./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 32bit --witnessprinter.graph.data.programhash cb6ff0b2d9abd29a15d3eb2d5a86a23b460e9725 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:54:18,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:54:18,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:54:18,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:54:18,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:54:18,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:54:18,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:54:18,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:54:18,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:54:18,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:54:18,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:54:18,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:54:18,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:54:18,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:54:18,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:54:18,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:54:18,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:54:18,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:54:18,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:54:18,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:54:18,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:54:18,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:54:18,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:54:18,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:54:18,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:54:18,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:54:18,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:54:18,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:54:18,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:54:18,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:54:18,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:54:18,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:54:18,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:54:18,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:54:18,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:54:18,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:54:18,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:54:18,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:54:18,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:54:18,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:54:18,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:54:18,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:54:18,172 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:54:18,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:54:18,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:54:18,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:54:18,175 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:54:18,175 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:54:18,175 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:54:18,175 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:54:18,176 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:54:18,176 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:54:18,177 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:54:18,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:54:18,177 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:54:18,177 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:54:18,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:54:18,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:54:18,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:54:18,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:54:18,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:54:18,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:54:18,179 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:54:18,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:54:18,179 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:54:18,179 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:54:18,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:54:18,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:54:18,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:54:18,180 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:54:18,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:54:18,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:54:18,181 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:54:18,182 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:54:18,182 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_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb6ff0b2d9abd29a15d3eb2d5a86a23b460e9725 [2019-11-25 08:54:18,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:54:18,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:54:18,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:54:18,348 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:54:18,354 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:54:18,354 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-25 08:54:18,407 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/bin/uautomizer/data/b910fde86/2197b95750214e809ac54d5af6434386/FLAG2d80f8cee [2019-11-25 08:54:18,849 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:54:18,850 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-25 08:54:18,867 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/bin/uautomizer/data/b910fde86/2197b95750214e809ac54d5af6434386/FLAG2d80f8cee [2019-11-25 08:54:19,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/bin/uautomizer/data/b910fde86/2197b95750214e809ac54d5af6434386 [2019-11-25 08:54:19,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:54:19,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:54:19,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:19,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:54:19,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:54:19,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:19" (1/1) ... [2019-11-25 08:54:19,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14868710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19, skipping insertion in model container [2019-11-25 08:54:19,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:19" (1/1) ... [2019-11-25 08:54:19,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:54:19,286 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:54:19,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:19,708 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:54:19,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:19,804 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:54:19,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19 WrapperNode [2019-11-25 08:54:19,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:19,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:19,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:54:19,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:54:19,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19" (1/1) ... [2019-11-25 08:54:19,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19" (1/1) ... [2019-11-25 08:54:19,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:19,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:54:19,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:54:19,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:54:19,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19" (1/1) ... [2019-11-25 08:54:19,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19" (1/1) ... [2019-11-25 08:54:19,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19" (1/1) ... [2019-11-25 08:54:19,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19" (1/1) ... [2019-11-25 08:54:19,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19" (1/1) ... [2019-11-25 08:54:19,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19" (1/1) ... [2019-11-25 08:54:19,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19" (1/1) ... [2019-11-25 08:54:19,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:54:19,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:54:19,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:54:19,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:54:19,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:54:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:54:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:54:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:54:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:54:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:54:20,329 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:54:20,329 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-25 08:54:20,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:20 BoogieIcfgContainer [2019-11-25 08:54:20,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:54:20,331 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:54:20,331 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:54:20,334 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:54:20,335 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:54:20,335 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:54:19" (1/3) ... [2019-11-25 08:54:20,336 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@562051ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:54:20, skipping insertion in model container [2019-11-25 08:54:20,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:54:20,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:19" (2/3) ... [2019-11-25 08:54:20,336 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@562051ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:54:20, skipping insertion in model container [2019-11-25 08:54:20,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:54:20,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:20" (3/3) ... [2019-11-25 08:54:20,342 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcat-alloca-2.i [2019-11-25 08:54:20,381 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:54:20,381 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:54:20,381 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:54:20,381 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:54:20,381 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:54:20,382 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:54:20,382 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:54:20,382 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:54:20,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2019-11-25 08:54:20,413 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2019-11-25 08:54:20,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:20,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:20,418 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:54:20,418 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:20,418 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:54:20,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2019-11-25 08:54:20,420 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2019-11-25 08:54:20,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:20,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:20,420 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:54:20,420 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:20,426 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 13#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 7#L525true assume !(main_~length1~0 < 1); 12#L525-2true assume !(main_~length2~0 < 2); 24#L528-1true assume !(main_~length3~0 < 1); 15#L531-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 9#L538-3true [2019-11-25 08:54:20,426 INFO L796 eck$LassoCheckResult]: Loop: 9#L538-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet13, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 6#L538-2true main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 9#L538-3true [2019-11-25 08:54:20,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:20,430 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2019-11-25 08:54:20,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:20,439 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350760502] [2019-11-25 08:54:20,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:20,563 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:20,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:20,564 INFO L82 PathProgramCache]: Analyzing trace with hash 2019, now seen corresponding path program 1 times [2019-11-25 08:54:20,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:20,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890440414] [2019-11-25 08:54:20,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:20,582 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:20,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:20,583 INFO L82 PathProgramCache]: Analyzing trace with hash 180553841, now seen corresponding path program 1 times [2019-11-25 08:54:20,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:20,584 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896205629] [2019-11-25 08:54:20,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:20,633 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:20,992 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-11-25 08:54:21,106 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:54:21,106 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:54:21,107 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:54:21,107 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:54:21,107 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:54:21,107 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:21,107 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:54:21,108 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:54:21,108 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration1_Lasso [2019-11-25 08:54:21,108 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:54:21,108 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:54:21,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,342 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-11-25 08:54:21,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:21,732 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:54:21,736 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:21,747 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 [2019-11-25 08:54:21,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:21,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:21,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:21,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:21,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:21,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:21,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:21,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:21,766 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 [2019-11-25 08:54:21,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:21,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:21,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:21,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:21,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:21,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:21,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:21,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:21,790 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 [2019-11-25 08:54:21,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:21,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:21,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:21,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:21,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:21,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:21,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:21,795 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:21,800 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 [2019-11-25 08:54:21,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:21,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:21,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:21,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:21,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:21,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:21,810 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:21,819 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 [2019-11-25 08:54:21,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:21,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:21,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:21,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:21,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:21,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:21,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:21,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:21,842 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 [2019-11-25 08:54:21,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:21,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:21,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:21,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:21,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:21,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:21,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:21,866 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 [2019-11-25 08:54:21,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:21,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:21,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:21,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:21,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:21,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:21,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:21,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:21,889 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 [2019-11-25 08:54:21,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:21,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:21,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:21,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:21,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:21,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:21,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:21,896 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:21,910 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 [2019-11-25 08:54:21,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:21,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:21,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:21,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:21,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:21,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:21,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:21,935 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 [2019-11-25 08:54:21,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:21,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:21,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:21,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:21,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:21,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:21,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:21,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:21,958 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 [2019-11-25 08:54:21,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:21,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:21,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:21,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:21,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:21,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:21,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:21,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:21,983 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 [2019-11-25 08:54:21,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:21,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:21,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:21,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:21,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:21,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:21,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:21,989 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:21,998 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 [2019-11-25 08:54:21,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:22,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:22,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:22,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:22,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:22,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:22,009 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:22,022 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 [2019-11-25 08:54:22,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:22,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:22,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:22,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:22,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:22,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:22,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:22,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:22,047 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 [2019-11-25 08:54:22,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:22,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:22,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:22,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:22,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:22,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:22,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:22,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:22,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:22,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:22,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:22,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:22,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:22,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:22,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:22,110 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 [2019-11-25 08:54:22,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:22,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:22,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:22,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:22,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:22,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:22,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:22,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:22,126 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 [2019-11-25 08:54:22,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:22,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:22,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:22,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:22,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:22,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:22,153 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:54:22,326 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2019-11-25 08:54:22,326 INFO L444 ModelExtractionUtils]: 7 out of 31 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:22,351 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:22,355 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:54:22,355 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:54:22,356 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [-1*ULTIMATE.start_main_~length1~0 + 1*ULTIMATE.start_main_~length2~0 >= 0] [2019-11-25 08:54:22,382 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2019-11-25 08:54:22,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:22,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:54:22,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:22,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:54:22,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:22,508 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 [2019-11-25 08:54:22,509 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states. Second operand 4 states. [2019-11-25 08:54:22,597 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states.. Second operand 4 states. Result 55 states and 77 transitions. Complement of second has 8 states. [2019-11-25 08:54:22,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:54:22,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:54:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 54 transitions. [2019-11-25 08:54:22,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 54 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-25 08:54:22,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:22,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 54 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-25 08:54:22,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:22,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 54 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-25 08:54:22,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:22,608 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 77 transitions. [2019-11-25 08:54:22,617 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2019-11-25 08:54:22,622 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 18 states and 25 transitions. [2019-11-25 08:54:22,623 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-25 08:54:22,623 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-25 08:54:22,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-25 08:54:22,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:54:22,624 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-25 08:54:22,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-25 08:54:22,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-25 08:54:22,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-25 08:54:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-11-25 08:54:22,651 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-25 08:54:22,651 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-25 08:54:22,651 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:54:22,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-11-25 08:54:22,653 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2019-11-25 08:54:22,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:22,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:22,654 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:22,654 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:22,654 INFO L794 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 177#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 170#L525 assume !(main_~length1~0 < 1); 171#L525-2 assume !(main_~length2~0 < 2); 176#L528-1 assume !(main_~length3~0 < 1); 179#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 173#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 174#L538-4 main_~i~1 := 0; 175#L542-3 [2019-11-25 08:54:22,655 INFO L796 eck$LassoCheckResult]: Loop: 175#L542-3 assume !!(main_~i~1 < main_~length3~0 - 1);call write~int(main_#t~nondet15, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 180#L542-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 175#L542-3 [2019-11-25 08:54:22,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:22,655 INFO L82 PathProgramCache]: Analyzing trace with hash 180553783, now seen corresponding path program 1 times [2019-11-25 08:54:22,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:22,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093444256] [2019-11-25 08:54:22,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:22,711 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:22,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:22,715 INFO L82 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 1 times [2019-11-25 08:54:22,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:22,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716010939] [2019-11-25 08:54:22,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:22,738 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:22,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:22,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1713495129, now seen corresponding path program 1 times [2019-11-25 08:54:22,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:22,741 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728728139] [2019-11-25 08:54:22,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:22,769 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:22,987 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2019-11-25 08:54:23,074 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:54:23,075 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:54:23,075 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:54:23,075 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:54:23,075 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:54:23,075 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:23,075 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:54:23,075 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:54:23,076 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration2_Lasso [2019-11-25 08:54:23,076 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:54:23,076 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:54:23,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,246 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-11-25 08:54:23,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:23,690 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:54:23,690 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:23,708 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 [2019-11-25 08:54:23,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:23,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:23,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:23,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:23,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:23,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:23,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:23,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:23,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:23,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:23,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:23,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:23,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:23,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:23,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:23,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:23,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:23,741 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 [2019-11-25 08:54:23,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:23,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:23,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:23,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:23,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:23,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:23,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:23,762 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 [2019-11-25 08:54:23,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:23,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:23,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:23,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:23,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:23,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:23,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:23,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:23,778 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 [2019-11-25 08:54:23,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:23,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:23,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:23,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:23,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:23,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:23,795 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:23,801 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 [2019-11-25 08:54:23,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:23,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:23,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:23,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:23,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:23,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:23,830 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:54:23,860 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2019-11-25 08:54:23,860 INFO L444 ModelExtractionUtils]: 20 out of 34 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:23,864 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:23,867 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:54:23,867 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:54:23,867 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2, ULTIMATE.start_main_~i~1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2 - 1*ULTIMATE.start_main_~i~1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2 - 1*ULTIMATE.start_main_~length3~0 >= 0] [2019-11-25 08:54:23,891 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2019-11-25 08:54:23,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:54:23,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:23,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:54:23,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:23,992 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:54:23,992 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2019-11-25 08:54:23,993 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:54:24,016 INFO L567 ElimStorePlain]: treesize reduction 10, result has 66.7 percent of original size [2019-11-25 08:54:24,017 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:54:24,018 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:15, output treesize:7 [2019-11-25 08:54:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:24,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:54:24,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:24,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:24,048 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 [2019-11-25 08:54:24,048 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-25 08:54:24,103 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 26 states and 38 transitions. Complement of second has 7 states. [2019-11-25 08:54:24,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:54:24,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:54:24,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-11-25 08:54:24,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-25 08:54:24,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:24,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-25 08:54:24,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:24,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-25 08:54:24,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:24,106 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 38 transitions. [2019-11-25 08:54:24,107 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-25 08:54:24,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 19 states and 27 transitions. [2019-11-25 08:54:24,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-25 08:54:24,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-25 08:54:24,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2019-11-25 08:54:24,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:54:24,109 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-11-25 08:54:24,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2019-11-25 08:54:24,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-25 08:54:24,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-25 08:54:24,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2019-11-25 08:54:24,111 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-11-25 08:54:24,111 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-11-25 08:54:24,111 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:54:24,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2019-11-25 08:54:24,112 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-25 08:54:24,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:24,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:24,113 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:24,113 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:54:24,113 INFO L794 eck$LassoCheckResult]: Stem: 310#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 309#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 302#L525 assume !(main_~length1~0 < 1); 303#L525-2 assume !(main_~length2~0 < 2); 308#L528-1 assume !(main_~length3~0 < 1); 311#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 305#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 306#L538-4 main_~i~1 := 0; 307#L542-3 assume !(main_~i~1 < main_~length3~0 - 1); 314#L542-4 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_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 304#L517-4 [2019-11-25 08:54:24,114 INFO L796 eck$LassoCheckResult]: Loop: 304#L517-4 call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 296#L517-1 assume !!(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 298#L517-3 cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset; 304#L517-4 [2019-11-25 08:54:24,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:24,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1713495071, now seen corresponding path program 1 times [2019-11-25 08:54:24,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:24,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518009088] [2019-11-25 08:54:24,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:24,190 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:24,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:24,192 INFO L82 PathProgramCache]: Analyzing trace with hash 86554, now seen corresponding path program 1 times [2019-11-25 08:54:24,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:24,193 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142023977] [2019-11-25 08:54:24,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:24,207 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:24,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:24,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1045403964, now seen corresponding path program 1 times [2019-11-25 08:54:24,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:24,210 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778757989] [2019-11-25 08:54:24,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:24,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:24,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778757989] [2019-11-25 08:54:24,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:24,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:54:24,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139788718] [2019-11-25 08:54:24,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:24,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:54:24,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:54:24,472 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 12 Second operand 8 states. [2019-11-25 08:54:24,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:24,569 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2019-11-25 08:54:24,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:54:24,569 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2019-11-25 08:54:24,570 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2019-11-25 08:54:24,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2019-11-25 08:54:24,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2019-11-25 08:54:24,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-11-25 08:54:24,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2019-11-25 08:54:24,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:54:24,572 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-11-25 08:54:24,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2019-11-25 08:54:24,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2019-11-25 08:54:24,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-25 08:54:24,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2019-11-25 08:54:24,574 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-25 08:54:24,574 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-25 08:54:24,574 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:54:24,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2019-11-25 08:54:24,575 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-25 08:54:24,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:24,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:24,576 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:24,576 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:24,576 INFO L794 eck$LassoCheckResult]: Stem: 373#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 372#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 363#L525 assume !(main_~length1~0 < 1); 364#L525-2 assume !(main_~length2~0 < 2); 371#L528-1 assume !(main_~length3~0 < 1); 374#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 367#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 368#L538-4 main_~i~1 := 0; 370#L542-3 assume !(main_~i~1 < main_~length3~0 - 1); 377#L542-4 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_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 369#L517-4 call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 358#L517-1 assume !(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 359#L518-2 [2019-11-25 08:54:24,576 INFO L796 eck$LassoCheckResult]: Loop: 359#L518-2 cstrcat_#t~post4.base, cstrcat_#t~post4.offset := cstrcat_~s.base, cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#t~post4.base, 1 + cstrcat_#t~post4.offset;cstrcat_#t~post5.base, cstrcat_#t~post5.offset := cstrcat_~append.base, cstrcat_~append.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#t~post5.base, 1 + cstrcat_#t~post5.offset;call cstrcat_#t~mem6 := read~int(cstrcat_#t~post5.base, cstrcat_#t~post5.offset, 1);call write~int(cstrcat_#t~mem6, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, 1); 360#L518 assume !!(0 != cstrcat_#t~mem6);havoc cstrcat_#t~post4.base, cstrcat_#t~post4.offset;havoc cstrcat_#t~post5.base, cstrcat_#t~post5.offset;havoc cstrcat_#t~mem6; 359#L518-2 [2019-11-25 08:54:24,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:24,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1696290690, now seen corresponding path program 1 times [2019-11-25 08:54:24,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:24,577 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929228245] [2019-11-25 08:54:24,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:24,613 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:24,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:24,613 INFO L82 PathProgramCache]: Analyzing trace with hash 3238, now seen corresponding path program 1 times [2019-11-25 08:54:24,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:24,614 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389005356] [2019-11-25 08:54:24,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:24,627 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:24,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:24,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1952217113, now seen corresponding path program 1 times [2019-11-25 08:54:24,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:24,628 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933498864] [2019-11-25 08:54:24,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:24,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:24,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933498864] [2019-11-25 08:54:24,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:24,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:54:24,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611916463] [2019-11-25 08:54:24,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:24,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 08:54:24,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:54:24,934 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 12 Second operand 9 states. [2019-11-25 08:54:25,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:25,201 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2019-11-25 08:54:25,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:54:25,201 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 52 transitions. [2019-11-25 08:54:25,203 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2019-11-25 08:54:25,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 36 states and 46 transitions. [2019-11-25 08:54:25,203 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2019-11-25 08:54:25,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2019-11-25 08:54:25,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 46 transitions. [2019-11-25 08:54:25,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:54:25,204 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2019-11-25 08:54:25,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 46 transitions. [2019-11-25 08:54:25,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 29. [2019-11-25 08:54:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-25 08:54:25,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2019-11-25 08:54:25,207 INFO L711 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-25 08:54:25,207 INFO L591 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-25 08:54:25,207 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:54:25,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2019-11-25 08:54:25,208 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-25 08:54:25,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:25,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:25,209 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:25,209 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:54:25,209 INFO L794 eck$LassoCheckResult]: Stem: 463#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 462#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 453#L525 assume !(main_~length1~0 < 1); 454#L525-2 assume !(main_~length2~0 < 2); 461#L528-1 assume !(main_~length3~0 < 1); 464#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 456#L538-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet13, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 451#L538-2 main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 452#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 458#L538-4 main_~i~1 := 0; 473#L542-3 assume !(main_~i~1 < main_~length3~0 - 1); 474#L542-4 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_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 475#L517-4 call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 470#L517-1 assume !(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 449#L518-2 [2019-11-25 08:54:25,209 INFO L796 eck$LassoCheckResult]: Loop: 449#L518-2 cstrcat_#t~post4.base, cstrcat_#t~post4.offset := cstrcat_~s.base, cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#t~post4.base, 1 + cstrcat_#t~post4.offset;cstrcat_#t~post5.base, cstrcat_#t~post5.offset := cstrcat_~append.base, cstrcat_~append.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#t~post5.base, 1 + cstrcat_#t~post5.offset;call cstrcat_#t~mem6 := read~int(cstrcat_#t~post5.base, cstrcat_#t~post5.offset, 1);call write~int(cstrcat_#t~mem6, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, 1); 450#L518 assume !!(0 != cstrcat_#t~mem6);havoc cstrcat_#t~post4.base, cstrcat_#t~post4.offset;havoc cstrcat_#t~post5.base, cstrcat_#t~post5.offset;havoc cstrcat_#t~mem6; 449#L518-2 [2019-11-25 08:54:25,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:25,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1864254052, now seen corresponding path program 1 times [2019-11-25 08:54:25,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:25,210 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612419164] [2019-11-25 08:54:25,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:25,232 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:25,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:25,232 INFO L82 PathProgramCache]: Analyzing trace with hash 3238, now seen corresponding path program 2 times [2019-11-25 08:54:25,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:25,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302770470] [2019-11-25 08:54:25,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:25,246 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:25,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:25,247 INFO L82 PathProgramCache]: Analyzing trace with hash 546783817, now seen corresponding path program 1 times [2019-11-25 08:54:25,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:25,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999352295] [2019-11-25 08:54:25,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:25,299 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:25,934 WARN L192 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 114 [2019-11-25 08:54:26,103 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-11-25 08:54:26,105 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:54:26,106 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:54:26,106 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:54:26,106 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:54:26,106 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:54:26,106 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:26,106 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:54:26,106 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:54:26,106 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration5_Lasso [2019-11-25 08:54:26,106 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:54:26,106 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:54:26,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,511 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-11-25 08:54:26,655 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-11-25 08:54:26,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:26,934 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-11-25 08:54:27,281 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:54:27,281 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,290 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 [2019-11-25 08:54:27,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:27,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,298 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 [2019-11-25 08:54:27,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:27,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:27,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:27,314 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 [2019-11-25 08:54:27,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:27,328 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 [2019-11-25 08:54:27,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,338 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 [2019-11-25 08:54:27,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:27,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,345 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 [2019-11-25 08:54:27,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:27,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,352 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 [2019-11-25 08:54:27,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:27,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,359 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 [2019-11-25 08:54:27,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:27,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:27,366 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 Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:27,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,374 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 [2019-11-25 08:54:27,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:27,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:27,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:27,398 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 [2019-11-25 08:54:27,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:27,408 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 [2019-11-25 08:54:27,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:27,431 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 [2019-11-25 08:54:27,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,435 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:27,441 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 [2019-11-25 08:54:27,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,446 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:27,452 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 [2019-11-25 08:54:27,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:27,469 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 [2019-11-25 08:54:27,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:27,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:27,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:27,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,492 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 [2019-11-25 08:54:27,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:27,496 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,501 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 [2019-11-25 08:54:27,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:27,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,508 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 [2019-11-25 08:54:27,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:27,511 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,515 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 [2019-11-25 08:54:27,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:27,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:27,529 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:54:27,537 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 [2019-11-25 08:54:27,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:27,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:27,549 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 [2019-11-25 08:54:27,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:27,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:27,567 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 [2019-11-25 08:54:27,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,569 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:54:27,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,569 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:54:27,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,577 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 [2019-11-25 08:54:27,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:27,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:27,583 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:27,594 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 [2019-11-25 08:54:27,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:27,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:27,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:27,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,606 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 [2019-11-25 08:54:27,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:27,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:27,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:27,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:27,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:27,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:27,656 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:54:27,711 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2019-11-25 08:54:27,711 INFO L444 ModelExtractionUtils]: 35 out of 58 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:27,714 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:54:27,716 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:54:27,716 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:54:27,716 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcat_~append.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2) = -1*ULTIMATE.start_cstrcat_~append.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2 Supporting invariants [] [2019-11-25 08:54:27,774 INFO L297 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2019-11-25 08:54:27,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:54:27,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:27,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:54:27,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:27,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 08:54:27,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:27,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:27,847 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 [2019-11-25 08:54:27,847 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14 Second operand 4 states. [2019-11-25 08:54:27,886 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14. Second operand 4 states. Result 31 states and 40 transitions. Complement of second has 5 states. [2019-11-25 08:54:27,887 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 [2019-11-25 08:54:27,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:54:27,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2019-11-25 08:54:27,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 14 letters. Loop has 2 letters. [2019-11-25 08:54:27,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:27,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 16 letters. Loop has 2 letters. [2019-11-25 08:54:27,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:27,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 14 letters. Loop has 4 letters. [2019-11-25 08:54:27,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:27,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2019-11-25 08:54:27,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:54:27,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 24 states and 31 transitions. [2019-11-25 08:54:27,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-25 08:54:27,890 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-25 08:54:27,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 31 transitions. [2019-11-25 08:54:27,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:54:27,890 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-11-25 08:54:27,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 31 transitions. [2019-11-25 08:54:27,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 17. [2019-11-25 08:54:27,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-25 08:54:27,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2019-11-25 08:54:27,892 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-25 08:54:27,893 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-25 08:54:27,893 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:54:27,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2019-11-25 08:54:27,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:54:27,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:54:27,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:54:27,894 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:27,894 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:54:27,894 INFO L794 eck$LassoCheckResult]: Stem: 662#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 661#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 654#L525 assume !(main_~length1~0 < 1); 655#L525-2 assume !(main_~length2~0 < 2); 660#L528-1 assume !(main_~length3~0 < 1); 663#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 657#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 658#L538-4 main_~i~1 := 0; 659#L542-3 assume !!(main_~i~1 < main_~length3~0 - 1);call write~int(main_#t~nondet15, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 664#L542-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 665#L542-3 assume !(main_~i~1 < main_~length3~0 - 1); 666#L542-4 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_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 656#L517-4 [2019-11-25 08:54:27,894 INFO L796 eck$LassoCheckResult]: Loop: 656#L517-4 call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 650#L517-1 assume !!(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 651#L517-3 cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset; 656#L517-4 [2019-11-25 08:54:27,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:27,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1696346049, now seen corresponding path program 1 times [2019-11-25 08:54:27,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:27,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580838224] [2019-11-25 08:54:27,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:27,943 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:27,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:27,950 INFO L82 PathProgramCache]: Analyzing trace with hash 86554, now seen corresponding path program 2 times [2019-11-25 08:54:27,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:27,950 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883384048] [2019-11-25 08:54:27,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:27,959 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:27,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:27,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1259997786, now seen corresponding path program 1 times [2019-11-25 08:54:27,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:27,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935746425] [2019-11-25 08:54:27,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:54:27,983 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:54:28,415 WARN L192 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 110 [2019-11-25 08:54:28,558 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-11-25 08:54:28,560 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:54:28,560 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:54:28,560 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:54:28,560 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:54:28,560 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:54:28,560 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:28,560 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:54:28,560 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:54:28,560 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration6_Lasso [2019-11-25 08:54:28,560 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:54:28,560 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:54:28,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:28,944 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-11-25 08:54:29,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:29,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:29,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:29,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:29,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:29,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:54:29,240 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-11-25 08:54:29,507 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:54:29,507 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,510 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 [2019-11-25 08:54:29,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,517 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 [2019-11-25 08:54:29,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,525 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 [2019-11-25 08:54:29,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,532 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 [2019-11-25 08:54:29,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:29,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,542 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 [2019-11-25 08:54:29,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,553 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 [2019-11-25 08:54:29,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,561 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 [2019-11-25 08:54:29,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:29,566 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,571 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 [2019-11-25 08:54:29,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,579 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 [2019-11-25 08:54:29,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,587 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 [2019-11-25 08:54:29,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,594 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 [2019-11-25 08:54:29,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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) [2019-11-25 08:54:29,601 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 [2019-11-25 08:54:29,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:54:29,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:29,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,611 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 [2019-11-25 08:54:29,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,630 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 [2019-11-25 08:54:29,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,638 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 [2019-11-25 08:54:29,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:29,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,652 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 [2019-11-25 08:54:29,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,655 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,658 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 [2019-11-25 08:54:29,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,665 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 [2019-11-25 08:54:29,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,672 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 [2019-11-25 08:54:29,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:54:29,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:54:29,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:54:29,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,679 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 [2019-11-25 08:54:29,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:29,687 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,691 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 [2019-11-25 08:54:29,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,693 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:54:29,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,698 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-25 08:54:29,698 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-25 08:54:29,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,711 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 [2019-11-25 08:54:29,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:29,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,720 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 [2019-11-25 08:54:29,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:29,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:54:29,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:29,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,739 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 [2019-11-25 08:54:29,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:54:29,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:54:29,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:54:29,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:54:29,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:54:29,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:54:29,766 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:54:29,785 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-25 08:54:29,785 INFO L444 ModelExtractionUtils]: 43 out of 55 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f68d8c1e-2db3-40e6-b1bf-8ccbba7abb14/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 [2019-11-25 08:54:29,788 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:54:29,790 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:54:29,790 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:54:29,790 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcat_~s.base)_2, ULTIMATE.start_cstrcat_~s.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcat_~s.base)_2 - 1*ULTIMATE.start_cstrcat_~s.offset Supporting invariants [] [2019-11-25 08:54:29,821 INFO L297 tatePredicateManager]: 14 out of 14 supporting invariants were superfluous and have been removed [2019-11-25 08:54:29,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:54:29,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:29,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:54:29,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:29,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:54:29,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:29,862 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:54:29,862 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 9 Second operand 3 states. [2019-11-25 08:54:29,870 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 20 states and 27 transitions. Complement of second has 4 states. [2019-11-25 08:54:29,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:54:29,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:54:29,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2019-11-25 08:54:29,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 12 letters. Loop has 3 letters. [2019-11-25 08:54:29,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:29,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-25 08:54:29,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:29,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 12 letters. Loop has 6 letters. [2019-11-25 08:54:29,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:54:29,872 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2019-11-25 08:54:29,873 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:54:29,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2019-11-25 08:54:29,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:54:29,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:54:29,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:54:29,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:54:29,873 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:29,873 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:29,874 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:29,874 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-25 08:54:29,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:54:29,874 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:54:29,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:54:29,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:54:29 BoogieIcfgContainer [2019-11-25 08:54:29,880 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:54:29,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:29,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:29,881 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:29,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:20" (3/4) ... [2019-11-25 08:54:29,884 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:54:29,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:29,886 INFO L168 Benchmark]: Toolchain (without parser) took 10669.92 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:29,886 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:29,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:29,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.88 ms. Allocated memory is still 1.2 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. [2019-11-25 08:54:29,887 INFO L168 Benchmark]: Boogie Preprocessor took 39.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:29,888 INFO L168 Benchmark]: RCFGBuilder took 429.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:29,888 INFO L168 Benchmark]: BuchiAutomizer took 9548.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -31.2 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:29,888 INFO L168 Benchmark]: Witness Printer took 4.42 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:29,890 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 590.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.88 ms. Allocated memory is still 1.2 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 39.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 429.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9548.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -31.2 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.42 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length2 and consists of 6 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * append + unknown-#length-unknown[nondetString1] and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.5s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 8.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 4. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 109 SDtfs, 198 SDslu, 149 SDs, 0 SdLazy, 122 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital193 mio100 ax110 hnf98 lsp85 ukn80 mio100 lsp59 div100 bol100 ite100 ukn100 eq171 hnf88 smp95 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 3 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...