:17,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 10:17:17,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 10:17:17,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 10:17:17,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 10:17:17,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 10:17:17,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 10:17:17,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 10:17:17,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 10:17:17,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 10:17:17,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 10:17:17,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 10:17:17,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 10:17:17,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 10:17:17,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 10:17:17,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 10:17:17,439 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 10:17:17,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 10:17:17,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 10:17:17,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 10:17:17,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 10:17:17,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 10:17:17,441 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 10:17:17,442 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 10:17:17,442 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 10:17:17,442 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 10:17:17,443 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 10:17:17,443 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 10:17:17,443 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 10:17:17,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 10:17:17,443 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 10:17:17,444 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 10:17:17,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 10:17:17,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 10:17:17,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 10:17:17,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 10:17:17,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 10:17:17,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 10:17:17,445 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 10:17:17,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 10:17:17,445 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 10:17:17,445 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 10:17:17,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 10:17:17,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 10:17:17,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 10:17:17,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 10:17:17,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 10:17:17,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 10:17:17,448 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 10:17:17,448 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d450427152972d80716d02c80706dd3b248a3fc7c05c71ffd29d66e32e1e82f2 [2021-12-16 10:17:17,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 10:17:17,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 10:17:17,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 10:17:17,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 10:17:17,694 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 10:17:17,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2021-12-16 10:17:17,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0c2f500/e941926304ca47eeb42fd18687a8fff8/FLAG72b2f0b25 [2021-12-16 10:17:18,237 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 10:17:18,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2021-12-16 10:17:18,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0c2f500/e941926304ca47eeb42fd18687a8fff8/FLAG72b2f0b25 [2021-12-16 10:17:18,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd0c2f500/e941926304ca47eeb42fd18687a8fff8 [2021-12-16 10:17:18,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 10:17:18,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 10:17:18,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 10:17:18,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 10:17:18,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 10:17:18,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:17:18" (1/1) ... [2021-12-16 10:17:18,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d20bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:18, skipping insertion in model container [2021-12-16 10:17:18,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:17:18" (1/1) ... [2021-12-16 10:17:18,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 10:17:18,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 10:17:18,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 10:17:18,988 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 10:17:19,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 10:17:19,062 INFO L208 MainTranslator]: Completed translation [2021-12-16 10:17:19,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:19 WrapperNode [2021-12-16 10:17:19,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 10:17:19,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 10:17:19,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 10:17:19,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 10:17:19,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:19" (1/1) ... [2021-12-16 10:17:19,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:19" (1/1) ... [2021-12-16 10:17:19,114 INFO L137 Inliner]: procedures = 117, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2021-12-16 10:17:19,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 10:17:19,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 10:17:19,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 10:17:19,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 10:17:19,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:19" (1/1) ... [2021-12-16 10:17:19,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:19" (1/1) ... [2021-12-16 10:17:19,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:19" (1/1) ... [2021-12-16 10:17:19,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:19" (1/1) ... [2021-12-16 10:17:19,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:19" (1/1) ... [2021-12-16 10:17:19,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:19" (1/1) ... [2021-12-16 10:17:19,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:19" (1/1) ... [2021-12-16 10:17:19,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 10:17:19,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 10:17:19,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 10:17:19,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 10:17:19,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:19" (1/1) ... [2021-12-16 10:17:19,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:19,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:19,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:19,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-16 10:17:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 10:17:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 10:17:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 10:17:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 10:17:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 10:17:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 10:17:19,367 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 10:17:19,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 10:17:19,490 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 10:17:19,495 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 10:17:19,495 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-16 10:17:19,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:17:19 BoogieIcfgContainer [2021-12-16 10:17:19,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 10:17:19,497 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 10:17:19,497 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 10:17:19,502 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 10:17:19,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:17:19,503 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 10:17:18" (1/3) ... [2021-12-16 10:17:19,504 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1492d2f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 10:17:19, skipping insertion in model container [2021-12-16 10:17:19,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:17:19,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:19" (2/3) ... [2021-12-16 10:17:19,504 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1492d2f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 10:17:19, skipping insertion in model container [2021-12-16 10:17:19,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:17:19,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:17:19" (3/3) ... [2021-12-16 10:17:19,505 INFO L388 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrpbrk-alloca-2.i [2021-12-16 10:17:19,542 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 10:17:19,543 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 10:17:19,543 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 10:17:19,543 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 10:17:19,543 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 10:17:19,543 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 10:17:19,543 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 10:17:19,544 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 10:17:19,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.55) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:19,571 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-12-16 10:17:19,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:19,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:19,576 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-16 10:17:19,576 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 10:17:19,576 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 10:17:19,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.55) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:19,578 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-12-16 10:17:19,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:19,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:19,579 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-16 10:17:19,579 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 10:17:19,585 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; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 12#L528true assume !(main_~length1~0#1 < 1); 7#L528-2true assume !(main_~length2~0#1 < 1); 13#L531-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 6#L537-3true [2021-12-16 10:17:19,585 INFO L793 eck$LassoCheckResult]: Loop: 6#L537-3true assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 15#L537-2true main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 6#L537-3true [2021-12-16 10:17:19,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:19,590 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-12-16 10:17:19,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:19,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709464460] [2021-12-16 10:17:19,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:19,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:19,700 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:19,747 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:19,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:19,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-12-16 10:17:19,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:19,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943538269] [2021-12-16 10:17:19,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:19,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:19,777 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:19,790 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:19,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:19,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-12-16 10:17:19,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:19,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838074996] [2021-12-16 10:17:19,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:19,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:19,834 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:19,866 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:20,272 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:17:20,272 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:17:20,273 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:17:20,273 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:17:20,273 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:17:20,273 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:20,273 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:17:20,273 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:17:20,274 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-2.i_Iteration1_Lasso [2021-12-16 10:17:20,274 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:17:20,274 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:17:20,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:20,762 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:17:20,766 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:17:20,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:20,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:20,775 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) [2021-12-16 10:17:20,783 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 [2021-12-16 10:17:20,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:20,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:20,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:20,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:20,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:20,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:20,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:20,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:20,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:20,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-16 10:17:20,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:20,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:20,848 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) [2021-12-16 10:17:20,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:20,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:20,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:20,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:20,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:20,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:20,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:20,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:20,870 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 [2021-12-16 10:17:20,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:20,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:20,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:20,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:20,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:20,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:20,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-16 10:17:20,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:20,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:20,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:20,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:20,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:20,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:20,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:20,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:20,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:20,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:20,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:20,928 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:20,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-16 10:17:20,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:20,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:20,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:20,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:20,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:20,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:20,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:20,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:20,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:20,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:20,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:20,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:20,957 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:20,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-16 10:17:20,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:20,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:20,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:20,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:20,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:20,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:20,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:21,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:21,027 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 [2021-12-16 10:17:21,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:21,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:21,030 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:21,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-16 10:17:21,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:21,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:21,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:21,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:21,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:21,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:21,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:21,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:21,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:21,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:21,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:21,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:21,060 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) [2021-12-16 10:17:21,061 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 [2021-12-16 10:17:21,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:21,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:21,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:21,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:21,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:21,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:21,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:21,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:21,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:21,124 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 [2021-12-16 10:17:21,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:21,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:21,126 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) [2021-12-16 10:17:21,126 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 [2021-12-16 10:17:21,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:21,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:21,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:21,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:21,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:21,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:21,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:21,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:21,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:21,154 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 [2021-12-16 10:17:21,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:21,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:21,155 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) [2021-12-16 10:17:21,159 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 [2021-12-16 10:17:21,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:21,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:21,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:21,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:21,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:21,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:21,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:21,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:21,206 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 [2021-12-16 10:17:21,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:21,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:21,208 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:21,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-16 10:17:21,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:21,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:21,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:21,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:21,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:21,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:21,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:21,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:21,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:21,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:21,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:21,245 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:21,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-16 10:17:21,248 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 [2021-12-16 10:17:21,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:21,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:21,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:21,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:21,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:21,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:21,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:21,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:21,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:21,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:21,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:21,281 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:21,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-16 10:17:21,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:21,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:21,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:21,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:21,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:21,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:21,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:21,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:21,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:21,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:21,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:21,325 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:21,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-16 10:17:21,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:21,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:21,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:21,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:21,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:21,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:21,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:21,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:21,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:21,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:21,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:21,389 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) [2021-12-16 10:17:21,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:21,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:21,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:21,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:21,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:21,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:21,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:21,411 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 [2021-12-16 10:17:21,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:21,452 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 [2021-12-16 10:17:21,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:21,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:21,454 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) [2021-12-16 10:17:21,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:21,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:21,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:21,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:21,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:21,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:21,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:21,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:21,473 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 [2021-12-16 10:17:21,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:21,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-16 10:17:21,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:21,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:21,492 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) [2021-12-16 10:17:21,492 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 [2021-12-16 10:17:21,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:21,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:21,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:21,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:21,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:21,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:21,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:21,564 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:17:21,590 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-16 10:17:21,590 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-12-16 10:17:21,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:21,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:21,603 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:21,632 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:17:21,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-16 10:17:21,673 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-16 10:17:21,673 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:17:21,673 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nondetString1~0#1.offset, ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1) = -1*ULTIMATE.start_main_~nondetString1~0#1.offset - 1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 Supporting invariants [] [2021-12-16 10:17:21,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:21,713 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-12-16 10:17:21,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:21,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 10:17:21,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:21,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 10:17:21,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:21,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:21,846 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 10:17:21,847 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.55) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:21,907 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.55) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 51 states and 75 transitions. Complement of second has 7 states. [2021-12-16 10:17:21,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:21,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:21,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2021-12-16 10:17:21,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-16 10:17:21,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:21,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-16 10:17:21,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:21,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 5 letters. Loop has 4 letters. [2021-12-16 10:17:21,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:21,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 75 transitions. [2021-12-16 10:17:21,920 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-16 10:17:21,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 17 states and 23 transitions. [2021-12-16 10:17:21,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-16 10:17:21,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-16 10:17:21,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2021-12-16 10:17:21,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:21,925 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-16 10:17:21,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2021-12-16 10:17:21,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-16 10:17:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:21,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-12-16 10:17:21,946 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-16 10:17:21,947 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-16 10:17:21,947 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 10:17:21,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-12-16 10:17:21,948 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-16 10:17:21,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:21,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:21,949 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:21,949 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 10:17:21,949 INFO L791 eck$LassoCheckResult]: Stem: 144#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 153#L528 assume !(main_~length1~0#1 < 1); 151#L528-2 assume !(main_~length2~0#1 < 1); 152#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 148#L537-3 assume !(main_~i~0#1 < main_~length1~0#1); 146#L537-4 main_~i~1#1 := 0; 147#L541-3 [2021-12-16 10:17:21,950 INFO L793 eck$LassoCheckResult]: Loop: 147#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 159#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 147#L541-3 [2021-12-16 10:17:21,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:21,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-12-16 10:17:21,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:21,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338903235] [2021-12-16 10:17:21,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:21,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:21,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:21,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:17:21,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338903235] [2021-12-16 10:17:21,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338903235] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:17:21,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:17:21,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 10:17:21,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220552979] [2021-12-16 10:17:21,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:17:22,000 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 10:17:22,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:22,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-12-16 10:17:22,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:22,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697778931] [2021-12-16 10:17:22,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:22,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:22,007 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:22,011 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:22,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:17:22,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 10:17:22,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-16 10:17:22,050 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:22,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:17:22,069 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-12-16 10:17:22,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 10:17:22,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-12-16 10:17:22,071 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-16 10:17:22,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2021-12-16 10:17:22,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-16 10:17:22,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-16 10:17:22,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2021-12-16 10:17:22,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:22,072 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-12-16 10:17:22,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2021-12-16 10:17:22,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-12-16 10:17:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:22,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-12-16 10:17:22,074 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-12-16 10:17:22,074 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-12-16 10:17:22,074 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 10:17:22,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-12-16 10:17:22,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-12-16 10:17:22,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:22,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:22,075 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:22,075 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 10:17:22,076 INFO L791 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 187#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 195#L528 assume !(main_~length1~0#1 < 1); 193#L528-2 assume !(main_~length2~0#1 < 1); 194#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 190#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 191#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 192#L537-3 assume !(main_~i~0#1 < main_~length1~0#1); 188#L537-4 main_~i~1#1 := 0; 189#L541-3 [2021-12-16 10:17:22,076 INFO L793 eck$LassoCheckResult]: Loop: 189#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 201#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 189#L541-3 [2021-12-16 10:17:22,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:22,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1298440016, now seen corresponding path program 1 times [2021-12-16 10:17:22,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:22,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736905011] [2021-12-16 10:17:22,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:22,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:22,089 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:22,099 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:22,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:22,100 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 2 times [2021-12-16 10:17:22,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:22,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96913775] [2021-12-16 10:17:22,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:22,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:22,106 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:22,109 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:22,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:22,110 INFO L85 PathProgramCache]: Analyzing trace with hash -2034626574, now seen corresponding path program 1 times [2021-12-16 10:17:22,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:22,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850969608] [2021-12-16 10:17:22,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:22,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:22,125 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:22,138 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:22,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:22,514 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:17:22,514 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:17:22,514 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:17:22,514 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:17:22,514 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:17:22,515 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:22,515 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:17:22,515 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:17:22,515 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-2.i_Iteration3_Lasso [2021-12-16 10:17:22,515 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:17:22,515 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:17:22,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:22,948 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:17:22,948 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:17:22,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:22,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:22,952 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:22,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-16 10:17:22,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:22,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:22,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:22,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:22,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:22,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:22,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:22,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:22,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:23,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:23,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:23,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:23,002 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:23,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:23,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:23,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:23,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:23,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:23,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:23,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:23,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-16 10:17:23,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:23,058 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 [2021-12-16 10:17:23,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:23,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:23,060 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:23,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-16 10:17:23,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:23,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:23,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:23,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:23,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:23,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:23,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:23,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:23,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:23,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:23,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:23,127 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) [2021-12-16 10:17:23,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:23,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:23,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:23,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:23,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:23,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:23,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:23,144 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 [2021-12-16 10:17:23,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:23,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:23,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:23,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:23,184 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) [2021-12-16 10:17:23,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:23,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:23,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:23,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:23,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:23,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:23,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:23,201 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 [2021-12-16 10:17:23,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:23,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:23,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:23,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:23,239 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:23,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:23,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:23,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:23,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:23,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:23,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:23,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:23,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:23,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-16 10:17:23,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:23,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:23,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:23,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:23,295 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:23,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:23,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:23,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:23,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:23,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:23,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:23,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:23,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-16 10:17:23,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:23,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:23,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:23,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:23,357 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:23,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-16 10:17:23,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:23,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:23,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:23,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:23,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:23,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:23,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:23,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:23,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:23,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:23,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:23,410 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:23,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:23,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:23,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:23,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:23,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:23,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-16 10:17:23,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:23,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:23,451 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:17:23,477 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-12-16 10:17:23,477 INFO L444 ModelExtractionUtils]: 8 out of 34 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-12-16 10:17:23,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:23,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:23,480 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:23,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-16 10:17:23,484 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:17:23,500 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-16 10:17:23,500 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:17:23,500 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2021-12-16 10:17:23,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:23,540 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-12-16 10:17:23,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:23,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 10:17:23,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:23,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 10:17:23,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:23,609 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 10:17:23,610 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8 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) [2021-12-16 10:17:23,625 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8. 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 25 states and 35 transitions. Complement of second has 6 states. [2021-12-16 10:17:23,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:23,627 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) [2021-12-16 10:17:23,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-12-16 10:17:23,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-16 10:17:23,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:23,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 11 letters. Loop has 2 letters. [2021-12-16 10:17:23,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:23,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 4 letters. [2021-12-16 10:17:23,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:23,657 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 35 transitions. [2021-12-16 10:17:23,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-16 10:17:23,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 24 transitions. [2021-12-16 10:17:23,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-16 10:17:23,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-16 10:17:23,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2021-12-16 10:17:23,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:23,662 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-12-16 10:17:23,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2021-12-16 10:17:23,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-12-16 10:17:23,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) 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) [2021-12-16 10:17:23,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-12-16 10:17:23,664 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-12-16 10:17:23,664 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-12-16 10:17:23,664 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-16 10:17:23,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2021-12-16 10:17:23,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-16 10:17:23,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:23,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:23,665 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:23,665 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 10:17:23,666 INFO L791 eck$LassoCheckResult]: Stem: 312#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 313#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 321#L528 assume !(main_~length1~0#1 < 1); 319#L528-2 assume !(main_~length2~0#1 < 1); 320#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 316#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 317#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 318#L537-3 assume !(main_~i~0#1 < main_~length1~0#1); 314#L537-4 main_~i~1#1 := 0; 315#L541-3 assume !(main_~i~1#1 < main_~length2~0#1); 322#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 323#L519-4 [2021-12-16 10:17:23,666 INFO L793 eck$LassoCheckResult]: Loop: 323#L519-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 329#L518-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 325#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 326#L519-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 323#L519-4 [2021-12-16 10:17:23,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:23,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 1 times [2021-12-16 10:17:23,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:23,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044831680] [2021-12-16 10:17:23,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:23,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:23,693 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 [2021-12-16 10:17:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 10:17:23,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:17:23,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044831680] [2021-12-16 10:17:23,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044831680] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:17:23,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:17:23,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 10:17:23,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599680651] [2021-12-16 10:17:23,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:17:23,708 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 10:17:23,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:23,709 INFO L85 PathProgramCache]: Analyzing trace with hash 2406249, now seen corresponding path program 1 times [2021-12-16 10:17:23,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:23,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067732285] [2021-12-16 10:17:23,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:23,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:23,715 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:23,721 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:23,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:17:23,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 10:17:23,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-16 10:17:23,846 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2021-12-16 10:17:23,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:17:23,867 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2021-12-16 10:17:23,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 10:17:23,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2021-12-16 10:17:23,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-16 10:17:23,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 24 transitions. [2021-12-16 10:17:23,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-16 10:17:23,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-16 10:17:23,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2021-12-16 10:17:23,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:23,874 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-12-16 10:17:23,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2021-12-16 10:17:23,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-12-16 10:17:23,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:23,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2021-12-16 10:17:23,877 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-12-16 10:17:23,878 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-12-16 10:17:23,878 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-16 10:17:23,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2021-12-16 10:17:23,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-16 10:17:23,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:23,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:23,880 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:23,880 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 10:17:23,880 INFO L791 eck$LassoCheckResult]: Stem: 356#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 357#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 365#L528 assume !(main_~length1~0#1 < 1); 363#L528-2 assume !(main_~length2~0#1 < 1); 364#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 360#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 361#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 362#L537-3 assume !(main_~i~0#1 < main_~length1~0#1); 358#L537-4 main_~i~1#1 := 0; 359#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 371#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 372#L541-3 assume !(main_~i~1#1 < main_~length2~0#1); 368#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 369#L519-4 [2021-12-16 10:17:23,880 INFO L793 eck$LassoCheckResult]: Loop: 369#L519-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 373#L518-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 367#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 370#L519-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 369#L519-4 [2021-12-16 10:17:23,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:23,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2021-12-16 10:17:23,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:23,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181390838] [2021-12-16 10:17:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:23,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:23,918 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:23,949 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:23,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:23,953 INFO L85 PathProgramCache]: Analyzing trace with hash 2406249, now seen corresponding path program 2 times [2021-12-16 10:17:23,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:23,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424312808] [2021-12-16 10:17:23,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:23,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:23,961 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:23,970 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:23,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:23,971 INFO L85 PathProgramCache]: Analyzing trace with hash -796589374, now seen corresponding path program 1 times [2021-12-16 10:17:23,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:23,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925455651] [2021-12-16 10:17:23,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:23,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:24,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 10:17:24,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:17:24,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925455651] [2021-12-16 10:17:24,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925455651] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 10:17:24,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712139076] [2021-12-16 10:17:24,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:24,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 10:17:24,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:24,224 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 10:17:24,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-12-16 10:17:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:24,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 36 conjunts are in the unsatisfiable core [2021-12-16 10:17:24,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:24,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-16 10:17:24,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2021-12-16 10:17:24,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-12-16 10:17:24,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-16 10:17:24,621 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-16 10:17:24,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 10 [2021-12-16 10:17:24,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 10:17:24,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 10:17:24,712 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-16 10:17:24,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2021-12-16 10:17:24,721 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-16 10:17:24,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2021-12-16 10:17:24,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2021-12-16 10:17:24,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-16 10:17:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 10:17:25,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712139076] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 10:17:25,035 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 10:17:25,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2021-12-16 10:17:25,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112653848] [2021-12-16 10:17:25,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 10:17:25,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:17:25,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-16 10:17:25,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2021-12-16 10:17:25,149 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 19 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 19 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:25,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:17:25,406 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2021-12-16 10:17:25,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-16 10:17:25,407 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2021-12-16 10:17:25,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-16 10:17:25,407 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 23 states and 28 transitions. [2021-12-16 10:17:25,408 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-16 10:17:25,408 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-16 10:17:25,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-12-16 10:17:25,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:25,408 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-12-16 10:17:25,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-12-16 10:17:25,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2021-12-16 10:17:25,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-12-16 10:17:25,410 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-16 10:17:25,410 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-16 10:17:25,410 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-16 10:17:25,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-12-16 10:17:25,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-16 10:17:25,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:25,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:25,411 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:25,411 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 10:17:25,411 INFO L791 eck$LassoCheckResult]: Stem: 534#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 535#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 544#L528 assume !(main_~length1~0#1 < 1); 542#L528-2 assume !(main_~length2~0#1 < 1); 543#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 538#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 539#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 540#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 541#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 553#L537-3 assume !(main_~i~0#1 < main_~length1~0#1); 536#L537-4 main_~i~1#1 := 0; 537#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 550#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 551#L541-3 assume !(main_~i~1#1 < main_~length2~0#1); 545#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 546#L519-4 [2021-12-16 10:17:25,411 INFO L793 eck$LassoCheckResult]: Loop: 546#L519-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 552#L518-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 548#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 549#L519-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 546#L519-4 [2021-12-16 10:17:25,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:25,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1523394364, now seen corresponding path program 2 times [2021-12-16 10:17:25,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:25,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328814913] [2021-12-16 10:17:25,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:25,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:25,439 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:25,468 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:25,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:25,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2406249, now seen corresponding path program 3 times [2021-12-16 10:17:25,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:25,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525614976] [2021-12-16 10:17:25,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:25,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:25,477 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:25,483 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:25,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:25,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1430636836, now seen corresponding path program 2 times [2021-12-16 10:17:25,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:25,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123260696] [2021-12-16 10:17:25,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:25,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:25,517 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:25,536 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:26,429 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:17:26,430 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:17:26,430 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:17:26,430 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:17:26,430 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:17:26,430 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:26,430 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:17:26,430 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:17:26,430 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-2.i_Iteration6_Lasso [2021-12-16 10:17:26,430 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:17:26,430 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:17:26,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:26,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:27,291 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:17:27,291 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:17:27,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,297 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:27,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-16 10:17:27,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:27,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:27,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:27,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:27,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:27,323 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 [2021-12-16 10:17:27,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,324 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:27,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-16 10:17:27,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:27,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:27,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:27,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:27,352 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 [2021-12-16 10:17:27,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,353 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:27,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-16 10:17:27,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:27,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:27,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:27,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:27,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:27,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,418 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:27,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-16 10:17:27,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:27,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:27,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:27,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:27,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-16 10:17:27,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,452 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:27,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-16 10:17:27,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:27,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:27,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:27,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:27,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-16 10:17:27,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,487 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:27,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-16 10:17:27,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:27,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:27,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:27,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:27,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-16 10:17:27,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,519 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:27,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-16 10:17:27,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:27,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:27,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:27,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:27,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-16 10:17:27,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,551 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:27,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-16 10:17:27,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:27,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:27,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:27,592 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:17:27,628 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2021-12-16 10:17:27,628 INFO L444 ModelExtractionUtils]: 16 out of 40 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-12-16 10:17:27,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,639 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:27,640 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:17:27,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-16 10:17:27,661 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-16 10:17:27,661 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:17:27,662 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_cstrpbrk_~s1#1.offset) = 3*ULTIMATE.start_main_~length1~0#1 - 4*ULTIMATE.start_cstrpbrk_~s1#1.offset Supporting invariants [-1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s1#1.base)_1 + 2 >= 0] [2021-12-16 10:17:27,678 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 [2021-12-16 10:17:27,716 INFO L297 tatePredicateManager]: 18 out of 20 supporting invariants were superfluous and have been removed [2021-12-16 10:17:27,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:27,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-16 10:17:27,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:27,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-16 10:17:27,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-12-16 10:17:27,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-16 10:17:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:27,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-16 10:17:27,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:28,018 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-12-16 10:17:28,019 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:28,133 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 50 transitions. Complement of second has 11 states. [2021-12-16 10:17:28,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-16 10:17:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 34 transitions. [2021-12-16 10:17:28,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34 transitions. Stem has 15 letters. Loop has 4 letters. [2021-12-16 10:17:28,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:28,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34 transitions. Stem has 19 letters. Loop has 4 letters. [2021-12-16 10:17:28,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:28,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34 transitions. Stem has 15 letters. Loop has 8 letters. [2021-12-16 10:17:28,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:28,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 50 transitions. [2021-12-16 10:17:28,137 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-16 10:17:28,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 40 states and 49 transitions. [2021-12-16 10:17:28,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-12-16 10:17:28,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-12-16 10:17:28,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 49 transitions. [2021-12-16 10:17:28,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 10:17:28,138 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 49 transitions. [2021-12-16 10:17:28,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 49 transitions. [2021-12-16 10:17:28,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 36. [2021-12-16 10:17:28,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.25) internal successors, (45), 35 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:28,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2021-12-16 10:17:28,141 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2021-12-16 10:17:28,141 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2021-12-16 10:17:28,141 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-16 10:17:28,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 45 transitions. [2021-12-16 10:17:28,142 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-16 10:17:28,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:28,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:28,143 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:28,143 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-16 10:17:28,143 INFO L791 eck$LassoCheckResult]: Stem: 779#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 780#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 789#L528 assume !(main_~length1~0#1 < 1); 787#L528-2 assume !(main_~length2~0#1 < 1); 788#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 783#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 784#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 785#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 786#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 814#L537-3 assume !(main_~i~0#1 < main_~length1~0#1); 781#L537-4 main_~i~1#1 := 0; 782#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 799#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 800#L541-3 assume !(main_~i~1#1 < main_~length2~0#1); 801#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 808#L519-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 804#L518-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 791#L519-3 [2021-12-16 10:17:28,143 INFO L793 eck$LassoCheckResult]: Loop: 791#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 805#L519-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 790#L520 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 791#L519-3 [2021-12-16 10:17:28,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:28,144 INFO L85 PathProgramCache]: Analyzing trace with hash -601862591, now seen corresponding path program 1 times [2021-12-16 10:17:28,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:28,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799922809] [2021-12-16 10:17:28,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:28,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:28,156 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:28,166 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:28,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:28,167 INFO L85 PathProgramCache]: Analyzing trace with hash 86557, now seen corresponding path program 1 times [2021-12-16 10:17:28,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:28,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556947920] [2021-12-16 10:17:28,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:28,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:28,170 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:28,172 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:28,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:28,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1400069085, now seen corresponding path program 1 times [2021-12-16 10:17:28,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:28,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337889583] [2021-12-16 10:17:28,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:28,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:28,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-16 10:17:28,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:17:28,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337889583] [2021-12-16 10:17:28,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337889583] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 10:17:28,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502495881] [2021-12-16 10:17:28,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:28,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 10:17:28,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:28,292 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 10:17:28,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-12-16 10:17:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:28,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 30 conjunts are in the unsatisfiable core [2021-12-16 10:17:28,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:28,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:28,561 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-12-16 10:17:28,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 57 [2021-12-16 10:17:28,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2021-12-16 10:17:28,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2021-12-16 10:17:28,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2021-12-16 10:17:28,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-12-16 10:17:28,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 3 [2021-12-16 10:17:28,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-16 10:17:28,823 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-16 10:17:28,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 10 [2021-12-16 10:17:28,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-16 10:17:28,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 10:17:28,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-12-16 10:17:28,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2021-12-16 10:17:28,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2021-12-16 10:17:29,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-16 10:17:29,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502495881] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 10:17:29,158 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 10:17:29,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2021-12-16 10:17:29,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478646982] [2021-12-16 10:17:29,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 10:17:29,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:17:29,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-16 10:17:29,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2021-12-16 10:17:29,209 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. cyclomatic complexity: 15 Second operand has 22 states, 22 states have (on average 1.9090909090909092) internal successors, (42), 22 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:29,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:17:29,382 INFO L93 Difference]: Finished difference Result 57 states and 69 transitions. [2021-12-16 10:17:29,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-16 10:17:29,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 69 transitions. [2021-12-16 10:17:29,383 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-16 10:17:29,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 55 states and 67 transitions. [2021-12-16 10:17:29,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-12-16 10:17:29,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-16 10:17:29,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 67 transitions. [2021-12-16 10:17:29,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 10:17:29,384 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 67 transitions. [2021-12-16 10:17:29,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 67 transitions. [2021-12-16 10:17:29,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2021-12-16 10:17:29,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.22) internal successors, (61), 49 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2021-12-16 10:17:29,387 INFO L704 BuchiCegarLoop]: Abstraction has 50 states and 61 transitions. [2021-12-16 10:17:29,387 INFO L587 BuchiCegarLoop]: Abstraction has 50 states and 61 transitions. [2021-12-16 10:17:29,387 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-16 10:17:29,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 61 transitions. [2021-12-16 10:17:29,388 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-16 10:17:29,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:29,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:29,389 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:29,389 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-16 10:17:29,389 INFO L791 eck$LassoCheckResult]: Stem: 1025#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1026#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1035#L528 assume !(main_~length1~0#1 < 1); 1033#L528-2 assume !(main_~length2~0#1 < 1); 1034#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 1029#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1030#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1031#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1032#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1055#L537-3 assume !(main_~i~0#1 < main_~length1~0#1); 1056#L537-4 main_~i~1#1 := 0; 1067#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 1066#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1065#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 1063#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1062#L541-3 assume !(main_~i~1#1 < main_~length2~0#1); 1060#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 1059#L519-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 1051#L518-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 1058#L519-3 [2021-12-16 10:17:29,389 INFO L793 eck$LassoCheckResult]: Loop: 1058#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 1069#L519-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 1070#L520 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 1058#L519-3 [2021-12-16 10:17:29,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:29,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1483803875, now seen corresponding path program 2 times [2021-12-16 10:17:29,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:29,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931047854] [2021-12-16 10:17:29,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:29,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:29,402 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:29,412 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:29,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:29,413 INFO L85 PathProgramCache]: Analyzing trace with hash 86557, now seen corresponding path program 2 times [2021-12-16 10:17:29,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:29,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956872195] [2021-12-16 10:17:29,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:29,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:29,416 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:29,418 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:29,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:29,418 INFO L85 PathProgramCache]: Analyzing trace with hash 197886459, now seen corresponding path program 2 times [2021-12-16 10:17:29,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:29,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291519815] [2021-12-16 10:17:29,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:29,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:29,429 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:29,440 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:30,650 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:17:30,650 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:17:30,650 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:17:30,650 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:17:30,650 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:17:30,651 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,651 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:17:30,651 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:17:30,651 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-2.i_Iteration8_Lasso [2021-12-16 10:17:30,651 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:17:30,651 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:17:30,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:31,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:31,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:31,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:31,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:31,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:31,630 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:17:31,631 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:17:31,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,636 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:31,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-16 10:17:31,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:31,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:31,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:31,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:31,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:31,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-16 10:17:31,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,663 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:31,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-16 10:17:31,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:31,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:31,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:31,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:31,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:31,689 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 [2021-12-16 10:17:31,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,691 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:31,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-16 10:17:31,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:31,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:31,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:31,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:31,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:31,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,721 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:31,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-16 10:17:31,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:31,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:31,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:31,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:31,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:31,745 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 [2021-12-16 10:17:31,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,746 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:31,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-16 10:17:31,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:31,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:31,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:31,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:31,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:31,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:31,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,783 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:31,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-16 10:17:31,786 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 [2021-12-16 10:17:31,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:31,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:31,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:31,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:31,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-16 10:17:31,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,809 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:31,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-16 10:17:31,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:31,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:31,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:31,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:31,839 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 [2021-12-16 10:17:31,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,840 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:31,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-16 10:17:31,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:31,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:31,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:31,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:31,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:31,883 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 [2021-12-16 10:17:31,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,884 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:31,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:31,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:31,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:31,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:31,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-16 10:17:31,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:31,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:31,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,933 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:31,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-16 10:17:31,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:31,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:31,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:31,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:31,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:31,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-16 10:17:31,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,959 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:31,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-16 10:17:31,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:31,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:31,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:31,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:31,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:31,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,987 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:31,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-16 10:17:31,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:31,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:31,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:31,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:31,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:32,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,014 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-16 10:17:32,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:32,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:32,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:32,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:32,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-16 10:17:32,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,040 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-16 10:17:32,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:32,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:32,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,067 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-16 10:17:32,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:32,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:32,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:32,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:32,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-16 10:17:32,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,093 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-16 10:17:32,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:32,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:32,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:32,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:32,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:32,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,118 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-16 10:17:32,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:32,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:32,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:32,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:32,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-16 10:17:32,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,157 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-16 10:17:32,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:32,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-16 10:17:32,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,194 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-16 10:17:32,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:32,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-16 10:17:32,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,223 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-16 10:17:32,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:32,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-16 10:17:32,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,250 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-16 10:17:32,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:32,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:32,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,282 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-16 10:17:32,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:32,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,291 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-16 10:17:32,291 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-16 10:17:32,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,318 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2021-12-16 10:17:32,319 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-16 10:17:32,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-16 10:17:32,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,419 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-16 10:17:32,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:32,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:32,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,447 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-16 10:17:32,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:32,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-16 10:17:32,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,473 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-16 10:17:32,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:32,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,507 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:17:32,526 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-12-16 10:17:32,527 INFO L444 ModelExtractionUtils]: 17 out of 46 variables were initially zero. Simplification set additionally 26 variables to zero. [2021-12-16 10:17:32,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,535 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:32,540 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:17:32,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-16 10:17:32,567 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-16 10:17:32,568 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:17:32,568 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~scanp~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_4) = -1*ULTIMATE.start_cstrpbrk_~scanp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_4 Supporting invariants [] [2021-12-16 10:17:32,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:32,685 INFO L297 tatePredicateManager]: 32 out of 33 supporting invariants were superfluous and have been removed [2021-12-16 10:17:32,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:32,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:32,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-16 10:17:32,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:32,819 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-16 10:17:32,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:32,848 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-16 10:17:32,848 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 61 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:32,885 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 61 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 79 states and 96 transitions. Complement of second has 7 states. [2021-12-16 10:17:32,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:32,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2021-12-16 10:17:32,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 19 letters. Loop has 3 letters. [2021-12-16 10:17:32,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:32,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 22 letters. Loop has 3 letters. [2021-12-16 10:17:32,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:32,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 19 letters. Loop has 6 letters. [2021-12-16 10:17:32,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:32,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 96 transitions. [2021-12-16 10:17:32,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-16 10:17:32,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 65 states and 79 transitions. [2021-12-16 10:17:32,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-12-16 10:17:32,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-12-16 10:17:32,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 79 transitions. [2021-12-16 10:17:32,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 10:17:32,894 INFO L681 BuchiCegarLoop]: Abstraction has 65 states and 79 transitions. [2021-12-16 10:17:32,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 79 transitions. [2021-12-16 10:17:32,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 57. [2021-12-16 10:17:32,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.2105263157894737) internal successors, (69), 56 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:32,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2021-12-16 10:17:32,897 INFO L704 BuchiCegarLoop]: Abstraction has 57 states and 69 transitions. [2021-12-16 10:17:32,897 INFO L587 BuchiCegarLoop]: Abstraction has 57 states and 69 transitions. [2021-12-16 10:17:32,897 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-16 10:17:32,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 69 transitions. [2021-12-16 10:17:32,898 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-16 10:17:32,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:32,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:32,898 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:32,898 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-16 10:17:32,899 INFO L791 eck$LassoCheckResult]: Stem: 1385#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1386#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1395#L528 assume !(main_~length1~0#1 < 1); 1393#L528-2 assume !(main_~length2~0#1 < 1); 1394#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 1389#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1390#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1391#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1392#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1420#L537-3 assume !(main_~i~0#1 < main_~length1~0#1); 1421#L537-4 main_~i~1#1 := 0; 1405#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 1406#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1407#L541-3 assume !(main_~i~1#1 < main_~length2~0#1); 1408#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 1440#L519-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 1439#L518-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 1438#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 1419#L519-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 1411#L519-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 1412#L518-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 1428#L519-3 [2021-12-16 10:17:32,899 INFO L793 eck$LassoCheckResult]: Loop: 1428#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 1417#L519-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 1418#L520 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 1428#L519-3 [2021-12-16 10:17:32,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:32,899 INFO L85 PathProgramCache]: Analyzing trace with hash 452466217, now seen corresponding path program 3 times [2021-12-16 10:17:32,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:32,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56465885] [2021-12-16 10:17:32,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:32,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 10:17:33,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:17:33,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56465885] [2021-12-16 10:17:33,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56465885] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 10:17:33,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238821613] [2021-12-16 10:17:33,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-16 10:17:33,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 10:17:33,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:33,052 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 10:17:33,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2021-12-16 10:17:33,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-16 10:17:33,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-16 10:17:33,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 62 conjunts are in the unsatisfiable core [2021-12-16 10:17:33,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:33,437 INFO L354 Elim1Store]: treesize reduction 16, result has 52.9 percent of original size [2021-12-16 10:17:33,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 61 [2021-12-16 10:17:33,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2021-12-16 10:17:33,474 INFO L354 Elim1Store]: treesize reduction 25, result has 51.9 percent of original size [2021-12-16 10:17:33,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 74 [2021-12-16 10:17:33,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-12-16 10:17:33,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-12-16 10:17:33,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-12-16 10:17:33,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-12-16 10:17:33,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-12-16 10:17:34,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-16 10:17:34,091 INFO L354 Elim1Store]: treesize reduction 33, result has 26.7 percent of original size [2021-12-16 10:17:34,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 25 [2021-12-16 10:17:34,102 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:34,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 10:17:34,218 INFO L354 Elim1Store]: treesize reduction 16, result has 66.7 percent of original size [2021-12-16 10:17:34,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 118 [2021-12-16 10:17:34,228 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-16 10:17:34,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 162 treesize of output 158 [2021-12-16 10:17:34,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-16 10:17:34,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 93 [2021-12-16 10:17:34,292 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-16 10:17:34,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 135 [2021-12-16 10:17:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:34,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238821613] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 10:17:34,781 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 10:17:34,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15, 14] total 33 [2021-12-16 10:17:34,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991236962] [2021-12-16 10:17:34,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 10:17:34,782 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 10:17:34,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:34,782 INFO L85 PathProgramCache]: Analyzing trace with hash 86557, now seen corresponding path program 3 times [2021-12-16 10:17:34,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:34,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235904287] [2021-12-16 10:17:34,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:34,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:34,786 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:34,788 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:34,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:17:34,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-16 10:17:34,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=958, Unknown=0, NotChecked=0, Total=1122 [2021-12-16 10:17:34,833 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. cyclomatic complexity: 19 Second operand has 34 states, 33 states have (on average 1.696969696969697) internal successors, (56), 34 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:35,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:17:35,540 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2021-12-16 10:17:35,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-16 10:17:35,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 71 transitions. [2021-12-16 10:17:35,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-16 10:17:35,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 36 states and 43 transitions. [2021-12-16 10:17:35,547 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-12-16 10:17:35,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-12-16 10:17:35,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 43 transitions. [2021-12-16 10:17:35,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:35,548 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 43 transitions. [2021-12-16 10:17:35,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 43 transitions. [2021-12-16 10:17:35,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2021-12-16 10:17:35,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2) internal successors, (42), 34 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:35,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2021-12-16 10:17:35,550 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-12-16 10:17:35,550 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-12-16 10:17:35,551 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-16 10:17:35,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2021-12-16 10:17:35,551 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-16 10:17:35,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:35,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:35,552 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:35,552 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 10:17:35,552 INFO L791 eck$LassoCheckResult]: Stem: 1691#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1692#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1701#L528 assume !(main_~length1~0#1 < 1); 1699#L528-2 assume !(main_~length2~0#1 < 1); 1700#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 1695#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1696#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1697#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1698#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1725#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1717#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1716#L537-3 assume !(main_~i~0#1 < main_~length1~0#1); 1693#L537-4 main_~i~1#1 := 0; 1694#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 1710#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1724#L541-3 assume !(main_~i~1#1 < main_~length2~0#1); 1723#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 1722#L519-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 1721#L518-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 1719#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 1714#L519-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 1715#L519-4 [2021-12-16 10:17:35,552 INFO L793 eck$LassoCheckResult]: Loop: 1715#L519-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 1720#L518-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 1705#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 1718#L519-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 1715#L519-4 [2021-12-16 10:17:35,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:35,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1393656058, now seen corresponding path program 4 times [2021-12-16 10:17:35,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:35,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549705248] [2021-12-16 10:17:35,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:35,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:35,564 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:35,574 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:35,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:35,574 INFO L85 PathProgramCache]: Analyzing trace with hash 2406249, now seen corresponding path program 4 times [2021-12-16 10:17:35,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:35,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968248037] [2021-12-16 10:17:35,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:35,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:35,578 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:35,581 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:35,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:35,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2080232466, now seen corresponding path program 5 times [2021-12-16 10:17:35,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:35,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005954923] [2021-12-16 10:17:35,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:35,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:35,594 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:35,607 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:37,237 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:17:37,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:17:37,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:17:37,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:17:37,238 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:17:37,238 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:37,238 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:17:37,238 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:17:37,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-2.i_Iteration10_Lasso [2021-12-16 10:17:37,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:17:37,238 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:17:37,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:37,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:38,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:38,540 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:17:38,540 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:17:38,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,542 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-16 10:17:38,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:38,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:38,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:38,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-16 10:17:38,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,569 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-16 10:17:38,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:38,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:38,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-16 10:17:38,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,598 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-16 10:17:38,600 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 [2021-12-16 10:17:38,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:38,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:38,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-16 10:17:38,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,626 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-16 10:17:38,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:38,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:38,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:38,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-16 10:17:38,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,652 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-16 10:17:38,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:38,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:38,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:38,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:38,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,678 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-16 10:17:38,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:38,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:38,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:38,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:38,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,704 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-16 10:17:38,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:38,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:38,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:38,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-16 10:17:38,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,731 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-16 10:17:38,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:38,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:38,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:38,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:38,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,758 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-16 10:17:38,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:38,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:38,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:38,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:38,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,784 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-16 10:17:38,786 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 [2021-12-16 10:17:38,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:38,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:38,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:38,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:38,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,810 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-16 10:17:38,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:38,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:38,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:38,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-16 10:17:38,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,836 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-16 10:17:38,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:38,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:38,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:38,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-16 10:17:38,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,863 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-16 10:17:38,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:38,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:38,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:38,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:38,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,889 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-16 10:17:38,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:38,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:38,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-16 10:17:38,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,916 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-16 10:17:38,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:38,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:38,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:38,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:38,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-16 10:17:38,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:38,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:38,942 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:38,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-16 10:17:38,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:38,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:38,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:38,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:38,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:38,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:38,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:38,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:39,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:39,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:39,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:39,003 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:39,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-16 10:17:39,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:39,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:39,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:39,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:39,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:39,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:39,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:39,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:39,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:39,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:39,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:39,032 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:39,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-16 10:17:39,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:39,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:39,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:39,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:39,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:39,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:39,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:39,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:39,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:39,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:39,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:39,064 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:39,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-16 10:17:39,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:39,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:39,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:39,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:39,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:39,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:39,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:39,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:39,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-12-16 10:17:39,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:39,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:39,115 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:39,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-16 10:17:39,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:39,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:39,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:39,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:39,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:39,139 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:39,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:39,155 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:17:39,233 INFO L443 ModelExtractionUtils]: Simplification made 42 calls to the SMT solver. [2021-12-16 10:17:39,234 INFO L444 ModelExtractionUtils]: 9 out of 52 variables were initially zero. Simplification set additionally 38 variables to zero. [2021-12-16 10:17:39,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:39,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:39,235 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:39,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-12-16 10:17:39,237 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:17:39,244 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-16 10:17:39,244 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:17:39,244 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s1#1.offset, ULTIMATE.start_main_~length1~0#1) = -1*ULTIMATE.start_cstrpbrk_~s1#1.offset + 1*ULTIMATE.start_main_~length1~0#1 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_5 + 1*ULTIMATE.start_main_~length1~0#1 >= 0] [2021-12-16 10:17:39,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-12-16 10:17:39,343 INFO L297 tatePredicateManager]: 33 out of 35 supporting invariants were superfluous and have been removed [2021-12-16 10:17:39,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:39,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-16 10:17:39,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:39,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-12-16 10:17:39,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-16 10:17:39,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-12-16 10:17:39,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-16 10:17:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:39,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-16 10:17:39,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:39,617 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-16 10:17:39,618 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 42 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:39,667 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 42 transitions. cyclomatic complexity: 11. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 49 transitions. Complement of second has 6 states. [2021-12-16 10:17:39,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:39,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2021-12-16 10:17:39,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 21 letters. Loop has 4 letters. [2021-12-16 10:17:39,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:39,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 25 letters. Loop has 4 letters. [2021-12-16 10:17:39,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:39,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 21 letters. Loop has 8 letters. [2021-12-16 10:17:39,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:39,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 49 transitions. [2021-12-16 10:17:39,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-16 10:17:39,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 40 states and 48 transitions. [2021-12-16 10:17:39,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-12-16 10:17:39,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-12-16 10:17:39,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 48 transitions. [2021-12-16 10:17:39,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 10:17:39,671 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2021-12-16 10:17:39,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 48 transitions. [2021-12-16 10:17:39,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2021-12-16 10:17:39,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.205128205128205) internal successors, (47), 38 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:39,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2021-12-16 10:17:39,674 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 47 transitions. [2021-12-16 10:17:39,674 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 47 transitions. [2021-12-16 10:17:39,674 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-16 10:17:39,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 47 transitions. [2021-12-16 10:17:39,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-16 10:17:39,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:39,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:39,675 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:39,675 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-16 10:17:39,675 INFO L791 eck$LassoCheckResult]: Stem: 2013#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2014#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 2023#L528 assume !(main_~length1~0#1 < 1); 2021#L528-2 assume !(main_~length2~0#1 < 1); 2022#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 2017#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 2018#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2019#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 2020#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2051#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 2042#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2041#L537-3 assume !(main_~i~0#1 < main_~length1~0#1); 2015#L537-4 main_~i~1#1 := 0; 2016#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 2032#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 2050#L541-3 assume !(main_~i~1#1 < main_~length2~0#1); 2049#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 2048#L519-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 2047#L518-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 2046#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 2040#L519-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 2035#L519-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 2036#L518-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 2027#L519-3 [2021-12-16 10:17:39,676 INFO L793 eck$LassoCheckResult]: Loop: 2027#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 2043#L519-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 2026#L520 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 2027#L519-3 [2021-12-16 10:17:39,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:39,676 INFO L85 PathProgramCache]: Analyzing trace with hash 726326155, now seen corresponding path program 6 times [2021-12-16 10:17:39,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:39,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942107964] [2021-12-16 10:17:39,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:39,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:39,688 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:39,699 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:39,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:39,700 INFO L85 PathProgramCache]: Analyzing trace with hash 86557, now seen corresponding path program 4 times [2021-12-16 10:17:39,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:39,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575399869] [2021-12-16 10:17:39,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:39,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:39,703 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:39,706 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:39,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:39,707 INFO L85 PathProgramCache]: Analyzing trace with hash -62696877, now seen corresponding path program 1 times [2021-12-16 10:17:39,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:39,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587130504] [2021-12-16 10:17:39,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:39,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-16 10:17:39,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:17:39,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587130504] [2021-12-16 10:17:39,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587130504] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 10:17:39,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476113260] [2021-12-16 10:17:39,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:39,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 10:17:39,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:39,750 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 10:17:39,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2021-12-16 10:17:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:39,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-16 10:17:39,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:39,946 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-16 10:17:39,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-12-16 10:17:40,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-16 10:17:40,044 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-16 10:17:40,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 10:17:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-16 10:17:40,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476113260] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 10:17:40,115 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 10:17:40,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 7] total 19 [2021-12-16 10:17:40,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353467711] [2021-12-16 10:17:40,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 10:17:40,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:17:40,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-16 10:17:40,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-12-16 10:17:40,164 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. cyclomatic complexity: 13 Second operand has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:40,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:17:40,428 INFO L93 Difference]: Finished difference Result 65 states and 75 transitions. [2021-12-16 10:17:40,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-16 10:17:40,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 75 transitions. [2021-12-16 10:17:40,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-16 10:17:40,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 46 states and 53 transitions. [2021-12-16 10:17:40,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-12-16 10:17:40,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-16 10:17:40,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 53 transitions. [2021-12-16 10:17:40,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 10:17:40,434 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 53 transitions. [2021-12-16 10:17:40,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 53 transitions. [2021-12-16 10:17:40,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 37. [2021-12-16 10:17:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 36 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2021-12-16 10:17:40,436 INFO L704 BuchiCegarLoop]: Abstraction has 37 states and 44 transitions. [2021-12-16 10:17:40,436 INFO L587 BuchiCegarLoop]: Abstraction has 37 states and 44 transitions. [2021-12-16 10:17:40,436 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-16 10:17:40,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 44 transitions. [2021-12-16 10:17:40,437 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-16 10:17:40,437 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:40,437 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:40,438 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:40,438 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-16 10:17:40,438 INFO L791 eck$LassoCheckResult]: Stem: 2321#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2322#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 2331#L528 assume !(main_~length1~0#1 < 1); 2329#L528-2 assume !(main_~length2~0#1 < 1); 2330#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 2325#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 2326#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2327#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 2328#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2353#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 2351#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2350#L537-3 assume !(main_~i~0#1 < main_~length1~0#1); 2323#L537-4 main_~i~1#1 := 0; 2324#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 2341#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 2342#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 2343#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 2352#L541-3 assume !(main_~i~1#1 < main_~length2~0#1); 2336#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset, cstrpbrk_~c~0#1, cstrpbrk_~sc~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;havoc cstrpbrk_~c~0#1;havoc cstrpbrk_~sc~0#1; 2337#L519-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 2348#L518-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 2349#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 2347#L519-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 2334#L520 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 2335#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 2357#L519-1 assume !(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 2344#L519-4 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1; 2345#L518-1 assume !!(0 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~mem3#1;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset; 2333#L519-3 [2021-12-16 10:17:40,438 INFO L793 eck$LassoCheckResult]: Loop: 2333#L519-3 cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset := cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset;cstrpbrk_~scanp~0#1.base, cstrpbrk_~scanp~0#1.offset := cstrpbrk_#t~post4#1.base, 1 + cstrpbrk_#t~post4#1.offset;call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset, 1);cstrpbrk_~sc~0#1 := cstrpbrk_#t~mem5#1; 2338#L519-1 assume !!(0 != cstrpbrk_~sc~0#1);havoc cstrpbrk_#t~post4#1.base, cstrpbrk_#t~post4#1.offset;havoc cstrpbrk_#t~mem5#1; 2332#L520 assume !(cstrpbrk_~sc~0#1 == cstrpbrk_~c~0#1); 2333#L519-3 [2021-12-16 10:17:40,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:40,439 INFO L85 PathProgramCache]: Analyzing trace with hash 2062165185, now seen corresponding path program 2 times [2021-12-16 10:17:40,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:40,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134098605] [2021-12-16 10:17:40,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:40,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:40,461 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:40,474 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:40,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:40,475 INFO L85 PathProgramCache]: Analyzing trace with hash 86557, now seen corresponding path program 5 times [2021-12-16 10:17:40,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:40,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824117316] [2021-12-16 10:17:40,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:40,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:40,478 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:40,480 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:40,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:40,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1249118883, now seen corresponding path program 3 times [2021-12-16 10:17:40,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:40,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693678463] [2021-12-16 10:17:40,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:40,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:40,494 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:40,509 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:43,283 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:17:43,283 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:17:43,283 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:17:43,283 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:17:43,283 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:17:43,283 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:43,283 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:17:43,283 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:17:43,283 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-2.i_Iteration12_Lasso [2021-12-16 10:17:43,283 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:17:43,284 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:17:43,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:43,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:43,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:43,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:43,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:43,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:43,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:43,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:44,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:45,960 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:17:45,960 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:17:45,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:45,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:45,962 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:45,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-16 10:17:45,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:45,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:45,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:45,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:45,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:45,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:45,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:45,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:45,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:45,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-12-16 10:17:45,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:45,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:45,989 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:45,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-16 10:17:45,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:45,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:45,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:45,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:45,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:45,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:45,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:46,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:46,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:46,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:46,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:46,018 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:46,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-16 10:17:46,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:46,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:46,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:46,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:46,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:46,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:46,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:46,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:46,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:46,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-12-16 10:17:46,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:46,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:46,047 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:46,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-16 10:17:46,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:46,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:46,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:46,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:46,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:46,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:46,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:46,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:46,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:46,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:46,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:46,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:46,073 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:46,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-16 10:17:46,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:46,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:46,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:46,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:46,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:46,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:46,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:46,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:46,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:46,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-12-16 10:17:46,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:46,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:46,100 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:46,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-16 10:17:46,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:46,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:46,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:46,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:46,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:46,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:46,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:46,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:46,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:46,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-12-16 10:17:46,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:46,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:46,126 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:46,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-16 10:17:46,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:46,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:46,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:46,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:46,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:46,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:46,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:46,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:46,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:46,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:46,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:46,155 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:46,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-16 10:17:46,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:46,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:46,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:46,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:46,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:46,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:46,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:46,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:46,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:46,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:46,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:46,196 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:46,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-16 10:17:46,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:46,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:46,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:46,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:46,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:46,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:46,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:46,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:46,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-12-16 10:17:46,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:46,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:46,233 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:46,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-16 10:17:46,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:46,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:46,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:46,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:46,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:46,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:46,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:46,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:46,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-12-16 10:17:46,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:46,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:46,263 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:46,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-16 10:17:46,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:46,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:46,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:46,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:46,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:46,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:46,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:46,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:46,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-12-16 10:17:46,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:46,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:46,292 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:46,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-16 10:17:46,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:46,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:46,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:46,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:46,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:46,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:46,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:46,330 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:17:46,389 INFO L443 ModelExtractionUtils]: Simplification made 27 calls to the SMT solver. [2021-12-16 10:17:46,389 INFO L444 ModelExtractionUtils]: 15 out of 46 variables were initially zero. Simplification set additionally 26 variables to zero. [2021-12-16 10:17:46,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:46,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:46,395 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:46,400 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:17:46,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-16 10:17:46,430 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-16 10:17:46,430 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:17:46,430 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~scanp~0#1.offset, ULTIMATE.start_main_~i~1#1) = -1*ULTIMATE.start_cstrpbrk_~scanp~0#1.offset + 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [1*ULTIMATE.start_main_~length2~0#1 - 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s2#1.base)_1 >= 0] [2021-12-16 10:17:46,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:46,699 INFO L297 tatePredicateManager]: 64 out of 68 supporting invariants were superfluous and have been removed [2021-12-16 10:17:46,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:46,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-16 10:17:46,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:46,795 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-16 10:17:46,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-12-16 10:17:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:47,038 WARN L261 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-16 10:17:47,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:47,093 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-12-16 10:17:47,093 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 44 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:47,152 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 44 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 51 transitions. Complement of second has 10 states. [2021-12-16 10:17:47,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 6 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 24 transitions. [2021-12-16 10:17:47,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 28 letters. Loop has 3 letters. [2021-12-16 10:17:47,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:47,154 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 10:17:47,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:47,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-16 10:17:47,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:47,236 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-16 10:17:47,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-12-16 10:17:47,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:47,484 WARN L261 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-16 10:17:47,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:47,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:47,525 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2021-12-16 10:17:47,526 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 44 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:47,592 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 44 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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 43 states and 52 transitions. Complement of second has 10 states. [2021-12-16 10:17:47,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 6 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:47,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 23 transitions. [2021-12-16 10:17:47,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 23 transitions. Stem has 28 letters. Loop has 3 letters. [2021-12-16 10:17:47,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:47,594 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 10:17:47,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:47,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-16 10:17:47,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:47,680 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-16 10:17:47,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-12-16 10:17:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:47,909 WARN L261 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-16 10:17:47,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:47,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:47,960 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-12-16 10:17:47,960 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 44 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:48,020 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 44 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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 48 states and 57 transitions. Complement of second has 9 states. [2021-12-16 10:17:48,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 6 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:48,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 29 transitions. [2021-12-16 10:17:48,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 28 letters. Loop has 3 letters. [2021-12-16 10:17:48,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:48,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 31 letters. Loop has 3 letters. [2021-12-16 10:17:48,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:48,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 28 letters. Loop has 6 letters. [2021-12-16 10:17:48,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:48,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 57 transitions. [2021-12-16 10:17:48,022 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 10:17:48,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 0 states and 0 transitions. [2021-12-16 10:17:48,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-16 10:17:48,023 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-16 10:17:48,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-16 10:17:48,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:48,023 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:17:48,023 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:17:48,023 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:17:48,023 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-16 10:17:48,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-16 10:17:48,023 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 10:17:48,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-16 10:17:48,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.12 10:17:48 BoogieIcfgContainer [2021-12-16 10:17:48,029 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-16 10:17:48,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 10:17:48,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 10:17:48,029 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 10:17:48,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:17:19" (3/4) ... [2021-12-16 10:17:48,032 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 10:17:48,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 10:17:48,033 INFO L158 Benchmark]: Toolchain (without parser) took 29424.56ms. Allocated memory was 96.5MB in the beginning and 188.7MB in the end (delta: 92.3MB). Free memory was 69.6MB in the beginning and 78.9MB in the end (delta: -9.3MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2021-12-16 10:17:48,033 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:17:48,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.83ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 66.0MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 10:17:48,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.22ms. Allocated memory is still 96.5MB. Free memory was 66.0MB in the beginning and 64.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 10:17:48,034 INFO L158 Benchmark]: Boogie Preprocessor took 42.05ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 62.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:17:48,034 INFO L158 Benchmark]: RCFGBuilder took 337.80ms. Allocated memory is still 96.5MB. Free memory was 62.7MB in the beginning and 51.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-16 10:17:48,034 INFO L158 Benchmark]: BuchiAutomizer took 28531.72ms. Allocated memory was 96.5MB in the beginning and 188.7MB in the end (delta: 92.3MB). Free memory was 51.4MB in the beginning and 78.9MB in the end (delta: -27.5MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2021-12-16 10:17:48,034 INFO L158 Benchmark]: Witness Printer took 3.06ms. Allocated memory is still 188.7MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:17:48,035 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 79.7MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.83ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 66.0MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.22ms. Allocated memory is still 96.5MB. Free memory was 66.0MB in the beginning and 64.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.05ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 62.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 337.80ms. Allocated memory is still 96.5MB. Free memory was 62.7MB in the beginning and 51.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 28531.72ms. Allocated memory was 96.5MB in the beginning and 188.7MB in the end (delta: 92.3MB). Free memory was 51.4MB in the beginning and 78.9MB in the end (delta: -27.5MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Witness Printer took 3.06ms. Allocated memory is still 188.7MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 12 terminating modules (6 trivial, 5 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * nondetString1 + -1 * i + unknown-#length-unknown[nondetString1] and consists of 5 locations. One deterministic module has affine ranking function -1 * i + length2 and consists of 4 locations. One deterministic module has affine ranking function 3 * length1 + -4 * s1 and consists of 9 locations. One deterministic module has affine ranking function -1 * scanp + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function -1 * s1 + length1 and consists of 5 locations. One nondeterministic module has affine ranking function -1 * scanp + i and consists of 8 locations. 6 modules have a trivial ranking function, the largest among these consists of 34 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 28.4s and 13 iterations. TraceHistogramMax:3. Analysis of lassos took 24.2s. Construction of modules took 0.5s. Büchi inclusion checks took 3.5s. Highest rank in rank-based complementation 3. Minimization of det autom 7. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 33 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 57 states and ocurred in iteration 8. Nontrivial modules had stage [5, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 486 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 484 mSDsluCounter, 813 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 97 IncrementalHoareTripleChecker+Unchecked, 603 mSDsCounter, 159 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 759 IncrementalHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 159 mSolverCounterUnsat, 210 mSDtfsCounter, 759 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU3 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital320 mio100 ax107 hnf99 lsp89 ukn66 mio100 lsp44 div100 bol100 ite100 ukn100 eq195 hnf89 smp97 dnf237 smp95 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 121ms VariablesStem: 7 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 56 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! [2021-12-16 10:17:48,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Ended with exit code 0 [2021-12-16 10:17:48,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Ended with exit code 0 [2021-12-16 10:17:48,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2021-12-16 10:17:48,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2021-12-16 10:17:48,894 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