./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.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_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 a1e56cd09ec23c2fd76dcb47b6d93a02131ca6ec ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:32:32,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:32:32,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:32:32,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:32:32,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:32:32,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:32:32,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:32:32,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:32:32,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:32:32,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:32:32,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:32:32,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:32:32,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:32:32,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:32:32,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:32:32,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:32:32,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:32:32,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:32:32,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:32:32,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:32:32,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:32:32,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:32:32,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:32:32,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:32:32,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:32:32,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:32:32,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:32:32,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:32:32,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:32:32,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:32:32,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:32:32,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:32:32,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:32:32,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:32:32,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:32:32,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:32:32,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:32:32,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:32:32,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:32:32,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:32:32,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:32:32,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:32:32,353 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:32:32,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:32:32,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:32:32,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:32:32,354 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:32:32,354 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:32:32,354 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:32:32,354 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:32:32,354 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:32:32,354 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:32:32,355 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:32:32,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:32:32,355 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:32:32,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:32:32,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:32:32,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:32:32,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:32:32,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:32:32,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:32:32,356 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:32:32,356 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:32:32,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:32:32,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:32:32,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:32:32,356 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:32:32,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:32:32,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:32:32,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:32:32,357 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:32:32,357 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:32:32,357 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_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 -> a1e56cd09ec23c2fd76dcb47b6d93a02131ca6ec [2019-12-07 17:32:32,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:32:32,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:32:32,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:32:32,468 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:32:32,468 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:32:32,469 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i [2019-12-07 17:32:32,509 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/data/46ed8e17b/00612a46162d4471a496a07894e06866/FLAGbbafc4b65 [2019-12-07 17:32:32,947 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:32:32,947 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i [2019-12-07 17:32:32,957 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/data/46ed8e17b/00612a46162d4471a496a07894e06866/FLAGbbafc4b65 [2019-12-07 17:32:32,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/data/46ed8e17b/00612a46162d4471a496a07894e06866 [2019-12-07 17:32:32,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:32:32,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:32:32,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:32:32,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:32:32,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:32:32,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:32:32" (1/1) ... [2019-12-07 17:32:32,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a374d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:32:32, skipping insertion in model container [2019-12-07 17:32:32,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:32:32" (1/1) ... [2019-12-07 17:32:32,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:32:33,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:32:33,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:32:33,208 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:32:33,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:32:33,267 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:32:33,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:32:33 WrapperNode [2019-12-07 17:32:33,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:32:33,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:32:33,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:32:33,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:32:33,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:32:33" (1/1) ... [2019-12-07 17:32:33,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:32:33" (1/1) ... [2019-12-07 17:32:33,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:32:33,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:32:33,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:32:33,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:32:33,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:32:33" (1/1) ... [2019-12-07 17:32:33,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:32:33" (1/1) ... [2019-12-07 17:32:33,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:32:33" (1/1) ... [2019-12-07 17:32:33,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:32:33" (1/1) ... [2019-12-07 17:32:33,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:32:33" (1/1) ... [2019-12-07 17:32:33,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:32:33" (1/1) ... [2019-12-07 17:32:33,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:32:33" (1/1) ... [2019-12-07 17:32:33,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:32:33,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:32:33,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:32:33,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:32:33,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:32:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:32:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:32:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:32:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:32:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:32:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:32:33,558 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:32:33,558 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 17:32:33,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:32:33 BoogieIcfgContainer [2019-12-07 17:32:33,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:32:33,559 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:32:33,559 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:32:33,561 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:32:33,562 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:32:33,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:32:32" (1/3) ... [2019-12-07 17:32:33,563 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@550aa23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:32:33, skipping insertion in model container [2019-12-07 17:32:33,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:32:33,563 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:32:33" (2/3) ... [2019-12-07 17:32:33,563 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@550aa23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:32:33, skipping insertion in model container [2019-12-07 17:32:33,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:32:33,563 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:32:33" (3/3) ... [2019-12-07 17:32:33,564 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrstr-alloca-1.i [2019-12-07 17:32:33,592 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:32:33,592 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:32:33,592 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:32:33,592 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:32:33,592 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:32:33,592 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:32:33,592 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:32:33,592 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:32:33,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states. [2019-12-07 17:32:33,615 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2019-12-07 17:32:33,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:32:33,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:32:33,620 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:32:33,620 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:32:33,620 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:32:33,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states. [2019-12-07 17:32:33,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2019-12-07 17:32:33,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:32:33,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:32:33,622 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:32:33,622 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:32:33,627 INFO L794 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, 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~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 3#L588true assume !(main_~length1~0 < 1); 6#L588-2true assume !(main_~length2~0 < 1); 15#L591-1true call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.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);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 27#L573true assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 18#L551-4true [2019-12-07 17:32:33,627 INFO L796 eck$LassoCheckResult]: Loop: 18#L551-4true call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 29#L551-1true assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 14#L551-3true cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 18#L551-4true [2019-12-07 17:32:33,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:33,631 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2019-12-07 17:32:33,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:33,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627930547] [2019-12-07 17:32:33,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:33,755 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:33,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:33,756 INFO L82 PathProgramCache]: Analyzing trace with hash 51799, now seen corresponding path program 1 times [2019-12-07 17:32:33,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:33,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249283577] [2019-12-07 17:32:33,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:33,765 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:33,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:33,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1298288364, now seen corresponding path program 1 times [2019-12-07 17:32:33,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:33,766 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677539739] [2019-12-07 17:32:33,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:33,803 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:34,175 WARN L192 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 108 [2019-12-07 17:32:34,300 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-12-07 17:32:34,308 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:32:34,308 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:32:34,308 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:32:34,309 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:32:34,309 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:32:34,309 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:34,309 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:32:34,309 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:32:34,309 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-1.i_Iteration1_Lasso [2019-12-07 17:32:34,309 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:32:34,309 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:32:34,329 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 17:32:34,334 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 17:32:34,335 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 17:32:34,337 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 17:32:34,339 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 17:32:34,340 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 17:32:34,343 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 17:32:34,345 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 17:32:34,346 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 17:32:34,347 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 17:32:34,349 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 17:32:34,351 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 17:32:34,352 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 17:32:34,353 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 17:32:34,354 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 17:32:34,635 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-12-07 17:32:34,692 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 17:32:34,693 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 17:32:34,695 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 17:32:34,696 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 17:32:34,698 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 17:32:34,700 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 17:32:34,701 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 17:32:34,702 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 17:32:34,704 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 17:32:34,712 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 17:32:34,713 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 17:32:34,714 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 17:32:34,715 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 17:32:34,717 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 17:32:35,054 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:32:35,057 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,061 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 17:32:35,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:35,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:35,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:35,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,071 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 17:32:35,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:35,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:35,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:35,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,078 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 17:32:35,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:35,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:35,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:35,082 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,086 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 17:32:35,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:35,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:35,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:35,089 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,092 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 17:32:35,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:35,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:35,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:35,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,100 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 17:32:35,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:35,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:35,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,112 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 17:32:35,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:35,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:35,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:35,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,120 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 17:32:35,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:35,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:35,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:35,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,128 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 17:32:35,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:35,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:35,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:35,131 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,135 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 17:32:35,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:35,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:35,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,145 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 17:32:35,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:35,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:35,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:35,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,152 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 17:32:35,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:35,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:35,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:35,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,159 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 17:32:35,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:35,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:35,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:35,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,165 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 17:32:35,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:35,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:35,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,174 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 17:32:35,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:35,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:35,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,200 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 17:32:35,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:35,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:35,208 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,212 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 17:32:35,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:35,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:35,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,224 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 17:32:35,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,226 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 17:32:35,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,228 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 17:32:35,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:35,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,237 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 17:32:35,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:35,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:35,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,248 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 17:32:35,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:35,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:35,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:35,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:35,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:35,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:35,273 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:32:35,303 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-12-07 17:32:35,303 INFO L444 ModelExtractionUtils]: 26 out of 37 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:35,308 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:32:35,319 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:32:35,319 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:32:35,320 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc23.base)_1, ULTIMATE.start_cstrlen_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc23.base)_1 - 1*ULTIMATE.start_cstrlen_~s~0.offset Supporting invariants [] [2019-12-07 17:32:35,363 INFO L297 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2019-12-07 17:32:35,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:32:35,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:35,409 INFO L264 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 17:32:35,411 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:32:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:35,430 WARN L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:32:35,430 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:32:35,443 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 17:32:35,458 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 17:32:35,459 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states. Second operand 4 states. [2019-12-07 17:32:35,541 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states.. Second operand 4 states. Result 80 states and 111 transitions. Complement of second has 7 states. [2019-12-07 17:32:35,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:32:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:32:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 77 transitions. [2019-12-07 17:32:35,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 77 transitions. Stem has 6 letters. Loop has 3 letters. [2019-12-07 17:32:35,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:35,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 77 transitions. Stem has 9 letters. Loop has 3 letters. [2019-12-07 17:32:35,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:35,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 77 transitions. Stem has 6 letters. Loop has 6 letters. [2019-12-07 17:32:35,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:35,548 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 111 transitions. [2019-12-07 17:32:35,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2019-12-07 17:32:35,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 27 states and 36 transitions. [2019-12-07 17:32:35,557 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2019-12-07 17:32:35,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2019-12-07 17:32:35,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 36 transitions. [2019-12-07 17:32:35,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:32:35,558 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-12-07 17:32:35,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 36 transitions. [2019-12-07 17:32:35,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 17:32:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 17:32:35,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2019-12-07 17:32:35,577 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-12-07 17:32:35,577 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2019-12-07 17:32:35,577 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:32:35,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 36 transitions. [2019-12-07 17:32:35,578 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2019-12-07 17:32:35,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:32:35,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:32:35,578 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:32:35,578 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:32:35,579 INFO L794 eck$LassoCheckResult]: Stem: 257#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 238#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, 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~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 231#L588 assume !(main_~length1~0 < 1); 232#L588-2 assume !(main_~length2~0 < 1); 237#L591-1 call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.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);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 248#L573 assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 250#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 252#L551-1 assume !(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 253#L551-5 assume cstrlen_~s~0.base == cstrlen_~str.base;cstrlen_#res := (if cstrlen_~s~0.offset - cstrlen_~str.offset < 0 && 0 != (cstrlen_~s~0.offset - cstrlen_~str.offset) % 1 then 1 + (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1 else (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1); 254#L553 cstrstr_#t~ret15 := cstrlen_#res;cstrstr_~len~0 := cstrstr_#t~ret15;havoc cstrstr_#t~ret15; 256#L575-4 [2019-12-07 17:32:35,579 INFO L796 eck$LassoCheckResult]: Loop: 256#L575-4 goto; 239#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 233#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 234#L576 assume !(cstrstr_~sc~0 != cstrstr_~c~0); 255#L575-1 cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~len~0;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, cstrncmp_#t~mem7, cstrncmp_#t~mem9, cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, cstrncmp_#t~mem10, cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, cstrncmp_#t~mem12, cstrncmp_#t~pre4, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 246#L558 assume 0 == cstrncmp_~n % 4294967296;cstrncmp_#res := 0; 235#L566 cstrstr_#t~ret16 := cstrncmp_#res; 236#L575-2 assume !!(0 != cstrstr_#t~ret16);havoc cstrstr_#t~ret16; 256#L575-4 [2019-12-07 17:32:35,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:35,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1592231857, now seen corresponding path program 1 times [2019-12-07 17:32:35,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:35,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280963809] [2019-12-07 17:32:35,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:35,621 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:35,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:35,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1752516368, now seen corresponding path program 1 times [2019-12-07 17:32:35,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:35,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165472264] [2019-12-07 17:32:35,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:35,652 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 17:32:35,652 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165472264] [2019-12-07 17:32:35,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:32:35,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:32:35,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72741231] [2019-12-07 17:32:35,655 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 17:32:35,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:32:35,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:32:35,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:32:35,658 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-12-07 17:32:35,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:32:35,678 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2019-12-07 17:32:35,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:32:35,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2019-12-07 17:32:35,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-12-07 17:32:35,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 26 states and 32 transitions. [2019-12-07 17:32:35,680 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2019-12-07 17:32:35,680 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2019-12-07 17:32:35,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2019-12-07 17:32:35,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:32:35,680 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2019-12-07 17:32:35,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2019-12-07 17:32:35,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-12-07 17:32:35,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 17:32:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2019-12-07 17:32:35,683 INFO L711 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2019-12-07 17:32:35,683 INFO L591 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2019-12-07 17:32:35,683 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 17:32:35,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 32 transitions. [2019-12-07 17:32:35,684 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-12-07 17:32:35,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:32:35,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:32:35,685 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:32:35,685 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:32:35,685 INFO L794 eck$LassoCheckResult]: Stem: 319#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 317#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, 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~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 308#L588 assume !(main_~length1~0 < 1); 309#L588-2 assume !(main_~length2~0 < 1); 298#L591-1 call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.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);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 299#L573 assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 303#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 305#L551-1 assume !(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 306#L551-5 assume cstrlen_~s~0.base == cstrlen_~str.base;cstrlen_#res := (if cstrlen_~s~0.offset - cstrlen_~str.offset < 0 && 0 != (cstrlen_~s~0.offset - cstrlen_~str.offset) % 1 then 1 + (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1 else (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1); 307#L553 cstrstr_#t~ret15 := cstrlen_#res;cstrstr_~len~0 := cstrstr_#t~ret15;havoc cstrstr_#t~ret15; 318#L575-4 [2019-12-07 17:32:35,685 INFO L796 eck$LassoCheckResult]: Loop: 318#L575-4 goto; 316#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 311#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 312#L576 assume !(cstrstr_~sc~0 != cstrstr_~c~0); 315#L575-1 cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~len~0;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, cstrncmp_#t~mem7, cstrncmp_#t~mem9, cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, cstrncmp_#t~mem10, cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, cstrncmp_#t~mem12, cstrncmp_#t~pre4, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 300#L558 assume !(0 == cstrncmp_~n % 4294967296); 301#L560-4 call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post5.base, 1 + cstrncmp_#t~post5.offset;call cstrncmp_#t~mem7 := read~int(cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, 1); 310#L561 assume cstrncmp_#t~mem6 != cstrncmp_#t~mem7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~mem7;havoc cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset;call cstrncmp_#t~mem9 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset - 1;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset - 1;call cstrncmp_#t~mem10 := read~int(cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, 1);cstrncmp_#res := cstrncmp_#t~mem9 % 256 - cstrncmp_#t~mem10 % 256;havoc cstrncmp_#t~mem10;havoc cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset;havoc cstrncmp_#t~mem9; 313#L566 cstrstr_#t~ret16 := cstrncmp_#res; 314#L575-2 assume !!(0 != cstrstr_#t~ret16);havoc cstrstr_#t~ret16; 318#L575-4 [2019-12-07 17:32:35,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:35,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1592231857, now seen corresponding path program 2 times [2019-12-07 17:32:35,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:35,686 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931626754] [2019-12-07 17:32:35,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:35,719 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:35,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:35,719 INFO L82 PathProgramCache]: Analyzing trace with hash 542190293, now seen corresponding path program 1 times [2019-12-07 17:32:35,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:35,720 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897246492] [2019-12-07 17:32:35,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:35,742 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:35,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:35,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1106695813, now seen corresponding path program 1 times [2019-12-07 17:32:35,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:35,743 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504061976] [2019-12-07 17:32:35,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:35,829 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 17:32:35,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504061976] [2019-12-07 17:32:35,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:32:35,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 17:32:35,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143739085] [2019-12-07 17:32:36,004 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-12-07 17:32:36,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:32:36,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 17:32:36,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 17:32:36,051 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. cyclomatic complexity: 8 Second operand 6 states. [2019-12-07 17:32:36,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:32:36,104 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2019-12-07 17:32:36,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 17:32:36,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 43 transitions. [2019-12-07 17:32:36,105 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2019-12-07 17:32:36,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 35 states and 41 transitions. [2019-12-07 17:32:36,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2019-12-07 17:32:36,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2019-12-07 17:32:36,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 41 transitions. [2019-12-07 17:32:36,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:32:36,106 INFO L688 BuchiCegarLoop]: Abstraction has 35 states and 41 transitions. [2019-12-07 17:32:36,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 41 transitions. [2019-12-07 17:32:36,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-12-07 17:32:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 17:32:36,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2019-12-07 17:32:36,108 INFO L711 BuchiCegarLoop]: Abstraction has 33 states and 39 transitions. [2019-12-07 17:32:36,108 INFO L591 BuchiCegarLoop]: Abstraction has 33 states and 39 transitions. [2019-12-07 17:32:36,108 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 17:32:36,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 39 transitions. [2019-12-07 17:32:36,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2019-12-07 17:32:36,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:32:36,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:32:36,109 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:32:36,109 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:32:36,109 INFO L794 eck$LassoCheckResult]: Stem: 401#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 397#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, 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~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 389#L588 assume !(main_~length1~0 < 1); 390#L588-2 assume !(main_~length2~0 < 1); 378#L591-1 call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.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);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 379#L573 assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 383#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 385#L551-1 assume !(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 387#L551-5 assume cstrlen_~s~0.base == cstrlen_~str.base;cstrlen_#res := (if cstrlen_~s~0.offset - cstrlen_~str.offset < 0 && 0 != (cstrlen_~s~0.offset - cstrlen_~str.offset) % 1 then 1 + (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1 else (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1); 388#L553 cstrstr_#t~ret15 := cstrlen_#res;cstrstr_~len~0 := cstrstr_#t~ret15;havoc cstrstr_#t~ret15; 404#L575-4 goto; 396#L576-2 [2019-12-07 17:32:36,109 INFO L796 eck$LassoCheckResult]: Loop: 396#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 392#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 393#L576 assume !!(cstrstr_~sc~0 != cstrstr_~c~0); 396#L576-2 [2019-12-07 17:32:36,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:36,110 INFO L82 PathProgramCache]: Analyzing trace with hash 2114547350, now seen corresponding path program 1 times [2019-12-07 17:32:36,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:36,110 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176638400] [2019-12-07 17:32:36,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:36,128 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:36,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:36,128 INFO L82 PathProgramCache]: Analyzing trace with hash 71663, now seen corresponding path program 1 times [2019-12-07 17:32:36,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:36,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317845223] [2019-12-07 17:32:36,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:36,133 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:36,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:36,134 INFO L82 PathProgramCache]: Analyzing trace with hash 194815290, now seen corresponding path program 1 times [2019-12-07 17:32:36,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:36,134 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414887189] [2019-12-07 17:32:36,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:36,152 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:36,495 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 127 [2019-12-07 17:32:36,618 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-12-07 17:32:36,621 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:32:36,621 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:32:36,621 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:32:36,621 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:32:36,621 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:32:36,621 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:36,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:32:36,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:32:36,621 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-1.i_Iteration4_Lasso [2019-12-07 17:32:36,622 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:32:36,622 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:32:36,624 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 17:32:36,626 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 17:32:36,627 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 17:32:36,628 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 17:32:36,629 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 17:32:36,631 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 17:32:36,633 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 17:32:36,634 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 17:32:36,635 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 17:32:36,636 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 17:32:36,638 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 17:32:36,648 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 17:32:36,649 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 17:32:36,651 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 17:32:36,652 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 17:32:36,652 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 17:32:36,654 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 17:32:36,655 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 17:32:36,656 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 17:32:36,958 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-12-07 17:32:37,025 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 17:32:37,027 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 17:32:37,028 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 17:32:37,029 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 17:32:37,031 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 17:32:37,032 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 17:32:37,034 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 17:32:37,035 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 17:32:37,432 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:32:37,432 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,434 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 17:32:37,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,441 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 17:32:37,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,448 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 17:32:37,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,454 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 17:32:37,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,460 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 17:32:37,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,467 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 17:32:37,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,473 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 17:32:37,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:37,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:37,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,481 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 17:32:37,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,487 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 17:32:37,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,493 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 17:32:37,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:37,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:37,498 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,501 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 17:32:37,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,511 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 17:32:37,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,520 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 17:32:37,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,527 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 17:32:37,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,534 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 17:32:37,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,539 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,543 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 17:32:37,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:37,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:37,548 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,553 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 17:32:37,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,560 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 17:32:37,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:37,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:37,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:37,563 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,566 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 17:32:37,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:37,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:37,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,579 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 17:32:37,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:37,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:37,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,592 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 17:32:37,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,593 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 17:32:37,593 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2019-12-07 17:32:37,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,607 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2019-12-07 17:32:37,607 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2019-12-07 17:32:37,651 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,655 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 17:32:37,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:37,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:37,672 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,675 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 17:32:37,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:37,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:37,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,684 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 17:32:37,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:37,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:37,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,694 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 17:32:37,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:37,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:37,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:37,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:37,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:37,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:37,708 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:32:37,729 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-12-07 17:32:37,729 INFO L444 ModelExtractionUtils]: 16 out of 25 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:37,732 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:32:37,734 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:32:37,734 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:32:37,734 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc22.base)_2, ULTIMATE.start_cstrstr_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc22.base)_2 - 1*ULTIMATE.start_cstrstr_~s.offset Supporting invariants [] [2019-12-07 17:32:37,793 INFO L297 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2019-12-07 17:32:37,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:32:37,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:37,821 INFO L264 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:32:37,821 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:32:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:37,826 WARN L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 17:32:37,826 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:32:37,844 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 17:32:37,845 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 17:32:37,845 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 39 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-12-07 17:32:37,871 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 39 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 50 states and 58 transitions. Complement of second has 5 states. [2019-12-07 17:32:37,872 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 17:32:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:32:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2019-12-07 17:32:37,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 11 letters. Loop has 3 letters. [2019-12-07 17:32:37,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:37,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 14 letters. Loop has 3 letters. [2019-12-07 17:32:37,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:37,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 11 letters. Loop has 6 letters. [2019-12-07 17:32:37,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:37,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 58 transitions. [2019-12-07 17:32:37,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 17:32:37,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 36 states and 42 transitions. [2019-12-07 17:32:37,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-12-07 17:32:37,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-12-07 17:32:37,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 42 transitions. [2019-12-07 17:32:37,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:32:37,875 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 42 transitions. [2019-12-07 17:32:37,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 42 transitions. [2019-12-07 17:32:37,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-07 17:32:37,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-07 17:32:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2019-12-07 17:32:37,877 INFO L711 BuchiCegarLoop]: Abstraction has 36 states and 42 transitions. [2019-12-07 17:32:37,877 INFO L591 BuchiCegarLoop]: Abstraction has 36 states and 42 transitions. [2019-12-07 17:32:37,877 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 17:32:37,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 42 transitions. [2019-12-07 17:32:37,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 17:32:37,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:32:37,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:32:37,878 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:32:37,878 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 17:32:37,878 INFO L794 eck$LassoCheckResult]: Stem: 650#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 643#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, 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~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 633#L588 assume !(main_~length1~0 < 1); 634#L588-2 assume !(main_~length2~0 < 1); 624#L591-1 call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.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);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 625#L573 assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 626#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 627#L551-1 assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 616#L551-3 cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 617#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 628#L551-1 assume !(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 629#L551-5 assume cstrlen_~s~0.base == cstrlen_~str.base;cstrlen_#res := (if cstrlen_~s~0.offset - cstrlen_~str.offset < 0 && 0 != (cstrlen_~s~0.offset - cstrlen_~str.offset) % 1 then 1 + (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1 else (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1); 630#L553 cstrstr_#t~ret15 := cstrlen_#res;cstrstr_~len~0 := cstrstr_#t~ret15;havoc cstrstr_#t~ret15; 644#L575-4 goto; 645#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 635#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 637#L576 assume !(cstrstr_~sc~0 != cstrstr_~c~0); 640#L575-1 cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~len~0;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, cstrncmp_#t~mem7, cstrncmp_#t~mem9, cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, cstrncmp_#t~mem10, cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, cstrncmp_#t~mem12, cstrncmp_#t~pre4, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 618#L558 assume !(0 == cstrncmp_~n % 4294967296); 619#L560-4 [2019-12-07 17:32:37,878 INFO L796 eck$LassoCheckResult]: Loop: 619#L560-4 call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post5.base, 1 + cstrncmp_#t~post5.offset;call cstrncmp_#t~mem7 := read~int(cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, 1); 631#L561 assume !(cstrncmp_#t~mem6 != cstrncmp_#t~mem7);havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~mem7;havoc cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset;cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post11.base, 1 + cstrncmp_#t~post11.offset;call cstrncmp_#t~mem12 := read~int(cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, 1); 646#L563 assume !(0 == cstrncmp_#t~mem12);havoc cstrncmp_#t~mem12;havoc cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset; 647#L560-1 cstrncmp_#t~pre4 := cstrncmp_~n - 1;cstrncmp_~n := cstrncmp_~n - 1; 622#L560-2 assume !!(0 != cstrncmp_#t~pre4 % 4294967296);havoc cstrncmp_#t~pre4; 619#L560-4 [2019-12-07 17:32:37,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:37,879 INFO L82 PathProgramCache]: Analyzing trace with hash -912258627, now seen corresponding path program 1 times [2019-12-07 17:32:37,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:37,879 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605883646] [2019-12-07 17:32:37,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:37,914 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:37,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:37,914 INFO L82 PathProgramCache]: Analyzing trace with hash 91772235, now seen corresponding path program 1 times [2019-12-07 17:32:37,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:37,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903299208] [2019-12-07 17:32:37,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:37,926 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:37,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:37,927 INFO L82 PathProgramCache]: Analyzing trace with hash -599457521, now seen corresponding path program 1 times [2019-12-07 17:32:37,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:37,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769483395] [2019-12-07 17:32:37,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:32:38,030 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769483395] [2019-12-07 17:32:38,030 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853222471] [2019-12-07 17:32:38,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:32:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:38,078 INFO L264 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 17:32:38,080 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:32:38,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:32:38,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:32:38,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2019-12-07 17:32:38,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398277064] [2019-12-07 17:32:38,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:32:38,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 17:32:38,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-12-07 17:32:38,207 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. cyclomatic complexity: 9 Second operand 11 states. [2019-12-07 17:32:38,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:32:38,307 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2019-12-07 17:32:38,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 17:32:38,308 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 83 transitions. [2019-12-07 17:32:38,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 17:32:38,309 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 41 states and 47 transitions. [2019-12-07 17:32:38,309 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-12-07 17:32:38,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-12-07 17:32:38,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 47 transitions. [2019-12-07 17:32:38,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:32:38,310 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 47 transitions. [2019-12-07 17:32:38,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 47 transitions. [2019-12-07 17:32:38,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2019-12-07 17:32:38,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-12-07 17:32:38,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2019-12-07 17:32:38,312 INFO L711 BuchiCegarLoop]: Abstraction has 39 states and 45 transitions. [2019-12-07 17:32:38,312 INFO L591 BuchiCegarLoop]: Abstraction has 39 states and 45 transitions. [2019-12-07 17:32:38,312 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 17:32:38,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 45 transitions. [2019-12-07 17:32:38,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 17:32:38,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:32:38,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:32:38,313 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:32:38,313 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 17:32:38,313 INFO L794 eck$LassoCheckResult]: Stem: 848#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 845#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, 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~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 835#L588 assume !(main_~length1~0 < 1); 836#L588-2 assume !(main_~length2~0 < 1); 824#L591-1 call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.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);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 825#L573 assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 828#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 829#L551-1 assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 818#L551-3 cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 819#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 830#L551-1 assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 855#L551-3 cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 856#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 854#L551-1 assume !(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 831#L551-5 assume cstrlen_~s~0.base == cstrlen_~str.base;cstrlen_#res := (if cstrlen_~s~0.offset - cstrlen_~str.offset < 0 && 0 != (cstrlen_~s~0.offset - cstrlen_~str.offset) % 1 then 1 + (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1 else (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1); 832#L553 cstrstr_#t~ret15 := cstrlen_#res;cstrstr_~len~0 := cstrstr_#t~ret15;havoc cstrstr_#t~ret15; 846#L575-4 goto; 847#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 837#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 839#L576 assume !(cstrstr_~sc~0 != cstrstr_~c~0); 842#L575-1 cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~len~0;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, cstrncmp_#t~mem7, cstrncmp_#t~mem9, cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, cstrncmp_#t~mem10, cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, cstrncmp_#t~mem12, cstrncmp_#t~pre4, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 820#L558 assume !(0 == cstrncmp_~n % 4294967296); 821#L560-4 [2019-12-07 17:32:38,313 INFO L796 eck$LassoCheckResult]: Loop: 821#L560-4 call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post5.base, 1 + cstrncmp_#t~post5.offset;call cstrncmp_#t~mem7 := read~int(cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, 1); 833#L561 assume !(cstrncmp_#t~mem6 != cstrncmp_#t~mem7);havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~mem7;havoc cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset;cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post11.base, 1 + cstrncmp_#t~post11.offset;call cstrncmp_#t~mem12 := read~int(cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, 1); 849#L563 assume !(0 == cstrncmp_#t~mem12);havoc cstrncmp_#t~mem12;havoc cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset; 850#L560-1 cstrncmp_#t~pre4 := cstrncmp_~n - 1;cstrncmp_~n := cstrncmp_~n - 1; 826#L560-2 assume !!(0 != cstrncmp_#t~pre4 % 4294967296);havoc cstrncmp_#t~pre4; 821#L560-4 [2019-12-07 17:32:38,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:38,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1478230621, now seen corresponding path program 2 times [2019-12-07 17:32:38,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:38,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557753138] [2019-12-07 17:32:38,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:38,337 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:38,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:38,337 INFO L82 PathProgramCache]: Analyzing trace with hash 91772235, now seen corresponding path program 2 times [2019-12-07 17:32:38,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:38,337 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144502255] [2019-12-07 17:32:38,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:38,344 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:38,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:38,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1703636079, now seen corresponding path program 2 times [2019-12-07 17:32:38,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:38,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148273935] [2019-12-07 17:32:38,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:38,376 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:39,192 WARN L192 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 185 [2019-12-07 17:32:39,421 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-12-07 17:32:39,424 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:32:39,424 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:32:39,424 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:32:39,424 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:32:39,424 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:32:39,424 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:39,424 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:32:39,424 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:32:39,424 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-1.i_Iteration6_Lasso [2019-12-07 17:32:39,424 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:32:39,424 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:32:39,427 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 17:32:39,429 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 17:32:39,430 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 17:32:39,431 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 17:32:39,432 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 17:32:39,434 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 17:32:39,434 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 17:32:39,435 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 17:32:39,437 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 17:32:39,438 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 17:32:39,440 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 17:32:39,441 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 17:32:39,442 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 17:32:39,443 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 17:32:39,444 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 17:32:39,445 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 17:32:39,446 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 17:32:39,448 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 17:32:39,450 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 17:32:39,451 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 17:32:39,452 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 17:32:39,454 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 17:32:39,455 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 17:32:39,457 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 17:32:39,458 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 17:32:39,460 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 17:32:39,461 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 17:32:39,463 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 17:32:39,465 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 17:32:39,466 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 17:32:39,467 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 17:32:39,468 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 17:32:39,469 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 17:32:39,471 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 17:32:39,472 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 17:32:39,473 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 17:32:39,474 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 17:32:39,475 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 17:32:39,477 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 17:32:40,229 WARN L192 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 133 [2019-12-07 17:32:40,427 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2019-12-07 17:32:40,671 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-12-07 17:32:41,045 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-12-07 17:32:41,195 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:32:41,196 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,198 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 17:32:41,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,200 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,204 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 17:32:41,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,209 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 17:32:41,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,216 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 17:32:41,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,219 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,224 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 17:32:41,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,229 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 17:32:41,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,235 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 17:32:41,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,241 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 17:32:41,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,246 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 17:32:41,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,249 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,252 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 17:32:41,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:41,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:41,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,261 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 17:32:41,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,267 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 17:32:41,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,272 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 17:32:41,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,278 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 17:32:41,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/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 17:32:41,284 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 17:32:41,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,290 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 17:32:41,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,297 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 17:32:41,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,303 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 17:32:41,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:41,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:41,307 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,310 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 17:32:41,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,313 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,317 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 17:32:41,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,322 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 17:32:41,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,328 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 17:32:41,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,331 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,335 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 17:32:41,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,342 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 17:32:41,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,348 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 17:32:41,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:41,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:41,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,356 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 17:32:41,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 76 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,363 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 17:32:41,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,368 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 17:32:41,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:41,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:41,373 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 78 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,376 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 17:32:41,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 79 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,382 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 17:32:41,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 80 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,389 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 17:32:41,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 81 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,395 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 17:32:41,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,397 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 82 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,400 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 17:32:41,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,406 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 17:32:41,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,413 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 17:32:41,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,415 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,419 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 17:32:41,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 86 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,424 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 17:32:41,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:41,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:41,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:41,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 87 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,431 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 17:32:41,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:41,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:41,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,439 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 17:32:41,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:41,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:41,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 89 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 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,450 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 17:32:41,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,452 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 17:32:41,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,453 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 17:32:41,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:41,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 90 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,459 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 17:32:41,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:41,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:41,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 91 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,486 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 17:32:41,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:41,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:41,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 92 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 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,494 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 17:32:41,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:41,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:41,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 93 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 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,511 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 17:32:41,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:41,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:41,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:41,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:41,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:41,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:41,562 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:32:41,702 INFO L443 ModelExtractionUtils]: Simplification made 49 calls to the SMT solver. [2019-12-07 17:32:41,702 INFO L444 ModelExtractionUtils]: 20 out of 85 variables were initially zero. Simplification set additionally 62 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:41,705 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:32:41,707 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:32:41,707 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:32:41,707 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncmp_~s1.offset, v_rep(select #length ULTIMATE.start_cstrstr_#in~s.base)_1) = -1*ULTIMATE.start_cstrncmp_~s1.offset + 1*v_rep(select #length ULTIMATE.start_cstrstr_#in~s.base)_1 Supporting invariants [] [2019-12-07 17:32:41,903 INFO L297 tatePredicateManager]: 51 out of 53 supporting invariants were superfluous and have been removed [2019-12-07 17:32:41,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:32:41,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:41,947 INFO L264 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 17:32:41,948 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:32:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:41,970 INFO L264 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 17:32:41,970 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:32:41,996 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 17:32:41,996 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2019-12-07 17:32:41,996 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 9 Second operand 6 states. [2019-12-07 17:32:42,042 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 9. Second operand 6 states. Result 86 states and 99 transitions. Complement of second has 9 states. [2019-12-07 17:32:42,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:32:42,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 17:32:42,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 35 transitions. [2019-12-07 17:32:42,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 22 letters. Loop has 5 letters. [2019-12-07 17:32:42,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:42,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 27 letters. Loop has 5 letters. [2019-12-07 17:32:42,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:42,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 22 letters. Loop has 10 letters. [2019-12-07 17:32:42,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:42,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 99 transitions. [2019-12-07 17:32:42,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 17:32:42,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 63 states and 74 transitions. [2019-12-07 17:32:42,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2019-12-07 17:32:42,046 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2019-12-07 17:32:42,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 74 transitions. [2019-12-07 17:32:42,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:32:42,046 INFO L688 BuchiCegarLoop]: Abstraction has 63 states and 74 transitions. [2019-12-07 17:32:42,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 74 transitions. [2019-12-07 17:32:42,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 54. [2019-12-07 17:32:42,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 17:32:42,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2019-12-07 17:32:42,048 INFO L711 BuchiCegarLoop]: Abstraction has 54 states and 63 transitions. [2019-12-07 17:32:42,048 INFO L591 BuchiCegarLoop]: Abstraction has 54 states and 63 transitions. [2019-12-07 17:32:42,048 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 17:32:42,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 63 transitions. [2019-12-07 17:32:42,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 17:32:42,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:32:42,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:32:42,050 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:32:42,050 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 17:32:42,050 INFO L794 eck$LassoCheckResult]: Stem: 1305#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1301#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, 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~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 1288#L588 assume !(main_~length1~0 < 1); 1289#L588-2 assume !(main_~length2~0 < 1); 1274#L591-1 call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.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);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 1275#L573 assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 1283#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 1284#L551-1 assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 1272#L551-3 cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 1273#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 1285#L551-1 assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 1314#L551-3 cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 1313#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 1312#L551-1 assume !(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 1286#L551-5 assume cstrlen_~s~0.base == cstrlen_~str.base;cstrlen_#res := (if cstrlen_~s~0.offset - cstrlen_~str.offset < 0 && 0 != (cstrlen_~s~0.offset - cstrlen_~str.offset) % 1 then 1 + (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1 else (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1); 1287#L553 cstrstr_#t~ret15 := cstrlen_#res;cstrstr_~len~0 := cstrstr_#t~ret15;havoc cstrstr_#t~ret15; 1302#L575-4 goto; 1303#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 1292#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 1293#L576 assume !(cstrstr_~sc~0 != cstrstr_~c~0); 1316#L575-1 cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~len~0;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, cstrncmp_#t~mem7, cstrncmp_#t~mem9, cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, cstrncmp_#t~mem10, cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, cstrncmp_#t~mem12, cstrncmp_#t~pre4, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 1322#L558 assume !(0 == cstrncmp_~n % 4294967296); 1321#L560-4 call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post5.base, 1 + cstrncmp_#t~post5.offset;call cstrncmp_#t~mem7 := read~int(cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, 1); 1291#L561 assume cstrncmp_#t~mem6 != cstrncmp_#t~mem7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~mem7;havoc cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset;call cstrncmp_#t~mem9 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset - 1;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset - 1;call cstrncmp_#t~mem10 := read~int(cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, 1);cstrncmp_#res := cstrncmp_#t~mem9 % 256 - cstrncmp_#t~mem10 % 256;havoc cstrncmp_#t~mem10;havoc cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset;havoc cstrncmp_#t~mem9; 1294#L566 cstrstr_#t~ret16 := cstrncmp_#res; 1295#L575-2 assume !!(0 != cstrstr_#t~ret16);havoc cstrstr_#t~ret16; 1311#L575-4 goto; 1300#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 1315#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 1296#L576 assume !(cstrstr_~sc~0 != cstrstr_~c~0); 1297#L575-1 cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~len~0;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, cstrncmp_#t~mem7, cstrncmp_#t~mem9, cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, cstrncmp_#t~mem10, cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, cstrncmp_#t~mem12, cstrncmp_#t~pre4, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 1276#L558 assume !(0 == cstrncmp_~n % 4294967296); 1277#L560-4 [2019-12-07 17:32:42,050 INFO L796 eck$LassoCheckResult]: Loop: 1277#L560-4 call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post5.base, 1 + cstrncmp_#t~post5.offset;call cstrncmp_#t~mem7 := read~int(cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, 1); 1290#L561 assume !(cstrncmp_#t~mem6 != cstrncmp_#t~mem7);havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~mem7;havoc cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset;cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post11.base, 1 + cstrncmp_#t~post11.offset;call cstrncmp_#t~mem12 := read~int(cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, 1); 1306#L563 assume !(0 == cstrncmp_#t~mem12);havoc cstrncmp_#t~mem12;havoc cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset; 1307#L560-1 cstrncmp_#t~pre4 := cstrncmp_~n - 1;cstrncmp_~n := cstrncmp_~n - 1; 1280#L560-2 assume !!(0 != cstrncmp_#t~pre4 % 4294967296);havoc cstrncmp_#t~pre4; 1277#L560-4 [2019-12-07 17:32:42,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:42,050 INFO L82 PathProgramCache]: Analyzing trace with hash -2051218895, now seen corresponding path program 1 times [2019-12-07 17:32:42,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:42,050 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198802158] [2019-12-07 17:32:42,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:42,084 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:42,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:42,084 INFO L82 PathProgramCache]: Analyzing trace with hash 91772235, now seen corresponding path program 3 times [2019-12-07 17:32:42,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:42,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732015515] [2019-12-07 17:32:42,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:42,090 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:42,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:42,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1369353957, now seen corresponding path program 1 times [2019-12-07 17:32:42,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:32:42,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718434279] [2019-12-07 17:32:42,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:32:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:32:42,131 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:32:43,634 WARN L192 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 329 DAG size of output: 258 [2019-12-07 17:32:43,901 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-12-07 17:32:43,903 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:32:43,903 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:32:43,903 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:32:43,903 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:32:43,903 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:32:43,903 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:43,903 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:32:43,903 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:32:43,903 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-1.i_Iteration7_Lasso [2019-12-07 17:32:43,903 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:32:43,903 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:32:43,906 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 17:32:43,907 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 17:32:43,908 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 17:32:43,911 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 17:32:43,912 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 17:32:43,913 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 17:32:43,914 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 17:32:43,915 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 17:32:43,916 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 17:32:43,917 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 17:32:43,918 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 17:32:43,919 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 17:32:43,920 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 17:32:43,921 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 17:32:43,922 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 17:32:43,923 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 17:32:43,924 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 17:32:43,925 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 17:32:43,926 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 17:32:43,927 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 17:32:43,928 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 17:32:43,929 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 17:32:45,149 WARN L192 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 149 [2019-12-07 17:32:45,458 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 104 [2019-12-07 17:32:45,459 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 17:32:45,460 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 17:32:45,461 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 17:32:45,463 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 17:32:45,465 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 17:32:45,466 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 17:32:45,467 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 17:32:45,468 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 17:32:45,469 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 17:32:45,470 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 17:32:45,472 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 17:32:45,473 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 17:32:45,474 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 17:32:45,475 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 17:32:45,482 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 17:32:45,483 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 17:32:45,483 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 17:32:45,484 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 17:32:45,754 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2019-12-07 17:32:45,954 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-12-07 17:32:46,282 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-12-07 17:32:46,784 WARN L192 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-12-07 17:32:46,920 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:32:46,920 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:46,922 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 17:32:46,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:46,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:46,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:46,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:46,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:46,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:46,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:46,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:46,929 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 17:32:46,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:46,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:46,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:46,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:46,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:46,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:46,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:46,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:46,935 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 17:32:46,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:46,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:46,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:46,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:46,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:46,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:46,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:46,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 98 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:46,942 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 17:32:46,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:46,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:46,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:46,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:46,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:46,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:46,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:46,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 99 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:46,948 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 17:32:46,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:46,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:46,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:46,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:46,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:46,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:46,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:46,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 100 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 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:46,955 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 17:32:46,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:46,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:46,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:46,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:46,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:46,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:46,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:46,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 101 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 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:46,961 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 17:32:46,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:46,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:46,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:46,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:46,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:46,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:46,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 102 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 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:46,973 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 17:32:46,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:46,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:46,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:46,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:46,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:46,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:46,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:46,977 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 103 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 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:46,980 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 17:32:46,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:46,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:46,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:46,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:46,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:46,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:46,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:46,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 104 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 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:46,986 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 17:32:46,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:46,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:46,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:46,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:46,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:46,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:46,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:46,989 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 105 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 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:46,994 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 17:32:46,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:46,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:46,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:46,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:46,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:46,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:46,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:46,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 106 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 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,001 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 17:32:47,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:47,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:47,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:47,005 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 107 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 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,009 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 17:32:47,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:47,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:47,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:47,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 108 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 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,016 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 17:32:47,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:47,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:47,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:47,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 109 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 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,023 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 17:32:47,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:47,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:47,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:47,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 110 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 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,029 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 17:32:47,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:47,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:47,033 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 111 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 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,037 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 17:32:47,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:47,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:47,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:47,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 112 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 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,044 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 17:32:47,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:47,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:47,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:47,047 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 113 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 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,051 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 17:32:47,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:47,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:47,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:47,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 114 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 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,058 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 17:32:47,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:47,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:47,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:47,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 115 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 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,064 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 17:32:47,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:32:47,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:32:47,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:32:47,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 116 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 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,078 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 17:32:47,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:47,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:47,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 117 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 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,091 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 17:32:47,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:47,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:47,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 118 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 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,099 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 17:32:47,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:47,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:47,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 119 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 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,111 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 17:32:47,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:47,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:47,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 120 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 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,119 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 17:32:47,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:32:47,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:32:47,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:32:47,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:32:47,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:32:47,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:32:47,181 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:32:47,261 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2019-12-07 17:32:47,261 INFO L444 ModelExtractionUtils]: 44 out of 85 variables were initially zero. Simplification set additionally 38 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e11d1c5d-9944-412c-85a2-e42433ed1bf3/bin/uautomizer/z3 Starting monitored process 121 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 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:32:47,263 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:32:47,265 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:32:47,265 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:32:47,265 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrstr_#in~s.base)_2, ULTIMATE.start_cstrncmp_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrstr_#in~s.base)_2 - 1*ULTIMATE.start_cstrncmp_~s1.offset Supporting invariants [] [2019-12-07 17:32:47,734 INFO L297 tatePredicateManager]: 93 out of 95 supporting invariants were superfluous and have been removed [2019-12-07 17:32:47,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:32:47,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:47,780 INFO L264 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 17:32:47,781 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:32:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:47,803 INFO L264 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 17:32:47,803 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:32:47,832 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 17:32:47,833 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2019-12-07 17:32:47,833 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 63 transitions. cyclomatic complexity: 14 Second operand 6 states. [2019-12-07 17:32:47,888 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 63 transitions. cyclomatic complexity: 14. Second operand 6 states. Result 80 states and 94 transitions. Complement of second has 9 states. [2019-12-07 17:32:47,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:32:47,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 17:32:47,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 35 transitions. [2019-12-07 17:32:47,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 32 letters. Loop has 5 letters. [2019-12-07 17:32:47,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:47,890 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 17:32:47,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:47,932 INFO L264 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 17:32:47,933 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:32:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:47,956 INFO L264 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 17:32:47,957 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:32:47,984 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 17:32:47,984 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2019-12-07 17:32:47,984 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 63 transitions. cyclomatic complexity: 14 Second operand 6 states. [2019-12-07 17:32:48,045 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 63 transitions. cyclomatic complexity: 14. Second operand 6 states. Result 79 states and 93 transitions. Complement of second has 9 states. [2019-12-07 17:32:48,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:32:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 17:32:48,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 34 transitions. [2019-12-07 17:32:48,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 32 letters. Loop has 5 letters. [2019-12-07 17:32:48,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:48,047 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 17:32:48,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:32:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:48,086 INFO L264 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 17:32:48,088 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:32:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:32:48,115 INFO L264 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 17:32:48,115 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:32:48,140 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 17:32:48,140 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2019-12-07 17:32:48,140 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 63 transitions. cyclomatic complexity: 14 Second operand 6 states. [2019-12-07 17:32:48,189 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 63 transitions. cyclomatic complexity: 14. Second operand 6 states. Result 82 states and 96 transitions. Complement of second has 8 states. [2019-12-07 17:32:48,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:32:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 17:32:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 50 transitions. [2019-12-07 17:32:48,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 50 transitions. Stem has 32 letters. Loop has 5 letters. [2019-12-07 17:32:48,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:48,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 50 transitions. Stem has 37 letters. Loop has 5 letters. [2019-12-07 17:32:48,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:48,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 50 transitions. Stem has 32 letters. Loop has 10 letters. [2019-12-07 17:32:48,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:32:48,191 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 96 transitions. [2019-12-07 17:32:48,192 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:32:48,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 0 states and 0 transitions. [2019-12-07 17:32:48,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:32:48,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:32:48,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:32:48,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:32:48,192 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:32:48,192 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:32:48,192 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:32:48,192 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 17:32:48,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:32:48,193 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:32:48,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:32:48,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:32:48 BoogieIcfgContainer [2019-12-07 17:32:48,197 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:32:48,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:32:48,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:32:48,197 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:32:48,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:32:33" (3/4) ... [2019-12-07 17:32:48,199 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:32:48,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:32:48,200 INFO L168 Benchmark]: Toolchain (without parser) took 15231.53 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 403.2 MB). Free memory was 946.2 MB in the beginning and 956.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 393.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:32:48,200 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:32:48,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:32:48,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.22 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 17:32:48,201 INFO L168 Benchmark]: Boogie Preprocessor took 21.36 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 17:32:48,201 INFO L168 Benchmark]: RCFGBuilder took 238.14 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:32:48,201 INFO L168 Benchmark]: BuchiAutomizer took 14637.52 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 302.0 MB). Free memory was 1.1 GB in the beginning and 956.3 MB in the end (delta: 95.1 MB). Peak memory consumption was 397.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:32:48,201 INFO L168 Benchmark]: Witness Printer took 2.72 ms. Allocated memory is still 1.4 GB. Free memory is still 956.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:32:48,203 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.22 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. * Boogie Preprocessor took 21.36 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. * RCFGBuilder took 238.14 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14637.52 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 302.0 MB). Free memory was 1.1 GB in the beginning and 956.3 MB in the end (delta: 95.1 MB). Peak memory consumption was 397.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.72 ms. Allocated memory is still 1.4 GB. Free memory is still 956.3 MB. 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 - 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 7 terminating modules (3 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * s and consists of 4 locations. One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[s] and consists of 6 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s1 and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.6s and 8 iterations. TraceHistogramMax:3. Analysis of lassos took 13.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 54 states and ocurred in iteration 6. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 267 SDtfs, 349 SDslu, 547 SDs, 0 SdLazy, 220 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital295 mio100 ax106 hnf99 lsp91 ukn89 mio100 lsp41 div145 bol100 ite100 ukn100 eq171 hnf75 smp95 dnf139 smp87 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 64ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 56 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...