./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.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_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 b03f52438c8a4febc4c57e40202386008cb3a895 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:09:43,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:09:43,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:09:43,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:09:43,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:09:43,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:09:43,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:09:43,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:09:43,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:09:43,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:09:43,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:09:43,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:09:43,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:09:43,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:09:43,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:09:43,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:09:43,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:09:43,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:09:43,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:09:43,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:09:43,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:09:43,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:09:43,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:09:43,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:09:43,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:09:43,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:09:43,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:09:43,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:09:43,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:09:43,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:09:43,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:09:43,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:09:43,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:09:43,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:09:43,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:09:43,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:09:43,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:09:43,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:09:43,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:09:43,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:09:43,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:09:43,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 15:09:43,253 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:09:43,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:09:43,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:09:43,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:09:43,254 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:09:43,254 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 15:09:43,254 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 15:09:43,255 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 15:09:43,255 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 15:09:43,255 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 15:09:43,255 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 15:09:43,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:09:43,255 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:09:43,255 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:09:43,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:09:43,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:09:43,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:09:43,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 15:09:43,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 15:09:43,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 15:09:43,256 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:09:43,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:09:43,257 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 15:09:43,257 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:09:43,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 15:09:43,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:09:43,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:09:43,257 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 15:09:43,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:09:43,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:09:43,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:09:43,258 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 15:09:43,258 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 15:09:43,258 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_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 -> b03f52438c8a4febc4c57e40202386008cb3a895 [2019-12-07 15:09:43,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:09:43,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:09:43,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:09:43,366 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:09:43,366 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:09:43,367 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/bin/uautomizer/../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2019-12-07 15:09:43,402 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/bin/uautomizer/data/adf18d588/18b19126013f4188b1b43d454979950d/FLAG66e29c529 [2019-12-07 15:09:43,791 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:09:43,791 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2019-12-07 15:09:43,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/bin/uautomizer/data/adf18d588/18b19126013f4188b1b43d454979950d/FLAG66e29c529 [2019-12-07 15:09:43,804 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/bin/uautomizer/data/adf18d588/18b19126013f4188b1b43d454979950d [2019-12-07 15:09:43,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:09:43,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:09:43,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:09:43,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:09:43,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:09:43,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:09:43" (1/1) ... [2019-12-07 15:09:43,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119a7e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:09:43, skipping insertion in model container [2019-12-07 15:09:43,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:09:43" (1/1) ... [2019-12-07 15:09:43,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:09:43,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:09:43,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:09:43,940 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:09:43,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:09:44,001 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:09:44,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:09:44 WrapperNode [2019-12-07 15:09:44,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:09:44,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:09:44,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:09:44,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:09:44,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:09:44" (1/1) ... [2019-12-07 15:09:44,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:09:44" (1/1) ... [2019-12-07 15:09:44,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:09:44,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:09:44,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:09:44,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:09:44,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:09:44" (1/1) ... [2019-12-07 15:09:44,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:09:44" (1/1) ... [2019-12-07 15:09:44,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:09:44" (1/1) ... [2019-12-07 15:09:44,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:09:44" (1/1) ... [2019-12-07 15:09:44,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:09:44" (1/1) ... [2019-12-07 15:09:44,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:09:44" (1/1) ... [2019-12-07 15:09:44,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:09:44" (1/1) ... [2019-12-07 15:09:44,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:09:44,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:09:44,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:09:44,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:09:44,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:09:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 15:09:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:09:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:09:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 15:09:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:09:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:09:44,205 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:09:44,205 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 15:09:44,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:09:44 BoogieIcfgContainer [2019-12-07 15:09:44,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:09:44,206 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 15:09:44,206 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 15:09:44,209 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 15:09:44,209 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:09:44,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 03:09:43" (1/3) ... [2019-12-07 15:09:44,210 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77b9ddf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:09:44, skipping insertion in model container [2019-12-07 15:09:44,211 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:09:44,211 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:09:44" (2/3) ... [2019-12-07 15:09:44,211 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77b9ddf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:09:44, skipping insertion in model container [2019-12-07 15:09:44,211 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:09:44,211 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:09:44" (3/3) ... [2019-12-07 15:09:44,212 INFO L371 chiAutomizerObserver]: Analyzing ICFG array_shadowinit.i [2019-12-07 15:09:44,243 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 15:09:44,243 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 15:09:44,243 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 15:09:44,244 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:09:44,244 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:09:44,244 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 15:09:44,244 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:09:44,244 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 15:09:44,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 15:09:44,266 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-12-07 15:09:44,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:09:44,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:09:44,270 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 15:09:44,271 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 15:09:44,271 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 15:09:44,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 15:09:44,272 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-12-07 15:09:44,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:09:44,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:09:44,272 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 15:09:44,272 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 15:09:44,277 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~N~0 := 0; 8#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem1, main_~i~0, main_~k~0, main_~#a~0.base, main_~#a~0.offset;~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 6#L7true assume ~N~0 > 0;havoc main_~i~0;havoc main_~k~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0 := 0;main_~k~0 := 0; 10#L12-2true [2019-12-07 15:09:44,277 INFO L796 eck$LassoCheckResult]: Loop: 10#L12-2true assume !!(main_~i~0 < ~N~0);call write~int(main_~k~0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~k~0, 4);main_~i~0 := 1 + main_~i~0;main_~k~0 := 1 + main_~k~0; 10#L12-2true [2019-12-07 15:09:44,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:09:44,282 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2019-12-07 15:09:44,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:09:44,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517705187] [2019-12-07 15:09:44,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:09:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:44,370 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:09:44,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:09:44,370 INFO L82 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2019-12-07 15:09:44,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:09:44,371 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047005434] [2019-12-07 15:09:44,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:09:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:44,383 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:09:44,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:09:44,384 INFO L82 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2019-12-07 15:09:44,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:09:44,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571622731] [2019-12-07 15:09:44,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:09:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:44,408 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:09:44,541 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:09:44,541 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:09:44,542 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:09:44,542 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:09:44,542 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:09:44,542 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:09:44,542 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:09:44,542 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:09:44,542 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration1_Lasso [2019-12-07 15:09:44,542 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:09:44,542 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:09:44,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:09:44,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:09:44,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:09:44,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:09:44,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:09:44,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:09:44,701 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:09:44,704 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:44,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:09:44,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:44,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:09:44,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:44,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:44,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:44,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:09:44,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:09:44,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:44,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:09:44,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:44,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:09:44,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:44,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:44,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:44,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:09:44,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:09:44,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:44,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 15:09:44,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:44,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:09:44,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:44,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:44,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:44,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:09:44,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:09:44,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:44,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:09:44,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:44,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:44,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:44,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:44,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:09:44,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:09:44,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:44,747 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 15:09:44,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:44,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:09:44,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:44,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:44,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:44,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:09:44,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:09:44,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:44,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:09:44,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:44,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:44,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:44,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:44,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:09:44,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:09:44,764 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:44,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 15:09:44,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:44,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:44,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:44,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:44,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:09:44,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:09:44,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:44,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 15:09:44,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:44,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:44,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:44,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:44,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:09:44,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:09:44,796 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:09:44,810 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 15:09:44,810 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:44,815 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:09:44,818 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 15:09:44,818 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:09:44,818 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, ULTIMATE.start_main_~i~0) = 1*~N~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-12-07 15:09:44,824 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-12-07 15:09:44,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:09:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:09:44,852 INFO L264 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:09:44,853 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:09:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:09:44,862 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:09:44,862 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:09:44,863 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 15:09:44,874 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-12-07 15:09:44,874 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 2 states. [2019-12-07 15:09:44,904 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 2 states. Result 30 states and 39 transitions. Complement of second has 6 states. [2019-12-07 15:09:44,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 15:09:44,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-12-07 15:09:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-12-07 15:09:44,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 1 letters. [2019-12-07 15:09:44,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:09:44,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 1 letters. [2019-12-07 15:09:44,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:09:44,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 2 letters. [2019-12-07 15:09:44,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:09:44,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2019-12-07 15:09:44,913 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 15:09:44,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 10 states and 13 transitions. [2019-12-07 15:09:44,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-12-07 15:09:44,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-12-07 15:09:44,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2019-12-07 15:09:44,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:09:44,919 INFO L688 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-12-07 15:09:44,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2019-12-07 15:09:44,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-12-07 15:09:44,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-12-07 15:09:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-12-07 15:09:44,941 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-12-07 15:09:44,942 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-12-07 15:09:44,942 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 15:09:44,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-12-07 15:09:44,942 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 15:09:44,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:09:44,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:09:44,943 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 15:09:44,943 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 15:09:44,943 INFO L794 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~N~0 := 0; 86#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem1, main_~i~0, main_~k~0, main_~#a~0.base, main_~#a~0.offset;~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 87#L7 assume ~N~0 > 0;havoc main_~i~0;havoc main_~k~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0 := 0;main_~k~0 := 0; 88#L12-2 assume !(main_~i~0 < ~N~0); 89#L12-3 main_~i~0 := 0; 85#L18-2 [2019-12-07 15:09:44,943 INFO L796 eck$LassoCheckResult]: Loop: 85#L18-2 assume !!(main_~i~0 < ~N~0);call main_#t~mem1 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem1 == main_~i~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 91#L2 assume !(0 == __VERIFIER_assert_~cond); 84#L2-3 havoc main_#t~mem1;main_~i~0 := 1 + main_~i~0; 85#L18-2 [2019-12-07 15:09:44,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:09:44,943 INFO L82 PathProgramCache]: Analyzing trace with hash 28693928, now seen corresponding path program 1 times [2019-12-07 15:09:44,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:09:44,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487454204] [2019-12-07 15:09:44,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:09:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:09:44,971 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 15:09:44,972 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487454204] [2019-12-07 15:09:44,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:09:44,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:09:44,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796866749] [2019-12-07 15:09:44,974 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 15:09:44,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:09:44,975 INFO L82 PathProgramCache]: Analyzing trace with hash 56828, now seen corresponding path program 1 times [2019-12-07 15:09:44,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:09:44,975 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224021434] [2019-12-07 15:09:44,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:09:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:44,986 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:09:45,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:09:45,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:09:45,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:09:45,047 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-12-07 15:09:45,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:09:45,060 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-12-07 15:09:45,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:09:45,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2019-12-07 15:09:45,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 15:09:45,062 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 10 transitions. [2019-12-07 15:09:45,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-12-07 15:09:45,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-12-07 15:09:45,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2019-12-07 15:09:45,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:09:45,062 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-12-07 15:09:45,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2019-12-07 15:09:45,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-12-07 15:09:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 15:09:45,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-12-07 15:09:45,064 INFO L711 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-12-07 15:09:45,064 INFO L591 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-12-07 15:09:45,064 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 15:09:45,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2019-12-07 15:09:45,064 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 15:09:45,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:09:45,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:09:45,065 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:09:45,065 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 15:09:45,065 INFO L794 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~N~0 := 0; 110#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem1, main_~i~0, main_~k~0, main_~#a~0.base, main_~#a~0.offset;~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 111#L7 assume ~N~0 > 0;havoc main_~i~0;havoc main_~k~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0 := 0;main_~k~0 := 0; 114#L12-2 assume !!(main_~i~0 < ~N~0);call write~int(main_~k~0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~k~0, 4);main_~i~0 := 1 + main_~i~0;main_~k~0 := 1 + main_~k~0; 115#L12-2 assume !(main_~i~0 < ~N~0); 116#L12-3 main_~i~0 := 0; 113#L18-2 [2019-12-07 15:09:45,065 INFO L796 eck$LassoCheckResult]: Loop: 113#L18-2 assume !!(main_~i~0 < ~N~0);call main_#t~mem1 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem1 == main_~i~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 118#L2 assume !(0 == __VERIFIER_assert_~cond); 112#L2-3 havoc main_#t~mem1;main_~i~0 := 1 + main_~i~0; 113#L18-2 [2019-12-07 15:09:45,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:09:45,066 INFO L82 PathProgramCache]: Analyzing trace with hash 889513522, now seen corresponding path program 1 times [2019-12-07 15:09:45,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:09:45,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245882089] [2019-12-07 15:09:45,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:09:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:45,087 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:09:45,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:09:45,088 INFO L82 PathProgramCache]: Analyzing trace with hash 56828, now seen corresponding path program 2 times [2019-12-07 15:09:45,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:09:45,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85019674] [2019-12-07 15:09:45,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:09:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:45,100 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:09:45,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:09:45,100 INFO L82 PathProgramCache]: Analyzing trace with hash -450855381, now seen corresponding path program 1 times [2019-12-07 15:09:45,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:09:45,101 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781708274] [2019-12-07 15:09:45,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:09:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:09:45,130 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:09:45,297 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:09:45,297 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:09:45,297 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:09:45,297 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:09:45,297 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:09:45,297 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:09:45,297 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:09:45,297 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:09:45,297 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration3_Lasso [2019-12-07 15:09:45,297 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:09:45,298 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:09:45,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:09:45,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:09:45,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:09:45,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:09:45,309 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 15:09:45,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:09:45,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:09:45,490 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:09:45,490 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:45,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:09:45,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:45,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:09:45,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:45,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:45,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:45,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:09:45,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:09:45,497 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:45,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 15:09:45,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:45,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:09:45,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:45,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:45,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:45,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:09:45,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:09:45,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:45,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 15:09:45,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:45,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:09:45,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:45,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:45,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:45,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:09:45,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:09:45,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:45,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 15:09:45,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:45,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:09:45,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:45,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:45,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:45,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:09:45,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:09:45,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:45,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:09:45,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:45,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:45,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:45,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:45,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:09:45,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:09:45,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:45,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 15:09:45,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:45,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:45,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:45,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:45,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:09:45,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:09:45,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:45,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 15:09:45,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:45,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:45,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:45,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:45,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:09:45,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:09:45,545 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:45,549 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 15:09:45,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:09:45,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:09:45,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:09:45,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:09:45,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:09:45,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:09:45,565 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:09:45,592 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-12-07 15:09:45,593 INFO L444 ModelExtractionUtils]: 13 out of 25 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9836c8c0-f2c5-438b-a56f-03f3c4fa9fb6/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 15:09:45,598 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:09:45,601 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 15:09:45,601 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:09:45,601 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#a~0.base)_2) = -4*ULTIMATE.start_main_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_~#a~0.base)_2 Supporting invariants [1*ULTIMATE.start_main_~#a~0.offset >= 0] [2019-12-07 15:09:45,606 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2019-12-07 15:09:45,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 15:09:45,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:09:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:09:45,633 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 15:09:45,633 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:09:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:09:45,642 INFO L264 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:09:45,642 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:09:45,654 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 15:09:45,655 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 15:09:45,655 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-12-07 15:09:45,677 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 12 states and 14 transitions. Complement of second has 5 states. [2019-12-07 15:09:45,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 15:09:45,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 15:09:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2019-12-07 15:09:45,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 6 letters. Loop has 3 letters. [2019-12-07 15:09:45,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:09:45,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 3 letters. [2019-12-07 15:09:45,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:09:45,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 6 letters. Loop has 6 letters. [2019-12-07 15:09:45,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:09:45,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2019-12-07 15:09:45,679 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:09:45,679 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2019-12-07 15:09:45,679 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 15:09:45,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 15:09:45,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 15:09:45,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:09:45,680 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:09:45,680 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:09:45,680 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:09:45,680 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 15:09:45,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:09:45,680 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:09:45,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 15:09:45,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 03:09:45 BoogieIcfgContainer [2019-12-07 15:09:45,684 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 15:09:45,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:09:45,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:09:45,685 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:09:45,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:09:44" (3/4) ... [2019-12-07 15:09:45,688 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:09:45,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:09:45,689 INFO L168 Benchmark]: Toolchain (without parser) took 1882.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 940.7 MB in the beginning and 1.0 GB in the end (delta: -68.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:09:45,690 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:09:45,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:09:45,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.12 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 15:09:45,691 INFO L168 Benchmark]: Boogie Preprocessor took 18.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:09:45,692 INFO L168 Benchmark]: RCFGBuilder took 160.83 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:09:45,692 INFO L168 Benchmark]: BuchiAutomizer took 1478.31 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: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:09:45,692 INFO L168 Benchmark]: Witness Printer took 3.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:09:45,695 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 194.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.12 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 18.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 160.83 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1478.31 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: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -4 * i + unknown-#length-unknown[a] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 23 SDtfs, 13 SDslu, 4 SDs, 0 SdLazy, 18 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital115 mio100 ax100 hnf100 lsp92 ukn70 mio100 lsp79 div100 bol100 ite100 ukn100 eq161 hnf90 smp97 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 2 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...