./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 23c47ba60fd5b5d47afa1439cbedebaab58a1798 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:17:44,288 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:17:44,289 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:17:44,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:17:44,297 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:17:44,298 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:17:44,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:17:44,300 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:17:44,301 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:17:44,302 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:17:44,303 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:17:44,303 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:17:44,304 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:17:44,305 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:17:44,306 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:17:44,306 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:17:44,307 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:17:44,309 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:17:44,310 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:17:44,311 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:17:44,312 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:17:44,313 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:17:44,314 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:17:44,314 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:17:44,315 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:17:44,315 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:17:44,316 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:17:44,317 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:17:44,318 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:17:44,318 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:17:44,318 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:17:44,319 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:17:44,319 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:17:44,319 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:17:44,320 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:17:44,321 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:17:44,321 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 01:17:44,332 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:17:44,332 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:17:44,333 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:17:44,333 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:17:44,334 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:17:44,334 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 01:17:44,334 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 01:17:44,334 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 01:17:44,334 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 01:17:44,334 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 01:17:44,334 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 01:17:44,334 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:17:44,335 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 01:17:44,335 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:17:44,335 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:17:44,335 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 01:17:44,335 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 01:17:44,335 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 01:17:44,335 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:17:44,335 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 01:17:44,336 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:17:44,337 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 01:17:44,337 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:17:44,337 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:17:44,337 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 01:17:44,337 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:17:44,338 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 01:17:44,338 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 01:17:44,338 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 01:17:44,338 INFO L133 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/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c47ba60fd5b5d47afa1439cbedebaab58a1798 [2018-11-23 01:17:44,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:17:44,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:17:44,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:17:44,377 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:17:44,378 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:17:44,378 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca_true-termination.c.i [2018-11-23 01:17:44,419 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/data/346ccd8e9/ff442e44132646638911b99149537a0f/FLAG862754419 [2018-11-23 01:17:44,812 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:17:44,812 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/sv-benchmarks/c/termination-memory-alloca/mult_array-alloca_true-termination.c.i [2018-11-23 01:17:44,820 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/data/346ccd8e9/ff442e44132646638911b99149537a0f/FLAG862754419 [2018-11-23 01:17:45,182 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/data/346ccd8e9/ff442e44132646638911b99149537a0f [2018-11-23 01:17:45,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:17:45,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:17:45,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:17:45,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:17:45,190 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:17:45,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:45" (1/1) ... [2018-11-23 01:17:45,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92c2917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45, skipping insertion in model container [2018-11-23 01:17:45,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:45" (1/1) ... [2018-11-23 01:17:45,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:17:45,237 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:17:45,433 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:17:45,442 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:17:45,524 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:17:45,548 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:17:45,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45 WrapperNode [2018-11-23 01:17:45,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:17:45,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:17:45,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:17:45,549 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:17:45,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2018-11-23 01:17:45,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2018-11-23 01:17:45,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:17:45,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:17:45,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:17:45,581 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:17:45,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2018-11-23 01:17:45,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2018-11-23 01:17:45,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2018-11-23 01:17:45,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2018-11-23 01:17:45,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2018-11-23 01:17:45,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2018-11-23 01:17:45,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2018-11-23 01:17:45,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:17:45,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:17:45,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:17:45,600 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:17:45,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/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 [2018-11-23 01:17:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:17:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 01:17:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 01:17:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 01:17:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:17:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:17:45,777 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:17:45,778 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 01:17:45,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:45 BoogieIcfgContainer [2018-11-23 01:17:45,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:17:45,779 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 01:17:45,779 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 01:17:45,782 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 01:17:45,783 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 01:17:45,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:17:45" (1/3) ... [2018-11-23 01:17:45,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66be39f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:17:45, skipping insertion in model container [2018-11-23 01:17:45,784 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 01:17:45,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (2/3) ... [2018-11-23 01:17:45,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66be39f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:17:45, skipping insertion in model container [2018-11-23 01:17:45,784 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 01:17:45,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:45" (3/3) ... [2018-11-23 01:17:45,786 INFO L375 chiAutomizerObserver]: Analyzing ICFG mult_array-alloca_true-termination.c.i [2018-11-23 01:17:45,822 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:17:45,822 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 01:17:45,822 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 01:17:45,822 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 01:17:45,822 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:17:45,823 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:17:45,823 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 01:17:45,823 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:17:45,823 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 01:17:45,836 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-23 01:17:45,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-23 01:17:45,858 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 01:17:45,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 01:17:45,862 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:17:45,862 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 01:17:45,863 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 01:17:45,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-23 01:17:45,864 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-23 01:17:45,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 01:17:45,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 01:17:45,865 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:17:45,865 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 01:17:45,870 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 9#L-1true havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 16#L550true assume !(main_~length~0 < 1); 3#L550-2true main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 12#L552true assume !(main_~fac~0 < 1); 17#L552-2true call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.alloc(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 6#L555true assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 10#L556-3true [2018-11-23 01:17:45,870 INFO L796 eck$LassoCheckResult]: Loop: 10#L556-3true assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet7, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet7; 8#L556-2true main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 10#L556-3true [2018-11-23 01:17:45,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:17:45,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815374, now seen corresponding path program 1 times [2018-11-23 01:17:45,875 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:17:45,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:17:45,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:45,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:17:45,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:45,933 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-23 01:17:45,933 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-23 01:17:45,933 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-23 01:17:45,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:17:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:17:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:17:45,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:17:45,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2018-11-23 01:17:45,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:17:45,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:17:45,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:45,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:17:45,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:17:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:17:46,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:17:46,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787760, now seen corresponding path program 1 times [2018-11-23 01:17:46,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:17:46,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:17:46,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:46,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:17:46,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:46,024 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-23 01:17:46,024 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-23 01:17:46,024 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-23 01:17:46,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:17:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:17:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:17:46,327 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 01:17:46,328 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 01:17:46,328 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 01:17:46,328 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 01:17:46,328 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 01:17:46,328 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 01:17:46,329 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 01:17:46,329 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 01:17:46,329 INFO L131 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca_true-termination.c.i_Iteration1_Lasso [2018-11-23 01:17:46,329 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 01:17:46,329 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 01:17:46,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:46,740 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 01:17:46,744 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 01:17:46,745 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,746 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,747 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:46,747 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,747 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,748 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,749 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:46,749 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:46,752 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,753 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,754 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,754 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:46,754 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,755 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,755 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,755 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:46,756 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:46,757 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,757 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,758 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,758 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:46,758 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,758 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,758 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,759 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:46,759 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:46,760 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,761 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,761 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,761 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:46,762 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,762 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,762 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:46,763 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:46,764 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,764 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,765 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,765 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:46,765 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,765 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,766 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,766 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:46,766 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:46,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,768 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,770 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,770 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,771 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,771 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,773 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:17:46,774 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:46,779 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,779 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,780 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,780 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,780 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,780 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,782 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:17:46,782 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:46,787 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,788 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,788 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,789 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,789 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,789 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,791 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:17:46,791 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:46,795 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,795 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,796 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,796 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,796 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,796 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,798 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:17:46,798 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:46,804 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,804 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,805 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,805 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:46,805 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,805 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,805 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,806 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:46,806 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:46,808 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,808 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,809 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,809 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,809 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,809 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,811 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:17:46,811 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:46,814 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,815 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,816 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,816 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:46,816 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,816 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,817 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:46,817 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:46,818 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,819 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,819 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,819 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,819 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,820 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,821 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:17:46,821 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:46,826 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,827 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,828 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,828 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 01:17:46,828 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,829 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,830 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 01:17:46,831 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:46,848 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,848 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,849 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,849 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 01:17:46,849 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,850 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,851 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 01:17:46,851 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:46,858 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,859 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,859 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,859 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:46,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,861 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,861 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,862 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:46,862 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:46,863 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,863 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,864 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,864 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,864 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,864 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,865 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:17:46,865 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:46,869 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:46,870 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:46,870 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:46,870 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:46,871 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:46,871 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:46,873 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:17:46,874 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:46,902 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 01:17:46,919 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 01:17:46,920 INFO L444 ModelExtractionUtils]: 23 out of 28 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-23 01:17:46,922 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 01:17:46,923 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 01:17:46,924 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 01:17:46,925 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length~0 Supporting invariants [] [2018-11-23 01:17:46,940 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2018-11-23 01:17:46,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:17:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:46,989 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:17:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:47,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:17:47,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:17:47,019 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 [2018-11-23 01:17:47,020 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2018-11-23 01:17:47,062 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 35 states and 46 transitions. Complement of second has 7 states. [2018-11-23 01:17:47,063 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 [2018-11-23 01:17:47,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 01:17:47,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2018-11-23 01:17:47,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2018-11-23 01:17:47,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 01:17:47,067 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 9 letters. Loop has 2 letters. [2018-11-23 01:17:47,067 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 01:17:47,067 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 4 letters. [2018-11-23 01:17:47,067 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 01:17:47,068 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2018-11-23 01:17:47,070 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 01:17:47,073 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 17 transitions. [2018-11-23 01:17:47,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2018-11-23 01:17:47,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2018-11-23 01:17:47,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2018-11-23 01:17:47,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 01:17:47,075 INFO L705 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2018-11-23 01:17:47,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2018-11-23 01:17:47,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-11-23 01:17:47,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-23 01:17:47,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2018-11-23 01:17:47,095 INFO L728 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2018-11-23 01:17:47,095 INFO L608 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2018-11-23 01:17:47,095 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 01:17:47,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2018-11-23 01:17:47,095 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 01:17:47,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 01:17:47,096 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 01:17:47,096 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:17:47,096 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 01:17:47,096 INFO L794 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 129#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 130#L550 assume !(main_~length~0 < 1); 131#L550-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 132#L552 assume !(main_~fac~0 < 1); 139#L552-2 call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.alloc(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 141#L555 assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 133#L556-3 assume !(main_~i~0 < main_~length~0); 134#L556-4 main_~j~0 := 0; 138#L559-3 [2018-11-23 01:17:47,097 INFO L796 eck$LassoCheckResult]: Loop: 138#L559-3 assume !!(main_~j~0 < main_~length~0 * main_~fac~0);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * (if main_~i~0 < 0 && 0 != main_~i~0 % main_~length~0 then (if main_~length~0 < 0 then main_~i~0 % main_~length~0 + main_~length~0 else main_~i~0 % main_~length~0 - main_~length~0) else main_~i~0 % main_~length~0), 4);call write~int(main_#t~mem9, main_~arr2~0.base, main_~arr2~0.offset + 4 * main_~j~0, 4);havoc main_#t~mem9; 140#L559-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 138#L559-3 [2018-11-23 01:17:47,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:17:47,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787702, now seen corresponding path program 1 times [2018-11-23 01:17:47,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:17:47,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:17:47,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:47,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:17:47,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:47,101 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-23 01:17:47,101 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-23 01:17:47,101 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-23 01:17:47,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:17:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:47,123 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:17:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:17:47,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:17:47,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:17:47,159 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-23 01:17:47,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:17:47,159 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 1 times [2018-11-23 01:17:47,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:17:47,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:17:47,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:47,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:17:47,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:47,162 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-23 01:17:47,162 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-23 01:17:47,162 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-23 01:17:47,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:17:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:17:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:17:47,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:17:47,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:17:47,270 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand 4 states. [2018-11-23 01:17:47,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:17:47,296 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2018-11-23 01:17:47,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:17:47,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2018-11-23 01:17:47,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 01:17:47,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2018-11-23 01:17:47,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2018-11-23 01:17:47,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2018-11-23 01:17:47,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2018-11-23 01:17:47,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 01:17:47,298 INFO L705 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2018-11-23 01:17:47,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2018-11-23 01:17:47,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2018-11-23 01:17:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-23 01:17:47,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2018-11-23 01:17:47,300 INFO L728 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2018-11-23 01:17:47,300 INFO L608 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2018-11-23 01:17:47,300 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-23 01:17:47,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2018-11-23 01:17:47,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 01:17:47,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 01:17:47,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 01:17:47,301 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:17:47,301 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 01:17:47,301 INFO L794 eck$LassoCheckResult]: Stem: 195#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 187#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 188#L550 assume !(main_~length~0 < 1); 189#L550-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 190#L552 assume !(main_~fac~0 < 1); 196#L552-2 call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.alloc(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 199#L555 assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 191#L556-3 assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet7, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet7; 192#L556-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 193#L556-3 assume !(main_~i~0 < main_~length~0); 194#L556-4 main_~j~0 := 0; 197#L559-3 [2018-11-23 01:17:47,301 INFO L796 eck$LassoCheckResult]: Loop: 197#L559-3 assume !!(main_~j~0 < main_~length~0 * main_~fac~0);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * (if main_~i~0 < 0 && 0 != main_~i~0 % main_~length~0 then (if main_~length~0 < 0 then main_~i~0 % main_~length~0 + main_~length~0 else main_~i~0 % main_~length~0 - main_~length~0) else main_~i~0 % main_~length~0), 4);call write~int(main_#t~mem9, main_~arr2~0.base, main_~arr2~0.offset + 4 * main_~j~0, 4);havoc main_#t~mem9; 198#L559-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 197#L559-3 [2018-11-23 01:17:47,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:17:47,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1507295208, now seen corresponding path program 1 times [2018-11-23 01:17:47,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:17:47,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:17:47,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:47,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:17:47,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:47,305 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-23 01:17:47,305 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-23 01:17:47,306 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-23 01:17:47,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:17:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:17:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:17:47,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:17:47,353 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 2 times [2018-11-23 01:17:47,353 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:17:47,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:17:47,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:47,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:17:47,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:47,355 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-23 01:17:47,355 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-23 01:17:47,355 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-23 01:17:47,366 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 01:17:47,372 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-23 01:17:47,372 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2018-11-23 01:17:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:17:47,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:17:47,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1106714758, now seen corresponding path program 1 times [2018-11-23 01:17:47,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:17:47,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:17:47,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:47,395 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 01:17:47,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:17:47,397 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-23 01:17:47,397 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-23 01:17:47,397 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e0620ef4-675f-46f5-84dd-1ce32d1b359d/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-23 01:17:47,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:17:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:17:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:17:47,639 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 01:17:47,639 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 01:17:47,639 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 01:17:47,639 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 01:17:47,639 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 01:17:47,640 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 01:17:47,640 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 01:17:47,640 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 01:17:47,640 INFO L131 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca_true-termination.c.i_Iteration3_Lasso [2018-11-23 01:17:47,640 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 01:17:47,640 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 01:17:47,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:47,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:47,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:47,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:47,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:47,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:47,946 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 62 [2018-11-23 01:17:48,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:48,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:48,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:48,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:48,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:48,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:48,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 01:17:48,356 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 49 [2018-11-23 01:17:48,520 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 01:17:48,521 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 01:17:48,521 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:48,522 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:48,522 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:48,522 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:48,522 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:48,522 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:48,523 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:48,523 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:48,523 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:48,524 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:48,524 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:48,524 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:48,524 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:48,524 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:48,524 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:48,525 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:48,525 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:48,525 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:48,525 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:48,526 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:48,526 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:48,526 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:48,526 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:48,526 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:48,526 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:48,526 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:48,527 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:48,527 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:48,527 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:48,527 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:48,528 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:48,528 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:48,528 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:48,528 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:48,528 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:48,528 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:48,529 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:48,529 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:48,529 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:48,529 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:48,529 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:48,530 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:48,530 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:48,530 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:48,530 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:48,531 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:48,531 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:48,531 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:48,532 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:48,532 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:48,532 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:17:48,532 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:48,539 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:48,539 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:48,539 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:48,540 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 01:17:48,540 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:48,540 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:48,541 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 01:17:48,541 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:48,547 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:48,547 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:48,548 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:48,548 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 01:17:48,548 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:48,548 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:48,548 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:48,548 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 01:17:48,549 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 01:17:48,549 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:48,550 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:48,550 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:48,550 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:48,550 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:48,550 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:48,551 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:17:48,551 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:48,555 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:48,556 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:48,556 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:48,556 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 01:17:48,556 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:48,556 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:48,557 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 01:17:48,557 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:48,562 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:48,562 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:48,563 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:48,563 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:48,563 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:48,563 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:48,564 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:17:48,564 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:48,565 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:48,566 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:48,566 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:48,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:48,566 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 01:17:48,567 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:48,567 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 01:17:48,568 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 01:17:48,572 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 01:17:48,573 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 01:17:48,573 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 01:17:48,573 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 01:17:48,574 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 01:17:48,574 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 01:17:48,584 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-23 01:17:48,584 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 01:17:48,696 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 01:17:48,769 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2018-11-23 01:17:48,769 INFO L444 ModelExtractionUtils]: 54 out of 66 variables were initially zero. Simplification set additionally 8 variables to zero. [2018-11-23 01:17:48,769 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 01:17:48,771 INFO L440 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2018-11-23 01:17:48,771 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 01:17:48,771 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~arr2~0.base)_1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~arr2~0.offset) = 2*v_rep(select #length ULTIMATE.start_main_~arr2~0.base)_1 - 4*ULTIMATE.start_main_~j~0 - 1*ULTIMATE.start_main_~arr2~0.offset Supporting invariants [] [2018-11-23 01:17:48,796 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2018-11-23 01:17:48,798 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 01:17:48,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:17:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:48,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:17:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:48,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:17:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:17:48,848 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 [2018-11-23 01:17:48,848 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2018-11-23 01:17:48,859 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 15 states and 19 transitions. Complement of second has 4 states. [2018-11-23 01:17:48,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 01:17:48,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 01:17:48,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2018-11-23 01:17:48,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2018-11-23 01:17:48,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 01:17:48,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 13 letters. Loop has 2 letters. [2018-11-23 01:17:48,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 01:17:48,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2018-11-23 01:17:48,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 01:17:48,861 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2018-11-23 01:17:48,862 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 01:17:48,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2018-11-23 01:17:48,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 01:17:48,862 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 01:17:48,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 01:17:48,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 01:17:48,862 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:17:48,862 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:17:48,862 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:17:48,862 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-23 01:17:48,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:17:48,862 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 01:17:48,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 01:17:48,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:17:48 BoogieIcfgContainer [2018-11-23 01:17:48,868 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 01:17:48,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:17:48,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:17:48,868 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:17:48,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:45" (3/4) ... [2018-11-23 01:17:48,872 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 01:17:48,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:17:48,873 INFO L168 Benchmark]: Toolchain (without parser) took 3687.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.1 MB). Free memory was 956.4 MB in the beginning and 904.5 MB in the end (delta: 52.0 MB). Peak memory consumption was 270.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:17:48,873 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:17:48,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:17:48,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:17:48,875 INFO L168 Benchmark]: Boogie Preprocessor took 18.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:17:48,875 INFO L168 Benchmark]: RCFGBuilder took 178.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:17:48,875 INFO L168 Benchmark]: BuchiAutomizer took 3089.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 90.7 MB). Free memory was 1.1 GB in the beginning and 904.5 MB in the end (delta: 188.6 MB). Peak memory consumption was 279.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:17:48,876 INFO L168 Benchmark]: Witness Printer took 3.64 ms. Allocated memory is still 1.2 GB. Free memory is still 904.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:17:48,879 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 178.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3089.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 90.7 MB). Free memory was 1.1 GB in the beginning and 904.5 MB in the end (delta: 188.6 MB). Peak memory consumption was 279.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.64 ms. Allocated memory is still 1.2 GB. Free memory is still 904.5 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 -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function 2 * unknown-#length-unknown[arr2] + -4 * j + -1 * arr2 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 40 SDtfs, 41 SDslu, 17 SDs, 0 SdLazy, 29 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital204 mio100 ax109 hnf98 lsp85 ukn87 mio100 lsp69 div114 bol100 ite181 ukn100 eq153 hnf92 smp63 dnf113 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 198ms VariablesStem: 13 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...