./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/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_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/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 0.1.23-635dfa2 [2018-12-03 00:36:39,281 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 00:36:39,282 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 00:36:39,288 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 00:36:39,288 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 00:36:39,289 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 00:36:39,289 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 00:36:39,290 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 00:36:39,291 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 00:36:39,291 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 00:36:39,292 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 00:36:39,292 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 00:36:39,292 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 00:36:39,293 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 00:36:39,293 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 00:36:39,294 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 00:36:39,294 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 00:36:39,295 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 00:36:39,296 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 00:36:39,297 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 00:36:39,297 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 00:36:39,298 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 00:36:39,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 00:36:39,299 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 00:36:39,299 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 00:36:39,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 00:36:39,300 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 00:36:39,301 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 00:36:39,301 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 00:36:39,302 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 00:36:39,302 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 00:36:39,302 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 00:36:39,302 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 00:36:39,303 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 00:36:39,303 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 00:36:39,303 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 00:36:39,304 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-03 00:36:39,311 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 00:36:39,311 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 00:36:39,312 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 00:36:39,312 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 00:36:39,312 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 00:36:39,312 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-03 00:36:39,312 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-03 00:36:39,312 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-03 00:36:39,313 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-03 00:36:39,313 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-03 00:36:39,313 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-03 00:36:39,313 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 00:36:39,313 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-03 00:36:39,313 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 00:36:39,313 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 00:36:39,313 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-03 00:36:39,313 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-03 00:36:39,313 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-03 00:36:39,313 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 00:36:39,313 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-03 00:36:39,313 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 00:36:39,314 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-03 00:36:39,314 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 00:36:39,314 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 00:36:39,314 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-03 00:36:39,314 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 00:36:39,314 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-03 00:36:39,314 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-03 00:36:39,315 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-03 00:36:39,315 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_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/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 [2018-12-03 00:36:39,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 00:36:39,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 00:36:39,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 00:36:39,341 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 00:36:39,341 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 00:36:39,341 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca_true-termination.c.i [2018-12-03 00:36:39,375 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/bin-2019/uautomizer/data/437542292/e032c97bd24e436f93eea18184d13d9a/FLAGc00ab3d58 [2018-12-03 00:36:39,839 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 00:36:39,840 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/sv-benchmarks/c/termination-memory-alloca/mult_array-alloca_true-termination.c.i [2018-12-03 00:36:39,845 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/bin-2019/uautomizer/data/437542292/e032c97bd24e436f93eea18184d13d9a/FLAGc00ab3d58 [2018-12-03 00:36:39,853 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/bin-2019/uautomizer/data/437542292/e032c97bd24e436f93eea18184d13d9a [2018-12-03 00:36:39,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 00:36:39,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 00:36:39,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 00:36:39,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 00:36:39,858 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 00:36:39,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:36:39" (1/1) ... [2018-12-03 00:36:39,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72da7353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:39, skipping insertion in model container [2018-12-03 00:36:39,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:36:39" (1/1) ... [2018-12-03 00:36:39,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 00:36:39,887 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 00:36:40,040 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 00:36:40,046 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 00:36:40,100 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 00:36:40,119 INFO L195 MainTranslator]: Completed translation [2018-12-03 00:36:40,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:40 WrapperNode [2018-12-03 00:36:40,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 00:36:40,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 00:36:40,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 00:36:40,120 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 00:36:40,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:40" (1/1) ... [2018-12-03 00:36:40,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:40" (1/1) ... [2018-12-03 00:36:40,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 00:36:40,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 00:36:40,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 00:36:40,145 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 00:36:40,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:40" (1/1) ... [2018-12-03 00:36:40,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:40" (1/1) ... [2018-12-03 00:36:40,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:40" (1/1) ... [2018-12-03 00:36:40,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:40" (1/1) ... [2018-12-03 00:36:40,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:40" (1/1) ... [2018-12-03 00:36:40,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:40" (1/1) ... [2018-12-03 00:36:40,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:40" (1/1) ... [2018-12-03 00:36:40,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 00:36:40,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 00:36:40,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 00:36:40,160 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 00:36:40,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/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 [2018-12-03 00:36:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 00:36:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-03 00:36:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 00:36:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 00:36:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 00:36:40,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 00:36:40,305 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 00:36:40,305 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-03 00:36:40,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:36:40 BoogieIcfgContainer [2018-12-03 00:36:40,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 00:36:40,306 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-03 00:36:40,306 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-03 00:36:40,309 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-03 00:36:40,309 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-03 00:36:40,309 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 03.12 12:36:39" (1/3) ... [2018-12-03 00:36:40,310 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@330f331f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 03.12 12:36:40, skipping insertion in model container [2018-12-03 00:36:40,310 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-03 00:36:40,310 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:40" (2/3) ... [2018-12-03 00:36:40,311 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@330f331f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 03.12 12:36:40, skipping insertion in model container [2018-12-03 00:36:40,311 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-03 00:36:40,311 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:36:40" (3/3) ... [2018-12-03 00:36:40,312 INFO L375 chiAutomizerObserver]: Analyzing ICFG mult_array-alloca_true-termination.c.i [2018-12-03 00:36:40,344 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 00:36:40,345 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-03 00:36:40,345 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-03 00:36:40,345 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-03 00:36:40,345 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 00:36:40,345 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 00:36:40,345 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-03 00:36:40,345 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 00:36:40,345 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-03 00:36:40,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-12-03 00:36:40,366 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-12-03 00:36:40,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-03 00:36:40,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-03 00:36:40,371 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:36:40,371 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-03 00:36:40,371 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-03 00:36:40,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-12-03 00:36:40,372 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-12-03 00:36:40,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-03 00:36:40,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-03 00:36:40,373 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:36:40,373 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-03 00:36:40,378 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 9#L-1true havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 16#L550true assume !(main_~length~0 < 1); 3#L550-2true main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 12#L552true assume !(main_~fac~0 < 1); 17#L552-2true call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.alloc(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 6#L555true assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 10#L556-3true [2018-12-03 00:36:40,378 INFO L796 eck$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 [2018-12-03 00:36:40,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:36:40,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815374, now seen corresponding path program 1 times [2018-12-03 00:36:40,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 00:36:40,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 00:36:40,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:40,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:36:40,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:40,432 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-12-03 00:36:40,432 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-12-03 00:36:40,432 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/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 [2018-12-03 00:36:40,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:36:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:36:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:36:40,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:36:40,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2018-12-03 00:36:40,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 00:36:40,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 00:36:40,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:40,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:36:40,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:36:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:36:40,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:36:40,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787760, now seen corresponding path program 1 times [2018-12-03 00:36:40,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 00:36:40,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 00:36:40,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:40,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:36:40,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:40,509 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-12-03 00:36:40,509 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-12-03 00:36:40,509 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/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 [2018-12-03 00:36:40,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:36:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:36:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:36:40,707 INFO L216 LassoAnalysis]: Preferences: [2018-12-03 00:36:40,707 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-03 00:36:40,707 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-03 00:36:40,708 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-03 00:36:40,708 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-03 00:36:40,708 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-03 00:36:40,708 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-03 00:36:40,708 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-03 00:36:40,708 INFO L131 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca_true-termination.c.i_Iteration1_Lasso [2018-12-03 00:36:40,708 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-03 00:36:40,708 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-03 00:36:40,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:40,990 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-03 00:36:40,993 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-03 00:36:40,995 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 [2018-12-03 00:36:40,995 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:40,996 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 00:36:40,996 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:40,996 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:40,996 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:40,997 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 00:36:40,997 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 00:36:40,999 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:41,000 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 [2018-12-03 00:36:41,000 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:41,000 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 00:36:41,000 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:41,000 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:41,000 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:41,001 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 00:36:41,001 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 00:36:41,001 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:41,001 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 [2018-12-03 00:36:41,002 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:41,002 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 00:36:41,002 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:41,002 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:41,002 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:41,002 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 00:36:41,003 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 00:36:41,003 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:41,004 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 [2018-12-03 00:36:41,004 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:41,004 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 00:36:41,004 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:41,004 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:41,004 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:41,005 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 00:36:41,005 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 00:36:41,005 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:41,005 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 [2018-12-03 00:36:41,006 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:41,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:41,006 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:41,006 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:41,008 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-03 00:36:41,008 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-03 00:36:41,011 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:41,012 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 [2018-12-03 00:36:41,012 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:41,012 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:41,012 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:41,012 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:41,013 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-03 00:36:41,013 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-03 00:36:41,016 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:41,016 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 [2018-12-03 00:36:41,016 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:41,017 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-03 00:36:41,017 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:41,017 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:41,018 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-03 00:36:41,018 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-03 00:36:41,027 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:41,028 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 [2018-12-03 00:36:41,028 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:41,028 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:41,028 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:41,028 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:41,032 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-03 00:36:41,032 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-03 00:36:41,056 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-03 00:36:41,082 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2018-12-03 00:36:41,082 INFO L444 ModelExtractionUtils]: 20 out of 28 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-12-03 00:36:41,084 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-03 00:36:41,085 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-03 00:36:41,085 INFO L518 LassoAnalysis]: Proved termination. [2018-12-03 00:36:41,085 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~arr~0.offset, ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~arr~0.base)_1) = -1*ULTIMATE.start_main_~arr~0.offset - 4*ULTIMATE.start_main_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_~arr~0.base)_1 Supporting invariants [] [2018-12-03 00:36:41,109 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2018-12-03 00:36:41,114 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 00:36:41,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:36:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:36:41,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 00:36:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:36:41,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 00:36:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:36:41,158 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 [2018-12-03 00:36:41,158 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2018-12-03 00:36:41,190 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. [2018-12-03 00:36:41,191 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 [2018-12-03 00:36:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-03 00:36:41,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2018-12-03 00:36:41,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2018-12-03 00:36:41,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-03 00:36:41,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 9 letters. Loop has 2 letters. [2018-12-03 00:36:41,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-03 00:36:41,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 4 letters. [2018-12-03 00:36:41,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-03 00:36:41,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2018-12-03 00:36:41,197 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-03 00:36:41,199 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 17 transitions. [2018-12-03 00:36:41,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2018-12-03 00:36:41,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2018-12-03 00:36:41,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2018-12-03 00:36:41,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-03 00:36:41,200 INFO L705 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2018-12-03 00:36:41,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2018-12-03 00:36:41,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-12-03 00:36:41,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-12-03 00:36:41,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2018-12-03 00:36:41,216 INFO L728 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2018-12-03 00:36:41,217 INFO L608 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2018-12-03 00:36:41,217 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-03 00:36:41,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2018-12-03 00:36:41,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-03 00:36:41,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-03 00:36:41,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-03 00:36:41,217 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:36:41,218 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-03 00:36:41,218 INFO L794 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 129#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 130#L550 assume !(main_~length~0 < 1); 131#L550-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 132#L552 assume !(main_~fac~0 < 1); 139#L552-2 call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.alloc(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 141#L555 assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 133#L556-3 assume !(main_~i~0 < main_~length~0); 134#L556-4 main_~j~0 := 0; 138#L559-3 [2018-12-03 00:36:41,218 INFO L796 eck$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 [2018-12-03 00:36:41,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:36:41,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787702, now seen corresponding path program 1 times [2018-12-03 00:36:41,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 00:36:41,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 00:36:41,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:41,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:36:41,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:41,221 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-12-03 00:36:41,221 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-12-03 00:36:41,221 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/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 [2018-12-03 00:36:41,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:36:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:36:41,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 00:36:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:36:41,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 00:36:41,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 00:36:41,267 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-03 00:36:41,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:36:41,267 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 1 times [2018-12-03 00:36:41,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 00:36:41,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 00:36:41,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:41,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:36:41,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:41,269 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-12-03 00:36:41,269 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-12-03 00:36:41,269 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/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 [2018-12-03 00:36:41,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:36:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:36:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:36:41,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 00:36:41,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 00:36:41,356 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand 4 states. [2018-12-03 00:36:41,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:36:41,373 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2018-12-03 00:36:41,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 00:36:41,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2018-12-03 00:36:41,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-03 00:36:41,375 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2018-12-03 00:36:41,375 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2018-12-03 00:36:41,375 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2018-12-03 00:36:41,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2018-12-03 00:36:41,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-03 00:36:41,375 INFO L705 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2018-12-03 00:36:41,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2018-12-03 00:36:41,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2018-12-03 00:36:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-12-03 00:36:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2018-12-03 00:36:41,376 INFO L728 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2018-12-03 00:36:41,376 INFO L608 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2018-12-03 00:36:41,376 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-03 00:36:41,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2018-12-03 00:36:41,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-03 00:36:41,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-03 00:36:41,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-03 00:36:41,377 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:36:41,377 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-03 00:36:41,377 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 [2018-12-03 00:36:41,377 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 [2018-12-03 00:36:41,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:36:41,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1507295208, now seen corresponding path program 1 times [2018-12-03 00:36:41,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 00:36:41,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 00:36:41,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:41,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:36:41,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:41,380 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-12-03 00:36:41,380 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-12-03 00:36:41,380 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/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 [2018-12-03 00:36:41,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:36:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:36:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:36:41,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:36:41,415 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 2 times [2018-12-03 00:36:41,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 00:36:41,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 00:36:41,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:41,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:36:41,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:41,417 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-12-03 00:36:41,417 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-12-03 00:36:41,417 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/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 [2018-12-03 00:36:41,424 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-03 00:36:41,428 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-03 00:36:41,428 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2018-12-03 00:36:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:36:41,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:36:41,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1106714758, now seen corresponding path program 1 times [2018-12-03 00:36:41,445 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 00:36:41,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 00:36:41,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:41,446 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-03 00:36:41,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:36:41,448 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-12-03 00:36:41,448 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-12-03 00:36:41,448 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c3edbf6-b9b0-425b-a9e6-2bb60044e10e/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 [2018-12-03 00:36:41,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:36:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:36:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:36:41,666 INFO L216 LassoAnalysis]: Preferences: [2018-12-03 00:36:41,666 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-03 00:36:41,666 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-03 00:36:41,666 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-03 00:36:41,666 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-03 00:36:41,666 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-03 00:36:41,667 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-03 00:36:41,667 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-03 00:36:41,667 INFO L131 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca_true-termination.c.i_Iteration3_Lasso [2018-12-03 00:36:41,667 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-03 00:36:41,667 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-03 00:36:41,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:41,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:41,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:41,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:41,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:41,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:41,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:41,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:41,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:41,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:41,908 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2018-12-03 00:36:41,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:41,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:41,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 00:36:42,261 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 50 [2018-12-03 00:36:42,443 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-03 00:36:42,444 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-03 00:36:42,444 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 [2018-12-03 00:36:42,445 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:42,445 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 00:36:42,445 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:42,445 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:42,445 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:42,445 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 00:36:42,445 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 00:36:42,446 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:42,446 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 [2018-12-03 00:36:42,446 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:42,447 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 00:36:42,447 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:42,447 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:42,447 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:42,447 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 00:36:42,447 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 00:36:42,448 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:42,448 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 [2018-12-03 00:36:42,449 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:42,449 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 00:36:42,449 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:42,449 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:42,449 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:42,449 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 00:36:42,449 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 00:36:42,450 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:42,450 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 [2018-12-03 00:36:42,450 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:42,450 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 00:36:42,450 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:42,450 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:42,451 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:42,451 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 00:36:42,451 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 00:36:42,451 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:42,451 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 [2018-12-03 00:36:42,452 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:42,452 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 00:36:42,452 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:42,452 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:42,452 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:42,452 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 00:36:42,452 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 00:36:42,453 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:42,453 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 [2018-12-03 00:36:42,453 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:42,453 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:42,454 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:42,454 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:42,454 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-03 00:36:42,454 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-03 00:36:42,456 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:42,456 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 [2018-12-03 00:36:42,456 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:42,456 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 00:36:42,457 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:42,457 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:42,457 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:42,457 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 00:36:42,457 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 00:36:42,458 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:42,458 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 [2018-12-03 00:36:42,458 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:42,458 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:42,458 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:42,458 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:42,459 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-03 00:36:42,459 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-03 00:36:42,460 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:42,461 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 [2018-12-03 00:36:42,461 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:42,461 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:42,462 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:42,462 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:42,463 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-03 00:36:42,463 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-03 00:36:42,466 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:42,467 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 [2018-12-03 00:36:42,467 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:42,467 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:42,467 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:42,468 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:42,469 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-03 00:36:42,469 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-03 00:36:42,476 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:42,476 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 [2018-12-03 00:36:42,477 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:42,477 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-03 00:36:42,477 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:42,477 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:42,478 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-03 00:36:42,478 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-03 00:36:42,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:42,484 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 [2018-12-03 00:36:42,485 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:42,485 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 00:36:42,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:42,485 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 00:36:42,485 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:42,486 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 00:36:42,486 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 00:36:42,486 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 00:36:42,487 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 [2018-12-03 00:36:42,487 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 00:36:42,487 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 00:36:42,487 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-03 00:36:42,487 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 00:36:42,495 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-12-03 00:36:42,495 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-03 00:36:42,569 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-03 00:36:42,624 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2018-12-03 00:36:42,624 INFO L444 ModelExtractionUtils]: 52 out of 61 variables were initially zero. Simplification set additionally 5 variables to zero. [2018-12-03 00:36:42,624 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-03 00:36:42,625 INFO L440 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2018-12-03 00:36:42,625 INFO L518 LassoAnalysis]: Proved termination. [2018-12-03 00:36:42,625 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, v_rep(select #length ULTIMATE.start_main_~arr2~0.base)_1, ULTIMATE.start_main_~arr2~0.offset) = -4*ULTIMATE.start_main_~j~0 + 1*v_rep(select #length ULTIMATE.start_main_~arr2~0.base)_1 - 1*ULTIMATE.start_main_~arr2~0.offset Supporting invariants [] [2018-12-03 00:36:42,658 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2018-12-03 00:36:42,659 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 00:36:42,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:36:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:36:42,674 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 00:36:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:36:42,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 00:36:42,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:36:42,686 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 [2018-12-03 00:36:42,686 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2018-12-03 00:36:42,693 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. [2018-12-03 00:36:42,693 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 [2018-12-03 00:36:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-03 00:36:42,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2018-12-03 00:36:42,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2018-12-03 00:36:42,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-03 00:36:42,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 13 letters. Loop has 2 letters. [2018-12-03 00:36:42,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-03 00:36:42,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2018-12-03 00:36:42,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-03 00:36:42,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2018-12-03 00:36:42,695 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-03 00:36:42,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2018-12-03 00:36:42,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-03 00:36:42,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-03 00:36:42,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-03 00:36:42,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-03 00:36:42,695 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 00:36:42,695 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 00:36:42,695 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 00:36:42,696 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-12-03 00:36:42,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-03 00:36:42,696 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-03 00:36:42,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-03 00:36:42,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 03.12 12:36:42 BoogieIcfgContainer [2018-12-03 00:36:42,701 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-03 00:36:42,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 00:36:42,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 00:36:42,702 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 00:36:42,702 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:36:40" (3/4) ... [2018-12-03 00:36:42,705 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 00:36:42,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 00:36:42,706 INFO L168 Benchmark]: Toolchain (without parser) took 2850.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.9 MB). Free memory was 956.0 MB in the beginning and 903.2 MB in the end (delta: 52.8 MB). Peak memory consumption was 276.7 MB. Max. memory is 11.5 GB. [2018-12-03 00:36:42,707 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 00:36:42,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-03 00:36:42,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.80 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. [2018-12-03 00:36:42,708 INFO L168 Benchmark]: Boogie Preprocessor took 14.56 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. [2018-12-03 00:36:42,708 INFO L168 Benchmark]: RCFGBuilder took 145.93 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-12-03 00:36:42,708 INFO L168 Benchmark]: BuchiAutomizer took 2395.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.6 MB). Free memory was 1.1 GB in the beginning and 903.2 MB in the end (delta: 198.1 MB). Peak memory consumption was 286.7 MB. Max. memory is 11.5 GB. [2018-12-03 00:36:42,709 INFO L168 Benchmark]: Witness Printer took 3.76 ms. Allocated memory is still 1.3 GB. Free memory is still 903.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 00:36:42,711 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.80 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. * Boogie Preprocessor took 14.56 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 145.93 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2395.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.6 MB). Free memory was 1.1 GB in the beginning and 903.2 MB in the end (delta: 198.1 MB). Peak memory consumption was 286.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.76 ms. Allocated memory is still 1.3 GB. Free memory is still 903.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * arr + -4 * i + unknown-#length-unknown[arr] and consists of 5 locations. One deterministic module has affine ranking function -4 * j + unknown-#length-unknown[arr2] + -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 2.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 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: 41 SDtfs, 41 SDslu, 19 SDs, 0 SdLazy, 26 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 hnf99 lsp85 ukn87 mio100 lsp68 div114 bol100 ite182 ukn100 eq153 hnf92 smp62 dnf114 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 138ms VariablesStem: 12 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...