./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/mcmillan2006.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_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/mcmillan2006.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/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 025e0289c8e9b33528493c96bf0a22ba3200731b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:36:01,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:36:01,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:36:01,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:36:01,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:36:01,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:36:01,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:36:01,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:36:01,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:36:01,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:36:01,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:36:01,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:36:01,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:36:01,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:36:01,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:36:01,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:36:01,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:36:01,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:36:01,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:36:01,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:36:01,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:36:01,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:36:01,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:36:01,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:36:01,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:36:01,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:36:01,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:36:01,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:36:01,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:36:01,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:36:01,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:36:01,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:36:01,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:36:01,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:36:01,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:36:01,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:36:01,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:36:01,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:36:01,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:36:01,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:36:01,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:36:01,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 13:36:01,197 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:36:01,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:36:01,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:36:01,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:36:01,198 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:36:01,198 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 13:36:01,198 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 13:36:01,198 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 13:36:01,198 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 13:36:01,198 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 13:36:01,198 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 13:36:01,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:36:01,199 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:36:01,199 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:36:01,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:36:01,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:36:01,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:36:01,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 13:36:01,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 13:36:01,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 13:36:01,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:36:01,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:36:01,200 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 13:36:01,200 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:36:01,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 13:36:01,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:36:01,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:36:01,200 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 13:36:01,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:36:01,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:36:01,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:36:01,201 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 13:36:01,201 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 13:36:01,202 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_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/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 -> 025e0289c8e9b33528493c96bf0a22ba3200731b [2019-12-07 13:36:01,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:36:01,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:36:01,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:36:01,320 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:36:01,320 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:36:01,321 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/../../sv-benchmarks/c/loop-lit/mcmillan2006.i [2019-12-07 13:36:01,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/data/975b8c05d/77bf8688059e4788a46d7ba8853ee069/FLAG012135cd5 [2019-12-07 13:36:01,757 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:36:01,757 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/sv-benchmarks/c/loop-lit/mcmillan2006.i [2019-12-07 13:36:01,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/data/975b8c05d/77bf8688059e4788a46d7ba8853ee069/FLAG012135cd5 [2019-12-07 13:36:02,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/data/975b8c05d/77bf8688059e4788a46d7ba8853ee069 [2019-12-07 13:36:02,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:36:02,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:36:02,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:36:02,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:36:02,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:36:02,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:02" (1/1) ... [2019-12-07 13:36:02,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5081d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:02, skipping insertion in model container [2019-12-07 13:36:02,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:02" (1/1) ... [2019-12-07 13:36:02,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:36:02,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:36:02,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:36:02,271 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:36:02,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:36:02,323 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:36:02,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:02 WrapperNode [2019-12-07 13:36:02,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:36:02,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:36:02,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:36:02,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:36:02,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:02" (1/1) ... [2019-12-07 13:36:02,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:02" (1/1) ... [2019-12-07 13:36:02,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:36:02,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:36:02,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:36:02,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:36:02,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:02" (1/1) ... [2019-12-07 13:36:02,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:02" (1/1) ... [2019-12-07 13:36:02,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:02" (1/1) ... [2019-12-07 13:36:02,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:02" (1/1) ... [2019-12-07 13:36:02,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:02" (1/1) ... [2019-12-07 13:36:02,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:02" (1/1) ... [2019-12-07 13:36:02,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:02" (1/1) ... [2019-12-07 13:36:02,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:36:02,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:36:02,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:36:02,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:36:02,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:36:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 13:36:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:36:02,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:36:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 13:36:02,517 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:36:02,518 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 13:36:02,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:02 BoogieIcfgContainer [2019-12-07 13:36:02,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:36:02,519 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 13:36:02,519 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 13:36:02,521 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 13:36:02,522 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:36:02,522 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:36:02" (1/3) ... [2019-12-07 13:36:02,522 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13cf368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:36:02, skipping insertion in model container [2019-12-07 13:36:02,522 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:36:02,523 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:02" (2/3) ... [2019-12-07 13:36:02,523 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13cf368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:36:02, skipping insertion in model container [2019-12-07 13:36:02,523 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:36:02,523 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:02" (3/3) ... [2019-12-07 13:36:02,524 INFO L371 chiAutomizerObserver]: Analyzing ICFG mcmillan2006.i [2019-12-07 13:36:02,551 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 13:36:02,552 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 13:36:02,552 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 13:36:02,552 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:36:02,552 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:36:02,552 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 13:36:02,552 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:36:02,552 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 13:36:02,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 13:36:02,574 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 13:36:02,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:36:02,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:36:02,578 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 13:36:02,578 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 13:36:02,578 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 13:36:02,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 13:36:02,580 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 13:36:02,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:36:02,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:36:02,580 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 13:36:02,580 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 13:36:02,585 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet1, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~post3, main_~i~0, main_#t~mem5, main_#t~post4, main_~i~1, main_~n~0, main_~x~0.base, main_~x~0.offset;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 15#L14true assume !!(0 <= main_~n~0 && main_~n~0 <= 1000);call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;main_~i~0 := 0; 11#L16-3true [2019-12-07 13:36:02,585 INFO L796 eck$LassoCheckResult]: Loop: 11#L16-3true assume !!(main_~i~0 < main_~n~0);call write~int(0, main_~x~0.base, main_~x~0.offset + 4 * main_~i~0, 4); 16#L16-2true main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 11#L16-3true [2019-12-07 13:36:02,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:02,591 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-12-07 13:36:02,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:36:02,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252815640] [2019-12-07 13:36:02,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:36:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:02,676 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:36:02,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:02,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2019-12-07 13:36:02,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:36:02,678 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151282328] [2019-12-07 13:36:02,678 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:36:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:02,690 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:36:02,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:02,691 INFO L82 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2019-12-07 13:36:02,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:36:02,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260828675] [2019-12-07 13:36:02,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:36:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:02,714 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:36:02,836 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:36:02,837 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:36:02,837 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:36:02,837 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:36:02,837 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:36:02,837 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:02,837 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:36:02,837 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:36:02,838 INFO L133 ssoRankerPreferences]: Filename of dumped script: mcmillan2006.i_Iteration1_Lasso [2019-12-07 13:36:02,838 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:36:02,838 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:36:02,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:02,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:02,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:02,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:02,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:02,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:02,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:02,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:02,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:03,096 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:36:03,100 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:03,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:03,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:03,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:36:03,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:03,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:03,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:03,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:36:03,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:36:03,109 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:03,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:03,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:03,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:36:03,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:03,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:03,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:03,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:36:03,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:36:03,116 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:03,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:03,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:03,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:36:03,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:03,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:03,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:03,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:36:03,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:36:03,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:03,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:03,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:03,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:03,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:03,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:03,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:36:03,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:36:03,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:03,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:03,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:03,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:36:03,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:03,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:03,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:03,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:36:03,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:36:03,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:03,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:03,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:03,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:36:03,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:03,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:03,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:03,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:36:03,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:36:03,147 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:03,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:03,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:03,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:36:03,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:03,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:03,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:03,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:36:03,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:36:03,154 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:03,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:03,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:03,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:03,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:03,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:03,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:36:03,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:36:03,174 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:36:03,210 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2019-12-07 13:36:03,210 INFO L444 ModelExtractionUtils]: 1 out of 22 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:03,214 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:36:03,217 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 13:36:03,217 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:36:03,218 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-12-07 13:36:03,227 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-12-07 13:36:03,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:03,261 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:36:03,262 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:03,272 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:36:03,272 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:03,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:36:03,292 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 13:36:03,293 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2019-12-07 13:36:03,332 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 40 states and 51 transitions. Complement of second has 7 states. [2019-12-07 13:36:03,332 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 13:36:03,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 13:36:03,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2019-12-07 13:36:03,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 3 letters. Loop has 2 letters. [2019-12-07 13:36:03,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:36:03,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 13:36:03,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:36:03,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 3 letters. Loop has 4 letters. [2019-12-07 13:36:03,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:36:03,337 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 51 transitions. [2019-12-07 13:36:03,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 13:36:03,343 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 11 states and 13 transitions. [2019-12-07 13:36:03,343 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-12-07 13:36:03,344 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-12-07 13:36:03,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2019-12-07 13:36:03,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:36:03,344 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-12-07 13:36:03,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2019-12-07 13:36:03,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-07 13:36:03,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 13:36:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-12-07 13:36:03,363 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-12-07 13:36:03,363 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-12-07 13:36:03,363 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 13:36:03,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2019-12-07 13:36:03,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 13:36:03,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:36:03,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:36:03,364 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 13:36:03,364 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 13:36:03,364 INFO L794 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 111#L-1 havoc main_#res;havoc main_#t~nondet1, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~post3, main_~i~0, main_#t~mem5, main_#t~post4, main_~i~1, main_~n~0, main_~x~0.base, main_~x~0.offset;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 112#L14 assume !!(0 <= main_~n~0 && main_~n~0 <= 1000);call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;main_~i~0 := 0; 117#L16-3 assume !(main_~i~0 < main_~n~0); 116#L16-4 main_~i~1 := 0; 110#L17-3 [2019-12-07 13:36:03,364 INFO L796 eck$LassoCheckResult]: Loop: 110#L17-3 assume !!(main_~i~1 < main_~n~0);call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset + 4 * main_~i~1, 4);__VERIFIER_assert_#in~cond := (if 0 == main_#t~mem5 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 113#L5 assume !(0 == __VERIFIER_assert_~cond); 114#L5-2 havoc main_#t~mem5; 109#L17-2 main_#t~post4 := main_~i~1;main_~i~1 := 1 + main_#t~post4;havoc main_#t~post4; 110#L17-3 [2019-12-07 13:36:03,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:03,365 INFO L82 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2019-12-07 13:36:03,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:36:03,365 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964266385] [2019-12-07 13:36:03,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:36:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:03,379 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:36:03,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:03,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1823306, now seen corresponding path program 1 times [2019-12-07 13:36:03,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:36:03,380 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232538967] [2019-12-07 13:36:03,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:36:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:03,395 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:36:03,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:03,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1304171029, now seen corresponding path program 1 times [2019-12-07 13:36:03,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:36:03,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460445338] [2019-12-07 13:36:03,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:36:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:36:03,444 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460445338] [2019-12-07 13:36:03,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:36:03,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:36:03,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602004116] [2019-12-07 13:36:03,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:36:03,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:36:03,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:36:03,511 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. cyclomatic complexity: 4 Second operand 4 states. [2019-12-07 13:36:03,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:36:03,535 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2019-12-07 13:36:03,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:36:03,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2019-12-07 13:36:03,537 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 13:36:03,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 13 transitions. [2019-12-07 13:36:03,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 13:36:03,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-12-07 13:36:03,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. [2019-12-07 13:36:03,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:36:03,538 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2019-12-07 13:36:03,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. [2019-12-07 13:36:03,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-12-07 13:36:03,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 13:36:03,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-12-07 13:36:03,540 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-12-07 13:36:03,540 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-12-07 13:36:03,540 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 13:36:03,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 12 transitions. [2019-12-07 13:36:03,541 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 13:36:03,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:36:03,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:36:03,541 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:36:03,541 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 13:36:03,542 INFO L794 eck$LassoCheckResult]: Stem: 151#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 147#L-1 havoc main_#res;havoc main_#t~nondet1, main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~post3, main_~i~0, main_#t~mem5, main_#t~post4, main_~i~1, main_~n~0, main_~x~0.base, main_~x~0.offset;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 148#L14 assume !!(0 <= main_~n~0 && main_~n~0 <= 1000);call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;main_~i~0 := 0; 153#L16-3 assume !!(main_~i~0 < main_~n~0);call write~int(0, main_~x~0.base, main_~x~0.offset + 4 * main_~i~0, 4); 154#L16-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 155#L16-3 assume !(main_~i~0 < main_~n~0); 152#L16-4 main_~i~1 := 0; 146#L17-3 [2019-12-07 13:36:03,542 INFO L796 eck$LassoCheckResult]: Loop: 146#L17-3 assume !!(main_~i~1 < main_~n~0);call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset + 4 * main_~i~1, 4);__VERIFIER_assert_#in~cond := (if 0 == main_#t~mem5 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 149#L5 assume !(0 == __VERIFIER_assert_~cond); 150#L5-2 havoc main_#t~mem5; 145#L17-2 main_#t~post4 := main_~i~1;main_~i~1 := 1 + main_#t~post4;havoc main_#t~post4; 146#L17-3 [2019-12-07 13:36:03,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:03,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2019-12-07 13:36:03,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:36:03,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770068684] [2019-12-07 13:36:03,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:36:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:03,561 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:36:03,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:03,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1823306, now seen corresponding path program 2 times [2019-12-07 13:36:03,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:36:03,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710512719] [2019-12-07 13:36:03,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:36:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:03,571 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:36:03,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:03,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1358706313, now seen corresponding path program 1 times [2019-12-07 13:36:03,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:36:03,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684053980] [2019-12-07 13:36:03,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:36:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:03,594 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:36:03,752 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:36:03,752 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:36:03,752 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:36:03,752 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:36:03,752 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:36:03,752 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:03,752 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:36:03,753 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:36:03,753 INFO L133 ssoRankerPreferences]: Filename of dumped script: mcmillan2006.i_Iteration3_Lasso [2019-12-07 13:36:03,753 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:36:03,753 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:36:03,755 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 13:36:03,757 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 13:36:03,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:03,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:03,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:03,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:03,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:03,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:03,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:36:04,000 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:36:04,000 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:04,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:04,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:04,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:36:04,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:04,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:04,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:04,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:36:04,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:36:04,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:04,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:04,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:04,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:36:04,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:04,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:04,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:04,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:36:04,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:36:04,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:04,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:04,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:04,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:36:04,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:04,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:04,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:04,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:36:04,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:36:04,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:04,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:04,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:04,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:04,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:04,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:04,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:36:04,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:36:04,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:04,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:04,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:04,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:36:04,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:04,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:04,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:04,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:36:04,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:36:04,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:04,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:04,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:04,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:36:04,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:04,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:04,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:04,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:36:04,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:36:04,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:04,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:04,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:04,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:04,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:04,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:04,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:36:04,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:36:04,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:04,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:04,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:04,069 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 13:36:04,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:04,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:04,072 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 13:36:04,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:36:04,077 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:04,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:04,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:04,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:04,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:04,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:04,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:36:04,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:36:04,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:04,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:04,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:04,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:04,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:04,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:04,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:36:04,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:36:04,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:04,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 13:36:04,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:36:04,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:36:04,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:36:04,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:36:04,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:36:04,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:36:04,123 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:36:04,164 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2019-12-07 13:36:04,164 INFO L444 ModelExtractionUtils]: 10 out of 25 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3aaee0d-47d0-4db1-be1c-18a65ee16bf2/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:36:04,170 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:36:04,172 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 13:36:04,173 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:36:04,173 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc2.base)_2, ULTIMATE.start_main_~i~1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc2.base)_2 - 2*ULTIMATE.start_main_~i~1 Supporting invariants [-2*ULTIMATE.start_main_~n~0 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc2.base)_2 >= 0] [2019-12-07 13:36:04,184 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 13:36:04,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 13:36:04,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:04,218 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:36:04,219 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:04,243 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-12-07 13:36:04,243 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 13:36:04,250 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:36:04,250 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 13:36:04,250 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-12-07 13:36:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:04,280 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:36:04,280 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:04,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:36:04,298 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-12-07 13:36:04,299 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 12 transitions. cyclomatic complexity: 3 Second operand 5 states. [2019-12-07 13:36:04,347 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 12 transitions. cyclomatic complexity: 3. Second operand 5 states. Result 15 states and 17 transitions. Complement of second has 6 states. [2019-12-07 13:36:04,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 13:36:04,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 13:36:04,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-12-07 13:36:04,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2019-12-07 13:36:04,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:36:04,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 11 letters. Loop has 4 letters. [2019-12-07 13:36:04,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:36:04,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 8 letters. [2019-12-07 13:36:04,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:36:04,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2019-12-07 13:36:04,349 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:36:04,349 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-12-07 13:36:04,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 13:36:04,349 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 13:36:04,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 13:36:04,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:36:04,349 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:36:04,350 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:36:04,350 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:36:04,350 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 13:36:04,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:36:04,350 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:36:04,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 13:36:04,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:36:04 BoogieIcfgContainer [2019-12-07 13:36:04,354 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 13:36:04,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:36:04,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:36:04,354 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:36:04,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:02" (3/4) ... [2019-12-07 13:36:04,357 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:36:04,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:36:04,358 INFO L168 Benchmark]: Toolchain (without parser) took 2216.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 944.6 MB in the beginning and 930.0 MB in the end (delta: 14.6 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:04,358 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:36:04,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:04,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:36:04,360 INFO L168 Benchmark]: Boogie Preprocessor took 14.35 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 13:36:04,360 INFO L168 Benchmark]: RCFGBuilder took 157.89 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:04,360 INFO L168 Benchmark]: BuchiAutomizer took 1835.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 930.0 MB in the end (delta: 135.1 MB). Peak memory consumption was 135.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:04,361 INFO L168 Benchmark]: Witness Printer took 2.83 ms. Allocated memory is still 1.1 GB. Free memory is still 930.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:36:04,363 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.43 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 14.35 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 157.89 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1835.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 930.0 MB in the end (delta: 135.1 MB). Peak memory consumption was 135.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.83 ms. Allocated memory is still 1.1 GB. Free memory is still 930.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[malloc(n * sizeof(int))] + -2 * i and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 28 SDtfs, 30 SDslu, 30 SDs, 0 SdLazy, 36 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital116 mio100 ax100 hnf99 lsp92 ukn84 mio100 lsp61 div100 bol100 ite100 ukn100 eq164 hnf89 smp90 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...