./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrspn-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrspn-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5bb7c0b0be083ae28de17688b83fb766e3f101f5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:41:26,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:41:26,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:41:26,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:41:26,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:41:26,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:41:26,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:41:26,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:41:26,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:41:26,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:41:26,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:41:26,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:41:26,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:41:26,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:41:26,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:41:26,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:41:26,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:41:26,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:41:26,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:41:26,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:41:26,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:41:26,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:41:26,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:41:26,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:41:26,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:41:26,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:41:26,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:41:26,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:41:26,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:41:26,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:41:26,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:41:26,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:41:26,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:41:26,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:41:26,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:41:26,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:41:26,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:41:26,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:41:26,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:41:26,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:41:26,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:41:26,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 13:41:26,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:41:26,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:41:26,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:41:26,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:41:26,365 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:41:26,366 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 13:41:26,366 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 13:41:26,366 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 13:41:26,366 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 13:41:26,366 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 13:41:26,366 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 13:41:26,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:41:26,367 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:41:26,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:41:26,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:41:26,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 13:41:26,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 13:41:26,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 13:41:26,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:41:26,368 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 13:41:26,368 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:41:26,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 13:41:26,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:41:26,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:41:26,368 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 13:41:26,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:41:26,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:41:26,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:41:26,369 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 13:41:26,369 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 13:41:26,369 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bb7c0b0be083ae28de17688b83fb766e3f101f5 [2019-12-07 13:41:26,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:41:26,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:41:26,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:41:26,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:41:26,496 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:41:26,496 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/cstrspn-alloca-2.i [2019-12-07 13:41:26,540 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/data/6f3b1b52e/ae42efd20bb04be695a02822280d2893/FLAGf6b078a89 [2019-12-07 13:41:26,997 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:41:26,997 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/sv-benchmarks/c/termination-memory-alloca/cstrspn-alloca-2.i [2019-12-07 13:41:27,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/data/6f3b1b52e/ae42efd20bb04be695a02822280d2893/FLAGf6b078a89 [2019-12-07 13:41:27,015 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/data/6f3b1b52e/ae42efd20bb04be695a02822280d2893 [2019-12-07 13:41:27,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:41:27,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:41:27,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:41:27,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:41:27,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:41:27,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:41:27" (1/1) ... [2019-12-07 13:41:27,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a014e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:41:27, skipping insertion in model container [2019-12-07 13:41:27,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:41:27" (1/1) ... [2019-12-07 13:41:27,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:41:27,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:41:27,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:41:27,260 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:41:27,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:41:27,326 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:41:27,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:41:27 WrapperNode [2019-12-07 13:41:27,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:41:27,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:41:27,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:41:27,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:41:27,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:41:27" (1/1) ... [2019-12-07 13:41:27,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:41:27" (1/1) ... [2019-12-07 13:41:27,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:41:27,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:41:27,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:41:27,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:41:27,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:41:27" (1/1) ... [2019-12-07 13:41:27,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:41:27" (1/1) ... [2019-12-07 13:41:27,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:41:27" (1/1) ... [2019-12-07 13:41:27,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:41:27" (1/1) ... [2019-12-07 13:41:27,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:41:27" (1/1) ... [2019-12-07 13:41:27,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:41:27" (1/1) ... [2019-12-07 13:41:27,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:41:27" (1/1) ... [2019-12-07 13:41:27,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:41:27,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:41:27,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:41:27,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:41:27,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:41:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 13:41:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:41:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:41:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:41:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:41:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:41:27,609 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:41:27,609 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 13:41:27,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:41:27 BoogieIcfgContainer [2019-12-07 13:41:27,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:41:27,611 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 13:41:27,611 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 13:41:27,613 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 13:41:27,613 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:41:27,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:41:27" (1/3) ... [2019-12-07 13:41:27,614 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63cf41c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:41:27, skipping insertion in model container [2019-12-07 13:41:27,614 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:41:27,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:41:27" (2/3) ... [2019-12-07 13:41:27,615 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63cf41c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:41:27, skipping insertion in model container [2019-12-07 13:41:27,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:41:27,615 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:41:27" (3/3) ... [2019-12-07 13:41:27,616 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrspn-alloca-2.i [2019-12-07 13:41:27,646 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 13:41:27,646 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 13:41:27,646 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 13:41:27,647 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:41:27,647 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:41:27,647 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 13:41:27,647 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:41:27,647 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 13:41:27,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 13:41:27,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-12-07 13:41:27,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:41:27,670 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:41:27,674 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 13:41:27,674 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 13:41:27,674 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 13:41:27,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 13:41:27,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-12-07 13:41:27,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:41:27,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:41:27,676 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 13:41:27,676 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 13:41:27,681 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 7#L565true assume !(main_~length1~0 < 1); 12#L565-2true assume !(main_~length2~0 < 1); 6#L568-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem4, cstrspn_#t~post8.base, cstrspn_#t~post8.offset, cstrspn_#t~mem5, cstrspn_#t~mem6, cstrspn_#t~short7, cstrspn_#t~mem9, cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 3#L552-4true [2019-12-07 13:41:27,681 INFO L796 eck$LassoCheckResult]: Loop: 3#L552-4true call cstrspn_#t~mem3 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 14#L552-1true assume !!(0 != cstrspn_#t~mem3);havoc cstrspn_#t~mem3;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem4 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem4;havoc cstrspn_#t~mem4; 16#L555-5true assume !true; 19#L555-6true call cstrspn_#t~mem9 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 5#L557true assume !(cstrspn_#t~mem9 != cstrspn_~c~0);havoc cstrspn_#t~mem9; 20#L552-3true cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset; 3#L552-4true [2019-12-07 13:41:27,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:27,686 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-12-07 13:41:27,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:41:27,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086488574] [2019-12-07 13:41:27,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:41:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:27,802 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:41:27,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:27,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2019-12-07 13:41:27,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:41:27,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962122113] [2019-12-07 13:41:27,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:41:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:41:27,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:41:27,826 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962122113] [2019-12-07 13:41:27,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:41:27,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:41:27,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540653797] [2019-12-07 13:41:27,830 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 13:41:27,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:41:27,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:41:27,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:41:27,842 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-12-07 13:41:27,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:41:27,846 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2019-12-07 13:41:27,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:41:27,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-12-07 13:41:27,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-12-07 13:41:27,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2019-12-07 13:41:27,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 13:41:27,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 13:41:27,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-12-07 13:41:27,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:41:27,853 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-12-07 13:41:27,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-12-07 13:41:27,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-07 13:41:27,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 13:41:27,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-12-07 13:41:27,871 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-12-07 13:41:27,871 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-12-07 13:41:27,871 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 13:41:27,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2019-12-07 13:41:27,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-12-07 13:41:27,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:41:27,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:41:27,872 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 13:41:27,872 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:41:27,872 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 53#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 49#L565 assume !(main_~length1~0 < 1); 50#L565-2 assume !(main_~length2~0 < 1); 48#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem4, cstrspn_#t~post8.base, cstrspn_#t~post8.offset, cstrspn_#t~mem5, cstrspn_#t~mem6, cstrspn_#t~short7, cstrspn_#t~mem9, cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 44#L552-4 [2019-12-07 13:41:27,872 INFO L796 eck$LassoCheckResult]: Loop: 44#L552-4 call cstrspn_#t~mem3 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 45#L552-1 assume !!(0 != cstrspn_#t~mem3);havoc cstrspn_#t~mem3;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem4 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem4;havoc cstrspn_#t~mem4; 56#L555-5 call cstrspn_#t~mem5 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short7 := 0 != cstrspn_#t~mem5; 51#L555-1 assume cstrspn_#t~short7;call cstrspn_#t~mem6 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short7 := cstrspn_#t~mem6 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 52#L555-3 assume !cstrspn_#t~short7;havoc cstrspn_#t~mem5;havoc cstrspn_#t~mem6;havoc cstrspn_#t~short7; 55#L555-6 call cstrspn_#t~mem9 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 46#L557 assume !(cstrspn_#t~mem9 != cstrspn_~c~0);havoc cstrspn_#t~mem9; 47#L552-3 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset; 44#L552-4 [2019-12-07 13:41:27,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:27,872 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2019-12-07 13:41:27,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:41:27,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869820808] [2019-12-07 13:41:27,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:41:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:27,899 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:41:27,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:27,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2019-12-07 13:41:27,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:41:27,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625884286] [2019-12-07 13:41:27,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:41:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:27,922 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:41:27,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:27,922 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2019-12-07 13:41:27,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:41:27,922 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870899735] [2019-12-07 13:41:27,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:41:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:27,969 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:41:28,084 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-12-07 13:41:28,244 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-12-07 13:41:28,435 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2019-12-07 13:41:28,522 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:41:28,523 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:41:28,523 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:41:28,523 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:41:28,523 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:41:28,523 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:28,523 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:41:28,523 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:41:28,523 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn-alloca-2.i_Iteration2_Lasso [2019-12-07 13:41:28,523 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:41:28,524 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:41:28,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,785 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-12-07 13:41:28,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:28,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:29,275 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:41:29,278 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:29,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:29,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:29,288 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:29,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:29,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:29,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:29,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:29,306 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:29,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:29,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:29,313 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:29,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:29,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:29,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:29,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:29,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:29,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:29,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:29,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:29,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:29,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:29,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:29,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:29,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:29,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:29,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:29,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:29,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:29,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:29,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:29,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:29,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:29,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:29,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:29,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:29,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:29,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:29,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:29,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:29,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:29,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:29,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:29,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:29,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:29,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:29,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:29,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:29,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:29,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:29,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:29,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:29,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:29,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:29,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:29,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:29,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:29,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:29,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:29,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:29,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:29,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:29,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:29,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:29,524 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:41:29,546 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-12-07 13:41:29,546 INFO L444 ModelExtractionUtils]: 16 out of 28 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:29,553 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:41:29,560 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 13:41:29,560 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:41:29,561 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrspn_~sc1~0.base)_1, ULTIMATE.start_cstrspn_~sc1~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrspn_~sc1~0.base)_1 - 1*ULTIMATE.start_cstrspn_~sc1~0.offset Supporting invariants [] [2019-12-07 13:41:29,587 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-12-07 13:41:29,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 13:41:29,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:41:29,624 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:41:29,625 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:41:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:41:29,641 INFO L264 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 13:41:29,642 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:41:29,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:41:29,657 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 [2019-12-07 13:41:29,658 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-12-07 13:41:29,700 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 21 states and 28 transitions. Complement of second has 4 states. [2019-12-07 13:41:29,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 13:41:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 13:41:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-12-07 13:41:29,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2019-12-07 13:41:29,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:41:29,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2019-12-07 13:41:29,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:41:29,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2019-12-07 13:41:29,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:41:29,704 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-12-07 13:41:29,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 13:41:29,706 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2019-12-07 13:41:29,706 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 13:41:29,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-12-07 13:41:29,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-12-07 13:41:29,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 13:41:29,707 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-12-07 13:41:29,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-12-07 13:41:29,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 13:41:29,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 13:41:29,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-12-07 13:41:29,708 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-12-07 13:41:29,709 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-12-07 13:41:29,709 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 13:41:29,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-12-07 13:41:29,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 13:41:29,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:41:29,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:41:29,710 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:41:29,710 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 13:41:29,710 INFO L794 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 186#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 180#L565 assume !(main_~length1~0 < 1); 181#L565-2 assume !(main_~length2~0 < 1); 179#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem4, cstrspn_#t~post8.base, cstrspn_#t~post8.offset, cstrspn_#t~mem5, cstrspn_#t~mem6, cstrspn_#t~short7, cstrspn_#t~mem9, cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 173#L552-4 call cstrspn_#t~mem3 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 175#L552-1 assume !!(0 != cstrspn_#t~mem3);havoc cstrspn_#t~mem3;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem4 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem4;havoc cstrspn_#t~mem4; 188#L555-5 [2019-12-07 13:41:29,710 INFO L796 eck$LassoCheckResult]: Loop: 188#L555-5 call cstrspn_#t~mem5 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short7 := 0 != cstrspn_#t~mem5; 182#L555-1 assume cstrspn_#t~short7;call cstrspn_#t~mem6 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short7 := cstrspn_#t~mem6 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 183#L555-3 assume !!cstrspn_#t~short7;havoc cstrspn_#t~mem5;havoc cstrspn_#t~mem6;havoc cstrspn_#t~short7;cstrspn_#t~post8.base, cstrspn_#t~post8.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post8.base, 1 + cstrspn_#t~post8.offset;havoc cstrspn_#t~post8.base, cstrspn_#t~post8.offset; 188#L555-5 [2019-12-07 13:41:29,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:29,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2019-12-07 13:41:29,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:41:29,710 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236556414] [2019-12-07 13:41:29,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:41:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:29,738 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:41:29,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:29,739 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2019-12-07 13:41:29,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:41:29,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706694215] [2019-12-07 13:41:29,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:41:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:29,750 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:41:29,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:29,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2019-12-07 13:41:29,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:41:29,751 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190990487] [2019-12-07 13:41:29,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:41:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:29,798 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:41:30,149 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 97 [2019-12-07 13:41:30,246 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:41:30,246 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:41:30,247 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:41:30,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:41:30,247 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:41:30,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:30,247 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:41:30,247 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:41:30,247 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn-alloca-2.i_Iteration3_Lasso [2019-12-07 13:41:30,247 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:41:30,247 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:41:30,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,470 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-12-07 13:41:30,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:30,900 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-12-07 13:41:30,973 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:41:30,973 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:30,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:30,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:30,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:30,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:30,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:30,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:30,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:30,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:30,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:30,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:30,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:30,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:30,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:30,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:30,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:30,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:30,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:30,990 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:30,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:30,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:30,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:30,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:30,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:30,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:30,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:30,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:30,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:31,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:31,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:31,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:31,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:31,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:31,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:31,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:31,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:31,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:31,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:31,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:31,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:31,031 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:31,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:31,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:31,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:31,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:31,048 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:31,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:31,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:31,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:31,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:31,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:31,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:31,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:31,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:31,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:31,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:31,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:31,073 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:31,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:31,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:31,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:31,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:31,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:31,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:31,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:31,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:31,109 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:31,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:31,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:31,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:31,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,142 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 13:41:31,142 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2019-12-07 13:41:31,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,170 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2019-12-07 13:41:31,170 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-12-07 13:41:31,259 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:31,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:31,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:31,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:31,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:31,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:31,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:31,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:31,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:31,291 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:41:31,310 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-12-07 13:41:31,311 INFO L444 ModelExtractionUtils]: 10 out of 46 variables were initially zero. Simplification set additionally 33 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:31,313 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:41:31,314 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 13:41:31,315 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:41:31,315 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2, ULTIMATE.start_cstrspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 - 1*ULTIMATE.start_cstrspn_~s~0.offset Supporting invariants [] [2019-12-07 13:41:31,350 INFO L297 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2019-12-07 13:41:31,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 13:41:31,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:41:31,376 INFO L264 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 13:41:31,377 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:41:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:41:31,389 INFO L264 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 13:41:31,389 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:41:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:41:31,401 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 13:41:31,402 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-12-07 13:41:31,433 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 43 states and 57 transitions. Complement of second has 6 states. [2019-12-07 13:41:31,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 13:41:31,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 13:41:31,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-12-07 13:41:31,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2019-12-07 13:41:31,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:41:31,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2019-12-07 13:41:31,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:41:31,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2019-12-07 13:41:31,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:41:31,435 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2019-12-07 13:41:31,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 13:41:31,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2019-12-07 13:41:31,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 13:41:31,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 13:41:31,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2019-12-07 13:41:31,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 13:41:31,437 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-12-07 13:41:31,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2019-12-07 13:41:31,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-12-07 13:41:31,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-07 13:41:31,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2019-12-07 13:41:31,439 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-12-07 13:41:31,439 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-12-07 13:41:31,440 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 13:41:31,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2019-12-07 13:41:31,440 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 13:41:31,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:41:31,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:41:31,441 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:41:31,441 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 13:41:31,441 INFO L794 eck$LassoCheckResult]: Stem: 368#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 367#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 361#L565 assume !(main_~length1~0 < 1); 362#L565-2 assume !(main_~length2~0 < 1); 360#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem4, cstrspn_#t~post8.base, cstrspn_#t~post8.offset, cstrspn_#t~mem5, cstrspn_#t~mem6, cstrspn_#t~short7, cstrspn_#t~mem9, cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 353#L552-4 call cstrspn_#t~mem3 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 354#L552-1 assume !!(0 != cstrspn_#t~mem3);havoc cstrspn_#t~mem3;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem4 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem4;havoc cstrspn_#t~mem4; 370#L555-5 call cstrspn_#t~mem5 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short7 := 0 != cstrspn_#t~mem5; 375#L555-1 assume !cstrspn_#t~short7; 374#L555-3 assume !cstrspn_#t~short7;havoc cstrspn_#t~mem5;havoc cstrspn_#t~mem6;havoc cstrspn_#t~short7; 373#L555-6 call cstrspn_#t~mem9 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 358#L557 assume !(cstrspn_#t~mem9 != cstrspn_~c~0);havoc cstrspn_#t~mem9; 359#L552-3 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset; 355#L552-4 call cstrspn_#t~mem3 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 357#L552-1 assume !!(0 != cstrspn_#t~mem3);havoc cstrspn_#t~mem3;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem4 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem4;havoc cstrspn_#t~mem4; 369#L555-5 [2019-12-07 13:41:31,441 INFO L796 eck$LassoCheckResult]: Loop: 369#L555-5 call cstrspn_#t~mem5 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short7 := 0 != cstrspn_#t~mem5; 363#L555-1 assume cstrspn_#t~short7;call cstrspn_#t~mem6 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short7 := cstrspn_#t~mem6 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 364#L555-3 assume !!cstrspn_#t~short7;havoc cstrspn_#t~mem5;havoc cstrspn_#t~mem6;havoc cstrspn_#t~short7;cstrspn_#t~post8.base, cstrspn_#t~post8.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post8.base, 1 + cstrspn_#t~post8.offset;havoc cstrspn_#t~post8.base, cstrspn_#t~post8.offset; 369#L555-5 [2019-12-07 13:41:31,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:31,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2019-12-07 13:41:31,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:41:31,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416509857] [2019-12-07 13:41:31,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:41:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:41:31,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:41:31,483 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416509857] [2019-12-07 13:41:31,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:41:31,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 13:41:31,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646322831] [2019-12-07 13:41:31,483 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 13:41:31,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:31,483 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2019-12-07 13:41:31,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:41:31,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274279194] [2019-12-07 13:41:31,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:41:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:31,491 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:41:31,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:41:31,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:41:31,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:41:31,601 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-12-07 13:41:31,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:41:31,655 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2019-12-07 13:41:31,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 13:41:31,655 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2019-12-07 13:41:31,656 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 13:41:31,657 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2019-12-07 13:41:31,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 13:41:31,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 13:41:31,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2019-12-07 13:41:31,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 13:41:31,657 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-12-07 13:41:31,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2019-12-07 13:41:31,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2019-12-07 13:41:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 13:41:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-12-07 13:41:31,659 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-12-07 13:41:31,659 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-12-07 13:41:31,659 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 13:41:31,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-12-07 13:41:31,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 13:41:31,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:41:31,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:41:31,660 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:41:31,660 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 13:41:31,660 INFO L794 eck$LassoCheckResult]: Stem: 440#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 439#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 433#L565 assume !(main_~length1~0 < 1); 434#L565-2 assume !(main_~length2~0 < 1); 432#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem4, cstrspn_#t~post8.base, cstrspn_#t~post8.offset, cstrspn_#t~mem5, cstrspn_#t~mem6, cstrspn_#t~short7, cstrspn_#t~mem9, cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 425#L552-4 call cstrspn_#t~mem3 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 426#L552-1 assume !!(0 != cstrspn_#t~mem3);havoc cstrspn_#t~mem3;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem4 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem4;havoc cstrspn_#t~mem4; 442#L555-5 call cstrspn_#t~mem5 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short7 := 0 != cstrspn_#t~mem5; 443#L555-1 assume cstrspn_#t~short7;call cstrspn_#t~mem6 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short7 := cstrspn_#t~mem6 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 445#L555-3 assume !cstrspn_#t~short7;havoc cstrspn_#t~mem5;havoc cstrspn_#t~mem6;havoc cstrspn_#t~short7; 444#L555-6 call cstrspn_#t~mem9 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 430#L557 assume !(cstrspn_#t~mem9 != cstrspn_~c~0);havoc cstrspn_#t~mem9; 431#L552-3 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset; 427#L552-4 call cstrspn_#t~mem3 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 429#L552-1 assume !!(0 != cstrspn_#t~mem3);havoc cstrspn_#t~mem3;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem4 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem4;havoc cstrspn_#t~mem4; 441#L555-5 [2019-12-07 13:41:31,660 INFO L796 eck$LassoCheckResult]: Loop: 441#L555-5 call cstrspn_#t~mem5 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short7 := 0 != cstrspn_#t~mem5; 435#L555-1 assume cstrspn_#t~short7;call cstrspn_#t~mem6 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short7 := cstrspn_#t~mem6 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 436#L555-3 assume !!cstrspn_#t~short7;havoc cstrspn_#t~mem5;havoc cstrspn_#t~mem6;havoc cstrspn_#t~short7;cstrspn_#t~post8.base, cstrspn_#t~post8.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post8.base, 1 + cstrspn_#t~post8.offset;havoc cstrspn_#t~post8.base, cstrspn_#t~post8.offset; 441#L555-5 [2019-12-07 13:41:31,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:31,660 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2019-12-07 13:41:31,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:41:31,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702745153] [2019-12-07 13:41:31,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:41:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:31,685 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:41:31,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:31,686 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2019-12-07 13:41:31,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:41:31,686 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946070155] [2019-12-07 13:41:31,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:41:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:31,692 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:41:31,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:31,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2019-12-07 13:41:31,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:41:31,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275973949] [2019-12-07 13:41:31,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:41:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:41:31,718 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:41:32,281 WARN L192 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 135 [2019-12-07 13:41:33,116 WARN L192 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2019-12-07 13:41:33,118 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:41:33,118 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:41:33,118 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:41:33,118 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:41:33,119 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:41:33,119 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:33,119 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:41:33,119 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:41:33,119 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn-alloca-2.i_Iteration5_Lasso [2019-12-07 13:41:33,119 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:41:33,119 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:41:33,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,318 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 13:41:33,879 WARN L192 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-12-07 13:41:33,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:33,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:41:34,441 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2019-12-07 13:41:34,574 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-12-07 13:41:34,702 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:41:34,702 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:34,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:34,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:34,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:34,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:34,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:34,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:34,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:34,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:34,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:34,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:34,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:34,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:34,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:34,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:34,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:34,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:34,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:34,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:34,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:34,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:34,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:34,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:34,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:34,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:34,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:34,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:34,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:34,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:34,732 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:34,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:34,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:34,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:34,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:34,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:34,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:34,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:34,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:34,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:34,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:34,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:34,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:34,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:34,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:34,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:34,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:34,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:34,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:34,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:34,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:34,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:34,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:34,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:34,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:34,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:34,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:34,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:34,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:41:34,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:34,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:34,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:34,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:41:34,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:41:34,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,778 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-12-07 13:41:34,778 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2019-12-07 13:41:34,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:34,831 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2019-12-07 13:41:34,831 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-12-07 13:41:34,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:34,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:34,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:34,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:34,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:34,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:34,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:41:34,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:41:34,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:41:34,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:41:34,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:41:35,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:41:35,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:41:35,019 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:41:35,045 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2019-12-07 13:41:35,046 INFO L444 ModelExtractionUtils]: 33 out of 52 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5d4c927-730c-4594-bc2e-f80f7e1cf4bf/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:41:35,048 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:41:35,050 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 13:41:35,050 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:41:35,050 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrspn_~s2.base)_1, ULTIMATE.start_cstrspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrspn_~s2.base)_1 - 1*ULTIMATE.start_cstrspn_~s~0.offset Supporting invariants [] [2019-12-07 13:41:35,139 INFO L297 tatePredicateManager]: 26 out of 28 supporting invariants were superfluous and have been removed [2019-12-07 13:41:35,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 13:41:35,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:41:35,171 INFO L264 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 13:41:35,172 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:41:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:41:35,184 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 13:41:35,184 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:41:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:41:35,195 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 13:41:35,195 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-12-07 13:41:35,223 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 41 states and 51 transitions. Complement of second has 6 states. [2019-12-07 13:41:35,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 13:41:35,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 13:41:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-12-07 13:41:35,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-12-07 13:41:35,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:41:35,224 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 13:41:35,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:41:35,254 INFO L264 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 13:41:35,255 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:41:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:41:35,267 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 13:41:35,267 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:41:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:41:35,278 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 13:41:35,278 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-12-07 13:41:35,303 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 41 states and 51 transitions. Complement of second has 6 states. [2019-12-07 13:41:35,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 13:41:35,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 13:41:35,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-12-07 13:41:35,304 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-12-07 13:41:35,304 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:41:35,304 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 13:41:35,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:41:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:41:35,331 INFO L264 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 13:41:35,332 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:41:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:41:35,344 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 13:41:35,344 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:41:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:41:35,355 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 13:41:35,355 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-12-07 13:41:35,383 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 41 states and 53 transitions. Complement of second has 5 states. [2019-12-07 13:41:35,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 13:41:35,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 13:41:35,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2019-12-07 13:41:35,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2019-12-07 13:41:35,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:41:35,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2019-12-07 13:41:35,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:41:35,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2019-12-07 13:41:35,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:41:35,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2019-12-07 13:41:35,387 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:41:35,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2019-12-07 13:41:35,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 13:41:35,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 13:41:35,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 13:41:35,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:41:35,388 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:41:35,388 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:41:35,388 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:41:35,388 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 13:41:35,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:41:35,388 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:41:35,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 13:41:35,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:41:35 BoogieIcfgContainer [2019-12-07 13:41:35,393 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 13:41:35,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:41:35,393 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:41:35,393 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:41:35,394 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:41:27" (3/4) ... [2019-12-07 13:41:35,396 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:41:35,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:41:35,397 INFO L168 Benchmark]: Toolchain (without parser) took 8378.81 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 289.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 86.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:41:35,397 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:41:35,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:41:35,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:41:35,398 INFO L168 Benchmark]: Boogie Preprocessor took 24.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:41:35,398 INFO L168 Benchmark]: RCFGBuilder took 223.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:41:35,399 INFO L168 Benchmark]: BuchiAutomizer took 7782.14 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -80.8 MB). Peak memory consumption was 98.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:41:35,399 INFO L168 Benchmark]: Witness Printer took 2.89 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:41:35,401 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 307.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 223.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7782.14 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -80.8 MB). Peak memory consumption was 98.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.89 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[sc1] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[s2] + -1 * s and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.7s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 7.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 105 SDtfs, 139 SDslu, 72 SDs, 0 SdLazy, 102 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital368 mio100 ax105 hnf99 lsp87 ukn72 mio100 lsp31 div131 bol100 ite100 ukn100 eq168 hnf77 smp92 dnf691 smp24 tf100 neg96 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 199ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 132 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! Received shutdown request...