./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/array02-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/array02-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/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 58d4e5463d025a43f4c9f80bcbe28ceb46ed79b1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:05:31,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:05:31,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:05:31,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:05:31,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:05:31,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:05:31,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:05:31,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:05:31,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:05:31,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:05:31,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:05:31,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:05:31,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:05:31,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:05:31,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:05:31,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:05:31,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:05:31,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:05:31,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:05:31,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:05:31,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:05:31,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:05:31,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:05:31,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:05:31,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:05:31,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:05:31,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:05:31,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:05:31,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:05:31,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:05:31,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:05:31,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:05:31,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:05:31,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:05:31,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:05:31,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:05:31,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:05:31,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:05:31,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:05:31,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:05:31,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:05:31,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 17:05:31,164 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:05:31,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:05:31,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:05:31,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:05:31,165 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:05:31,165 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:05:31,165 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:05:31,165 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:05:31,165 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:05:31,166 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:05:31,166 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:05:31,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:05:31,166 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:05:31,166 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:05:31,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:05:31,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:05:31,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:05:31,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:05:31,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:05:31,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:05:31,167 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:05:31,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:05:31,167 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:05:31,167 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:05:31,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:05:31,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:05:31,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:05:31,168 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:05:31,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:05:31,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:05:31,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:05:31,168 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:05:31,169 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:05:31,169 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_dcd01f65-0e52-427f-af25-d6adca441b54/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 -> 58d4e5463d025a43f4c9f80bcbe28ceb46ed79b1 [2019-12-07 17:05:31,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:05:31,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:05:31,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:05:31,280 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:05:31,281 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:05:31,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/array02-alloca-2.i [2019-12-07 17:05:31,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/data/f1d5357e5/fed63cf00a4a492b8805fcacea6076b1/FLAGdea7147e4 [2019-12-07 17:05:31,757 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:05:31,758 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/sv-benchmarks/c/array-memsafety/array02-alloca-2.i [2019-12-07 17:05:31,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/data/f1d5357e5/fed63cf00a4a492b8805fcacea6076b1/FLAGdea7147e4 [2019-12-07 17:05:31,776 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/data/f1d5357e5/fed63cf00a4a492b8805fcacea6076b1 [2019-12-07 17:05:31,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:05:31,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:05:31,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:05:31,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:05:31,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:05:31,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:05:31" (1/1) ... [2019-12-07 17:05:31,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c43023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:31, skipping insertion in model container [2019-12-07 17:05:31,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:05:31" (1/1) ... [2019-12-07 17:05:31,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:05:31,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:05:32,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:05:32,018 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:05:32,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:05:32,074 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:05:32,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:32 WrapperNode [2019-12-07 17:05:32,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:05:32,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:05:32,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:05:32,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:05:32,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:32" (1/1) ... [2019-12-07 17:05:32,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:32" (1/1) ... [2019-12-07 17:05:32,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:05:32,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:05:32,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:05:32,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:05:32,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:32" (1/1) ... [2019-12-07 17:05:32,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:32" (1/1) ... [2019-12-07 17:05:32,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:32" (1/1) ... [2019-12-07 17:05:32,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:32" (1/1) ... [2019-12-07 17:05:32,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:32" (1/1) ... [2019-12-07 17:05:32,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:32" (1/1) ... [2019-12-07 17:05:32,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:32" (1/1) ... [2019-12-07 17:05:32,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:05:32,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:05:32,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:05:32,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:05:32,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:05:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:05:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:05:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:05:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:05:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:05:32,316 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:05:32,316 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-07 17:05:32,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:05:32 BoogieIcfgContainer [2019-12-07 17:05:32,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:05:32,318 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:05:32,318 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:05:32,320 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:05:32,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:05:32,321 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:05:31" (1/3) ... [2019-12-07 17:05:32,321 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c5e7b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:05:32, skipping insertion in model container [2019-12-07 17:05:32,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:05:32,321 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:32" (2/3) ... [2019-12-07 17:05:32,322 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c5e7b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:05:32, skipping insertion in model container [2019-12-07 17:05:32,322 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:05:32,322 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:05:32" (3/3) ... [2019-12-07 17:05:32,323 INFO L371 chiAutomizerObserver]: Analyzing ICFG array02-alloca-2.i [2019-12-07 17:05:32,351 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:05:32,351 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:05:32,351 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:05:32,351 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:05:32,351 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:05:32,351 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:05:32,351 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:05:32,351 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:05:32,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-12-07 17:05:32,374 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 17:05:32,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:05:32,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:05:32,378 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 17:05:32,378 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:05:32,378 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:05:32,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-12-07 17:05:32,379 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-12-07 17:05:32,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:05:32,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:05:32,380 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 17:05:32,380 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:05:32,385 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 14#L530true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 16#L530-2true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 10#L535-3true [2019-12-07 17:05:32,385 INFO L796 eck$LassoCheckResult]: Loop: 10#L535-3true assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 7#L535-2true main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 10#L535-3true [2019-12-07 17:05:32,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:32,389 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-12-07 17:05:32,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:32,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904607101] [2019-12-07 17:05:32,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:32,475 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:32,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:32,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-12-07 17:05:32,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:32,477 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850314165] [2019-12-07 17:05:32,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:32,488 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:32,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:32,489 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-12-07 17:05:32,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:32,489 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304164360] [2019-12-07 17:05:32,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:32,512 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:32,652 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:05:32,652 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:05:32,652 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:05:32,652 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:05:32,653 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:05:32,653 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:32,653 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:05:32,653 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:05:32,653 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration1_Lasso [2019-12-07 17:05:32,653 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:05:32,653 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:05:32,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:32,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:32,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:32,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:32,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:32,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:32,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:32,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:32,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:32,887 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:05:32,890 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:32,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:32,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:32,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:32,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:32,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:32,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:32,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:32,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:32,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:32,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:32,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:32,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:32,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:32,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:32,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:32,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:32,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:32,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:32,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:32,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:32,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:32,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:32,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:32,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:32,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:32,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:32,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:32,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:32,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:32,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:32,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:32,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:32,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:32,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:32,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:32,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:32,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:32,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:32,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:32,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:32,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:32,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:32,942 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:32,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:32,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:32,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:32,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:32,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:32,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:32,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:32,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:32,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:32,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:32,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:32,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:32,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:32,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:32,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:32,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:32,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:32,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:32,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:32,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:32,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:32,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:32,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:32,990 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:05:33,010 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 17:05:33,010 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:33,015 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:05:33,017 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:05:33,018 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:05:33,018 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, ULTIMATE.start_main_~array_size~0) = -1*ULTIMATE.start_main_~k~0 + 1*ULTIMATE.start_main_~array_size~0 Supporting invariants [] [2019-12-07 17:05:33,029 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-12-07 17:05:33,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:33,065 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:05:33,066 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:33,078 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:05:33,078 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:33,104 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:05:33,105 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 3 states. [2019-12-07 17:05:33,140 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 3 states. Result 41 states and 61 transitions. Complement of second has 7 states. [2019-12-07 17:05:33,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:05:33,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:05:33,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2019-12-07 17:05:33,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 17:05:33,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:33,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 6 letters. Loop has 2 letters. [2019-12-07 17:05:33,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:33,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 4 letters. Loop has 4 letters. [2019-12-07 17:05:33,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:33,146 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 61 transitions. [2019-12-07 17:05:33,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 17:05:33,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 14 states and 19 transitions. [2019-12-07 17:05:33,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 17:05:33,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 17:05:33,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2019-12-07 17:05:33,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:05:33,153 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-12-07 17:05:33,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2019-12-07 17:05:33,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-12-07 17:05:33,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 17:05:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2019-12-07 17:05:33,172 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-12-07 17:05:33,173 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-12-07 17:05:33,173 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:05:33,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2019-12-07 17:05:33,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 17:05:33,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:05:33,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:05:33,174 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:05:33,174 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:05:33,174 INFO L794 eck$LassoCheckResult]: Stem: 127#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 123#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 124#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 128#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 125#L535-3 assume !(main_~k~0 < main_~array_size~0); 126#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 116#L517-3 [2019-12-07 17:05:33,174 INFO L796 eck$LassoCheckResult]: Loop: 116#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 117#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 118#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 122#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 121#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 115#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 116#L517-3 [2019-12-07 17:05:33,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:33,175 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2019-12-07 17:05:33,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:33,175 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985457454] [2019-12-07 17:05:33,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:33,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:33,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985457454] [2019-12-07 17:05:33,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:05:33,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:05:33,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817609508] [2019-12-07 17:05:33,215 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:05:33,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:33,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1809463733, now seen corresponding path program 1 times [2019-12-07 17:05:33,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:33,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921965759] [2019-12-07 17:05:33,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:33,225 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:33,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:05:33,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:05:33,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:05:33,261 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-12-07 17:05:33,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:05:33,283 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2019-12-07 17:05:33,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:05:33,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-12-07 17:05:33,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 17:05:33,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2019-12-07 17:05:33,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-12-07 17:05:33,286 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 17:05:33,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2019-12-07 17:05:33,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:05:33,286 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-12-07 17:05:33,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2019-12-07 17:05:33,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2019-12-07 17:05:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 17:05:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2019-12-07 17:05:33,288 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-12-07 17:05:33,288 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-12-07 17:05:33,288 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 17:05:33,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2019-12-07 17:05:33,289 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 17:05:33,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:05:33,289 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:05:33,290 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:05:33,290 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:05:33,290 INFO L794 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 159#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 160#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 164#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 161#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 155#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 156#L535-3 assume !(main_~k~0 < main_~array_size~0); 162#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 154#L517-3 [2019-12-07 17:05:33,290 INFO L796 eck$LassoCheckResult]: Loop: 154#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 151#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 152#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 158#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 157#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 153#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 154#L517-3 [2019-12-07 17:05:33,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:33,291 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2019-12-07 17:05:33,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:33,291 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847958258] [2019-12-07 17:05:33,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:33,317 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:33,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:33,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1809463733, now seen corresponding path program 2 times [2019-12-07 17:05:33,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:33,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219550867] [2019-12-07 17:05:33,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:33,329 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:33,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:33,329 INFO L82 PathProgramCache]: Analyzing trace with hash -258934749, now seen corresponding path program 1 times [2019-12-07 17:05:33,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:33,330 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451534976] [2019-12-07 17:05:33,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:33,354 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:33,506 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2019-12-07 17:05:33,563 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:05:33,563 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:05:33,564 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:05:33,564 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:05:33,564 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:05:33,564 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:33,564 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:05:33,564 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:05:33,564 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration3_Lasso [2019-12-07 17:05:33,564 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:05:33,564 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:05:33,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:33,893 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:05:33,893 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:33,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:33,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:33,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:33,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:33,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:33,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:33,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:33,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:33,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:33,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:33,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:33,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:33,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:33,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:33,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:33,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:33,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:33,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:33,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:33,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:33,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:33,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:33,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:33,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:33,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:33,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:33,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:33,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:33,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:33,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:33,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:33,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:33,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:33,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:33,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:33,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:33,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:33,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:33,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:33,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:33,964 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:05:33,985 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-12-07 17:05:33,985 INFO L444 ModelExtractionUtils]: 21 out of 37 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:33,988 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:05:33,991 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:05:33,991 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:05:33,991 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N, ULTIMATE.start_test_fun_~i~0) = 1*ULTIMATE.start_test_fun_~N - 1*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2019-12-07 17:05:34,000 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 17:05:34,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:34,020 INFO L264 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:05:34,020 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:34,026 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:05:34,026 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:34,036 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:05:34,036 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-12-07 17:05:34,049 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 21 states and 28 transitions. Complement of second has 4 states. [2019-12-07 17:05:34,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:05:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:05:34,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-12-07 17:05:34,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 8 letters. Loop has 6 letters. [2019-12-07 17:05:34,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:34,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 14 letters. Loop has 6 letters. [2019-12-07 17:05:34,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:34,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 8 letters. Loop has 12 letters. [2019-12-07 17:05:34,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:34,050 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-12-07 17:05:34,051 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 17:05:34,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 27 transitions. [2019-12-07 17:05:34,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 17:05:34,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 17:05:34,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2019-12-07 17:05:34,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:05:34,052 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2019-12-07 17:05:34,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2019-12-07 17:05:34,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-12-07 17:05:34,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 17:05:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2019-12-07 17:05:34,053 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-12-07 17:05:34,053 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-12-07 17:05:34,053 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 17:05:34,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2019-12-07 17:05:34,054 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 17:05:34,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:05:34,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:05:34,054 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:05:34,054 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:05:34,054 INFO L794 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 277#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 278#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 282#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 279#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 271#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 272#L535-3 assume !(main_~k~0 < main_~array_size~0); 280#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 270#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 264#L518-3 [2019-12-07 17:05:34,055 INFO L796 eck$LassoCheckResult]: Loop: 264#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 265#L518-1 assume !!(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(1 + test_fun_#t~post5, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post5;havoc test_fun_#t~mem4;test_fun_#t~post6 := test_fun_~neg~0;test_fun_~neg~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 264#L518-3 [2019-12-07 17:05:34,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:34,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2019-12-07 17:05:34,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:34,055 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113481142] [2019-12-07 17:05:34,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:34,070 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:34,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:34,070 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 1 times [2019-12-07 17:05:34,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:34,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914467903] [2019-12-07 17:05:34,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:34,077 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:34,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:34,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2019-12-07 17:05:34,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:34,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969033851] [2019-12-07 17:05:34,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:34,098 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:34,230 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-12-07 17:05:34,271 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:05:34,271 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:05:34,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:05:34,272 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:05:34,272 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:05:34,272 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:34,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:05:34,272 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:05:34,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration4_Lasso [2019-12-07 17:05:34,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:05:34,272 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:05:34,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:34,678 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:05:34,679 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:34,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:34,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:34,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:34,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:34,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:34,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:34,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:34,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:34,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:34,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:34,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:34,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:34,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:34,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:34,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:34,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:34,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:34,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:34,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:34,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:34,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:34,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:34,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:34,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:34,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:34,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:34,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:34,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:34,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:34,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:34,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:34,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:34,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:34,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:34,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:34,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:34,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:34,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:34,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:34,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:34,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:34,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:34,735 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:05:34,744 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 17:05:34,744 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:34,746 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:05:34,749 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:05:34,749 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:05:34,749 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_1 Supporting invariants [] [2019-12-07 17:05:34,760 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 17:05:34,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:05:34,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:34,793 INFO L264 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 17:05:34,794 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:34,811 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 17:05:34,812 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:34,825 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 17:05:34,825 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 26 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-12-07 17:05:34,867 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 26 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 36 states and 47 transitions. Complement of second has 8 states. [2019-12-07 17:05:34,868 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 [2019-12-07 17:05:34,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:05:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2019-12-07 17:05:34,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 17:05:34,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:34,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2019-12-07 17:05:34,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:34,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 4 letters. [2019-12-07 17:05:34,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:34,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2019-12-07 17:05:34,871 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 17:05:34,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 31 states and 42 transitions. [2019-12-07 17:05:34,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-12-07 17:05:34,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-12-07 17:05:34,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 42 transitions. [2019-12-07 17:05:34,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:05:34,872 INFO L688 BuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-12-07 17:05:34,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 42 transitions. [2019-12-07 17:05:34,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2019-12-07 17:05:34,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 17:05:34,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2019-12-07 17:05:34,875 INFO L711 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-12-07 17:05:34,875 INFO L591 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-12-07 17:05:34,875 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 17:05:34,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 36 transitions. [2019-12-07 17:05:34,875 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 17:05:34,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:05:34,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:05:34,876 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:05:34,876 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:05:34,876 INFO L794 eck$LassoCheckResult]: Stem: 428#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 424#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 425#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 429#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 426#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 418#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 419#L535-3 assume !(main_~k~0 < main_~array_size~0); 427#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 415#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 408#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 410#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 421#L522-2 [2019-12-07 17:05:34,876 INFO L796 eck$LassoCheckResult]: Loop: 421#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 420#L522 assume !!(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post9 := test_fun_#t~mem8;call write~int(test_fun_#t~post9 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post9;havoc test_fun_#t~mem8;test_fun_#t~post10 := test_fun_~pos~0;test_fun_~pos~0 := 1 + test_fun_#t~post10;havoc test_fun_#t~post10; 421#L522-2 [2019-12-07 17:05:34,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:34,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383699, now seen corresponding path program 1 times [2019-12-07 17:05:34,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:34,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556903614] [2019-12-07 17:05:34,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:34,898 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:34,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:34,898 INFO L82 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 1 times [2019-12-07 17:05:34,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:34,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942390178] [2019-12-07 17:05:34,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:34,906 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:34,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:34,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1792762584, now seen corresponding path program 1 times [2019-12-07 17:05:34,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:34,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874925076] [2019-12-07 17:05:34,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:34,929 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:35,072 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2019-12-07 17:05:35,117 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:05:35,117 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:05:35,117 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:05:35,117 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:05:35,117 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:05:35,118 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,118 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:05:35,118 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:05:35,118 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration5_Lasso [2019-12-07 17:05:35,118 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:05:35,118 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:05:35,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:35,508 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:05:35,508 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:35,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:35,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:35,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:35,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:35,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:35,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:35,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:35,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:35,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:35,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,542 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 [2019-12-07 17:05:35,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:35,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:35,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:35,545 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,549 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 [2019-12-07 17:05:35,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:35,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:35,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:35,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:35,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:35,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:35,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:35,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:35,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:35,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:35,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,571 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 [2019-12-07 17:05:35,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:35,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:35,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:35,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:35,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:35,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:35,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:35,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:35,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:35,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:35,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:35,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:35,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:35,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:35,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:35,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:35,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:35,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:35,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:35,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:35,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:35,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:35,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:35,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,638 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 [2019-12-07 17:05:35,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:35,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:35,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:35,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:35,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:35,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:35,647 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:05:35,656 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 17:05:35,656 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:35,659 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:05:35,661 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:05:35,661 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:05:35,661 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) (+ ULTIMATE.start_main_~numbers~0.offset (* ULTIMATE.start_main_~k~0 4) (- 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) (+ ULTIMATE.start_main_~numbers~0.offset (* ULTIMATE.start_main_~k~0 4) (- 4)))_1 Supporting invariants [] [2019-12-07 17:05:35,674 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 17:05:35,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:05:35,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:35,705 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 17:05:35,706 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:35,739 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 17:05:35,739 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:35,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:35,758 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2019-12-07 17:05:35,758 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16 Second operand 6 states. [2019-12-07 17:05:35,815 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16. Second operand 6 states. Result 50 states and 67 transitions. Complement of second has 11 states. [2019-12-07 17:05:35,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2019-12-07 17:05:35,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 17:05:35,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2019-12-07 17:05:35,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 11 letters. Loop has 2 letters. [2019-12-07 17:05:35,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:35,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 13 letters. Loop has 2 letters. [2019-12-07 17:05:35,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:35,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 11 letters. Loop has 4 letters. [2019-12-07 17:05:35,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:35,817 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 67 transitions. [2019-12-07 17:05:35,818 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 17:05:35,818 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 41 states and 54 transitions. [2019-12-07 17:05:35,818 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-12-07 17:05:35,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-12-07 17:05:35,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2019-12-07 17:05:35,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:05:35,819 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2019-12-07 17:05:35,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2019-12-07 17:05:35,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 36. [2019-12-07 17:05:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-07 17:05:35,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2019-12-07 17:05:35,821 INFO L711 BuchiCegarLoop]: Abstraction has 36 states and 49 transitions. [2019-12-07 17:05:35,821 INFO L591 BuchiCegarLoop]: Abstraction has 36 states and 49 transitions. [2019-12-07 17:05:35,821 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 17:05:35,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 49 transitions. [2019-12-07 17:05:35,822 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 17:05:35,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:05:35,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:05:35,822 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:05:35,822 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:05:35,822 INFO L794 eck$LassoCheckResult]: Stem: 609#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 604#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 605#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 613#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 606#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 607#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 621#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 598#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 599#L535-3 assume !(main_~k~0 < main_~array_size~0); 608#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 620#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 619#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 614#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 601#L522-2 [2019-12-07 17:05:35,822 INFO L796 eck$LassoCheckResult]: Loop: 601#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 600#L522 assume !!(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post9 := test_fun_#t~mem8;call write~int(test_fun_#t~post9 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post9;havoc test_fun_#t~mem8;test_fun_#t~post10 := test_fun_~pos~0;test_fun_~pos~0 := 1 + test_fun_#t~post10;havoc test_fun_#t~post10; 601#L522-2 [2019-12-07 17:05:35,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:35,822 INFO L82 PathProgramCache]: Analyzing trace with hash -856885647, now seen corresponding path program 2 times [2019-12-07 17:05:35,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:35,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102948876] [2019-12-07 17:05:35,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:35,841 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:35,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:35,842 INFO L82 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 2 times [2019-12-07 17:05:35,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:35,842 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245993177] [2019-12-07 17:05:35,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:35,847 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:35,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:35,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1166615606, now seen corresponding path program 2 times [2019-12-07 17:05:35,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:35,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633828132] [2019-12-07 17:05:35,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:35,864 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:36,055 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 94 [2019-12-07 17:05:36,127 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:05:36,127 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:05:36,127 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:05:36,127 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:05:36,127 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:05:36,127 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:36,127 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:05:36,127 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:05:36,127 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration6_Lasso [2019-12-07 17:05:36,127 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:05:36,127 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:05:36,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,279 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2019-12-07 17:05:36,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:36,560 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:05:36,560 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:36,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:36,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:36,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:36,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:36,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:36,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:36,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:36,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:36,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:36,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:36,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:36,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:36,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:36,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:36,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:36,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:36,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:36,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:36,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:36,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:36,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:36,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:36,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:36,602 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:05:36,615 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-12-07 17:05:36,615 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:36,626 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:05:36,628 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:05:36,628 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:05:36,628 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1 Supporting invariants [] [2019-12-07 17:05:36,641 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 17:05:36,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:05:36,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:36,657 INFO L264 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:05:36,658 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:36,661 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:05:36,662 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:36,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:36,669 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:05:36,669 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 21 Second operand 3 states. [2019-12-07 17:05:36,681 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 21. Second operand 3 states. Result 47 states and 63 transitions. Complement of second has 7 states. [2019-12-07 17:05:36,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:05:36,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:05:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-12-07 17:05:36,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 13 letters. Loop has 2 letters. [2019-12-07 17:05:36,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:36,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 15 letters. Loop has 2 letters. [2019-12-07 17:05:36,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:36,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 13 letters. Loop has 4 letters. [2019-12-07 17:05:36,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:36,683 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2019-12-07 17:05:36,684 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 17:05:36,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 36 states and 47 transitions. [2019-12-07 17:05:36,684 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 17:05:36,684 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 17:05:36,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 47 transitions. [2019-12-07 17:05:36,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:05:36,684 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 47 transitions. [2019-12-07 17:05:36,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 47 transitions. [2019-12-07 17:05:36,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 25. [2019-12-07 17:05:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 17:05:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-12-07 17:05:36,686 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-12-07 17:05:36,686 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-12-07 17:05:36,686 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 17:05:36,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-12-07 17:05:36,687 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 17:05:36,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:05:36,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:05:36,687 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:05:36,687 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:05:36,687 INFO L794 eck$LassoCheckResult]: Stem: 784#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 780#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 781#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 787#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 782#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 774#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 775#L535-3 assume !(main_~k~0 < main_~array_size~0); 783#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 772#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 773#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 790#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 779#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 789#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 770#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 771#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 766#L518-3 [2019-12-07 17:05:36,687 INFO L796 eck$LassoCheckResult]: Loop: 766#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 767#L518-1 assume !!(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(1 + test_fun_#t~post5, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post5;havoc test_fun_#t~mem4;test_fun_#t~post6 := test_fun_~neg~0;test_fun_~neg~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 766#L518-3 [2019-12-07 17:05:36,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:36,687 INFO L82 PathProgramCache]: Analyzing trace with hash 562957404, now seen corresponding path program 2 times [2019-12-07 17:05:36,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:36,688 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926895313] [2019-12-07 17:05:36,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:36,747 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926895313] [2019-12-07 17:05:36,747 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438299703] [2019-12-07 17:05:36,747 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:05:36,775 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 17:05:36,775 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:05:36,775 INFO L264 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:05:36,776 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:36,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:36,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:05:36,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 13 [2019-12-07 17:05:36,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577960942] [2019-12-07 17:05:36,817 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:05:36,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:36,817 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 2 times [2019-12-07 17:05:36,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:36,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909109182] [2019-12-07 17:05:36,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:36,822 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:36,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:05:36,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 17:05:36,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2019-12-07 17:05:36,843 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. cyclomatic complexity: 14 Second operand 14 states. [2019-12-07 17:05:36,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:05:36,946 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2019-12-07 17:05:36,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:05:36,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 53 transitions. [2019-12-07 17:05:36,947 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 17:05:36,947 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 28 states and 35 transitions. [2019-12-07 17:05:36,947 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 17:05:36,948 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 17:05:36,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2019-12-07 17:05:36,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:05:36,948 INFO L688 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2019-12-07 17:05:36,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2019-12-07 17:05:36,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2019-12-07 17:05:36,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 17:05:36,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2019-12-07 17:05:36,949 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-12-07 17:05:36,949 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-12-07 17:05:36,949 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 17:05:36,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2019-12-07 17:05:36,950 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 17:05:36,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:05:36,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:05:36,950 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:05:36,950 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:05:36,950 INFO L794 eck$LassoCheckResult]: Stem: 918#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 914#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 915#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 922#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 916#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 908#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 909#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 917#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 923#L535-3 assume !(main_~k~0 < main_~array_size~0); 919#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 906#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 907#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 925#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 913#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 924#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 904#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 905#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 900#L518-3 [2019-12-07 17:05:36,950 INFO L796 eck$LassoCheckResult]: Loop: 900#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 901#L518-1 assume !!(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(1 + test_fun_#t~post5, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post5;havoc test_fun_#t~mem4;test_fun_#t~post6 := test_fun_~neg~0;test_fun_~neg~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 900#L518-3 [2019-12-07 17:05:36,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:36,951 INFO L82 PathProgramCache]: Analyzing trace with hash 131132986, now seen corresponding path program 3 times [2019-12-07 17:05:36,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:36,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351518698] [2019-12-07 17:05:36,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:36,964 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:36,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:36,964 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 3 times [2019-12-07 17:05:36,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:36,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588648748] [2019-12-07 17:05:36,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:36,968 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:36,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:36,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1464749119, now seen corresponding path program 1 times [2019-12-07 17:05:36,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:36,969 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24464826] [2019-12-07 17:05:36,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:36,983 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:37,205 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 103 [2019-12-07 17:05:37,276 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:05:37,276 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:05:37,276 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:05:37,276 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:05:37,276 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:05:37,277 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,277 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:05:37,277 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:05:37,277 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration8_Lasso [2019-12-07 17:05:37,277 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:05:37,277 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:05:37,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:37,599 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:05:37,599 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,601 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 [2019-12-07 17:05:37,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:37,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:37,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,624 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:37,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:37,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:37,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:37,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,651 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,657 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,670 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,678 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:37,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:37,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:37,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:37,700 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,719 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:37,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:37,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:37,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:37,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:37,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,739 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 [2019-12-07 17:05:37,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:37,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:37,744 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,747 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 [2019-12-07 17:05:37,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:37,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:37,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:37,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:37,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:37,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:37,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:37,750 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:05:37,752 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-12-07 17:05:37,752 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:37,754 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:05:37,754 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:05:37,754 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:05:37,754 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_5) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_5 Supporting invariants [] [2019-12-07 17:05:37,767 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 17:05:37,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:05:37,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:37,785 INFO L264 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:05:37,786 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:37,790 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:05:37,790 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:37,799 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:05:37,799 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13 Second operand 3 states. [2019-12-07 17:05:37,813 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 37 states and 45 transitions. Complement of second has 7 states. [2019-12-07 17:05:37,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:05:37,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:05:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-12-07 17:05:37,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 17 letters. Loop has 2 letters. [2019-12-07 17:05:37,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:37,814 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 17:05:37,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:37,833 INFO L264 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:05:37,834 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:37,838 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:05:37,838 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:37,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:37,846 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:05:37,846 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13 Second operand 3 states. [2019-12-07 17:05:37,871 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 37 states and 45 transitions. Complement of second has 7 states. [2019-12-07 17:05:37,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:05:37,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:05:37,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-12-07 17:05:37,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 17 letters. Loop has 2 letters. [2019-12-07 17:05:37,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:37,871 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 17:05:37,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:37,887 INFO L264 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:05:37,888 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:37,892 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:05:37,892 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:37,899 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:05:37,899 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13 Second operand 3 states. [2019-12-07 17:05:37,915 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 48 states and 59 transitions. Complement of second has 6 states. [2019-12-07 17:05:37,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:05:37,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:05:37,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-12-07 17:05:37,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 17 letters. Loop has 2 letters. [2019-12-07 17:05:37,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:37,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 19 letters. Loop has 2 letters. [2019-12-07 17:05:37,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:37,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 17 letters. Loop has 4 letters. [2019-12-07 17:05:37,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:37,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 59 transitions. [2019-12-07 17:05:37,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:05:37,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 38 states and 48 transitions. [2019-12-07 17:05:37,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-12-07 17:05:37,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 17:05:37,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 48 transitions. [2019-12-07 17:05:37,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:05:37,918 INFO L688 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2019-12-07 17:05:37,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 48 transitions. [2019-12-07 17:05:37,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2019-12-07 17:05:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-12-07 17:05:37,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2019-12-07 17:05:37,920 INFO L711 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2019-12-07 17:05:37,920 INFO L591 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2019-12-07 17:05:37,920 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-12-07 17:05:37,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 38 transitions. [2019-12-07 17:05:37,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:05:37,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:05:37,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:05:37,921 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:05:37,921 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:05:37,921 INFO L794 eck$LassoCheckResult]: Stem: 1305#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1301#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 1302#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 1309#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 1303#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 1295#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 1296#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 1304#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 1312#L535-3 assume !(main_~k~0 < main_~array_size~0); 1306#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 1293#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 1288#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 1290#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 1300#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 1313#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 1291#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 1292#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 1285#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 1287#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 1298#L522-2 [2019-12-07 17:05:37,921 INFO L796 eck$LassoCheckResult]: Loop: 1298#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 1297#L522 assume !!(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post9 := test_fun_#t~mem8;call write~int(test_fun_#t~post9 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~post9;havoc test_fun_#t~mem8;test_fun_#t~post10 := test_fun_~pos~0;test_fun_~pos~0 := 1 + test_fun_#t~post10;havoc test_fun_#t~post10; 1298#L522-2 [2019-12-07 17:05:37,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:37,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1464749117, now seen corresponding path program 4 times [2019-12-07 17:05:37,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:37,922 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773746607] [2019-12-07 17:05:37,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:37,933 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:37,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:37,934 INFO L82 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 3 times [2019-12-07 17:05:37,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:37,934 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386730418] [2019-12-07 17:05:37,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:37,938 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:37,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:37,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1125370110, now seen corresponding path program 1 times [2019-12-07 17:05:37,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:37,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217756326] [2019-12-07 17:05:37,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:37,952 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:38,243 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 114 [2019-12-07 17:05:38,307 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:05:38,307 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:05:38,307 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:05:38,307 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:05:38,307 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:05:38,307 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,307 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:05:38,307 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:05:38,307 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration9_Lasso [2019-12-07 17:05:38,307 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:05:38,307 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:05:38,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:05:38,678 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:05:38,678 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:38,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:38,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:38,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:38,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:38,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:38,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:38,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:38,697 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:38,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:38,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:38,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:38,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:38,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:38,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:38,719 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:38,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:38,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:38,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:38,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:38,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:38,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:38,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:38,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:38,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:38,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:38,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:38,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:38,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:38,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:38,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:38,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:38,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:38,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:38,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:05:38,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:05:38,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:05:38,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,778 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 [2019-12-07 17:05:38,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:38,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:38,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:05:38,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:05:38,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:05:38,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:05:38,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:05:38,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:05:38,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:05:38,794 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:05:38,805 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-12-07 17:05:38,805 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dcd01f65-0e52-427f-af25-d6adca441b54/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:05:38,807 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:05:38,810 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:05:38,810 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:05:38,810 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_6) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_6 Supporting invariants [] [2019-12-07 17:05:38,825 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2019-12-07 17:05:38,825 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:05:38,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:38,842 INFO L264 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:05:38,842 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:38,846 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:05:38,846 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:38,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:38,854 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:05:38,854 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14 Second operand 3 states. [2019-12-07 17:05:38,864 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14. Second operand 3 states. Result 34 states and 42 transitions. Complement of second has 7 states. [2019-12-07 17:05:38,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:05:38,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:05:38,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-12-07 17:05:38,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 19 letters. Loop has 2 letters. [2019-12-07 17:05:38,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:38,865 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 17:05:38,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:38,884 INFO L264 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:05:38,885 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:38,889 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:05:38,889 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:38,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:38,896 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:05:38,896 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14 Second operand 3 states. [2019-12-07 17:05:38,904 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14. Second operand 3 states. Result 34 states and 42 transitions. Complement of second has 7 states. [2019-12-07 17:05:38,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:05:38,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:05:38,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-12-07 17:05:38,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 19 letters. Loop has 2 letters. [2019-12-07 17:05:38,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:38,905 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 17:05:38,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:38,924 INFO L264 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:05:38,924 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:05:38,929 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:05:38,929 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:05:38,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:05:38,936 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:05:38,937 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14 Second operand 3 states. [2019-12-07 17:05:38,947 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14. Second operand 3 states. Result 36 states and 46 transitions. Complement of second has 6 states. [2019-12-07 17:05:38,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:05:38,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:05:38,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2019-12-07 17:05:38,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 19 letters. Loop has 2 letters. [2019-12-07 17:05:38,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:38,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 21 letters. Loop has 2 letters. [2019-12-07 17:05:38,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:38,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 19 letters. Loop has 4 letters. [2019-12-07 17:05:38,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:05:38,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 46 transitions. [2019-12-07 17:05:38,949 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:05:38,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2019-12-07 17:05:38,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:05:38,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:05:38,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:05:38,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:05:38,950 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:05:38,950 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:05:38,950 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:05:38,950 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-12-07 17:05:38,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:05:38,950 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:05:38,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:05:38,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:05:38 BoogieIcfgContainer [2019-12-07 17:05:38,954 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:05:38,955 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:05:38,955 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:05:38,955 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:05:38,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:05:32" (3/4) ... [2019-12-07 17:05:38,957 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:05:38,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:05:38,959 INFO L168 Benchmark]: Toolchain (without parser) took 7179.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 940.8 MB in the beginning and 852.2 MB in the end (delta: 88.7 MB). Peak memory consumption was 294.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:38,959 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:05:38,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:38,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:05:38,960 INFO L168 Benchmark]: Boogie Preprocessor took 18.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:38,960 INFO L168 Benchmark]: RCFGBuilder took 193.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:38,960 INFO L168 Benchmark]: BuchiAutomizer took 6636.63 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 115.3 MB). Free memory was 1.0 GB in the beginning and 852.2 MB in the end (delta: 193.6 MB). Peak memory consumption was 309.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:38,960 INFO L168 Benchmark]: Witness Printer took 2.99 ms. Allocated memory is still 1.2 GB. Free memory is still 852.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:05:38,962 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 193.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6636.63 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 115.3 MB). Free memory was 1.0 GB in the beginning and 852.2 MB in the end (delta: 193.6 MB). Peak memory consumption was 309.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.99 ms. Allocated memory is still 1.2 GB. Free memory is still 852.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (2 trivial, 5 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * k + array_size and consists of 5 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[numbers][numbers] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[numbers][numbers + k * 4 + -4] and consists of 8 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. One nondeterministic module has affine ranking function -1 * unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.6s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 5.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 32 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 36 states and ocurred in iteration 5. Nontrivial modules had stage [5, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 153 SDtfs, 236 SDslu, 115 SDs, 0 SdLazy, 265 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso7 LassoPreprocessingBenchmarks: Lassos: inital175 mio100 ax110 hnf99 lsp82 ukn80 mio100 lsp58 div100 bol100 ite100 ukn100 eq169 hnf91 smp91 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...