./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/mult_array-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/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 32bit --witnessprinter.graph.data.programhash f9c03ff796f05925e62ae0f4fb320e42fa8b7c37 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:45:32,083 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:45:32,084 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:45:32,091 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:45:32,091 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:45:32,092 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:45:32,093 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:45:32,094 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:45:32,095 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:45:32,095 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:45:32,096 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:45:32,096 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:45:32,097 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:45:32,098 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:45:32,098 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:45:32,099 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:45:32,099 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:45:32,101 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:45:32,102 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:45:32,103 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:45:32,104 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:45:32,105 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:45:32,106 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:45:32,106 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:45:32,107 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:45:32,107 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:45:32,108 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:45:32,108 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:45:32,109 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:45:32,110 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:45:32,110 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:45:32,110 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:45:32,111 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:45:32,111 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:45:32,111 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:45:32,112 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:45:32,112 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:45:32,122 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:45:32,123 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:45:32,123 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:45:32,123 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:45:32,124 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:45:32,124 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:45:32,124 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:45:32,124 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:45:32,124 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:45:32,124 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:45:32,124 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:45:32,125 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:45:32,125 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:45:32,125 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:45:32,125 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:45:32,125 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:45:32,125 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:45:32,125 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:45:32,126 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:45:32,126 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:45:32,126 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:45:32,126 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:45:32,126 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:45:32,126 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:45:32,126 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:45:32,127 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:45:32,127 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:45:32,127 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:45:32,127 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:45:32,127 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:45:32,127 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:45:32,128 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:45:32,128 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_721b0124-e5c4-4e70-a798-7efff9a352fd/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9c03ff796f05925e62ae0f4fb320e42fa8b7c37 [2018-11-28 12:45:32,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:45:32,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:45:32,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:45:32,160 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:45:32,160 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:45:32,160 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/mult_array-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:45:32,197 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/data/cc9979833/660b56b9187d450a8f935094402da14b/FLAGe0749a546 [2018-11-28 12:45:32,627 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:45:32,627 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/sv-benchmarks/c/array-memsafety/mult_array-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:45:32,636 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/data/cc9979833/660b56b9187d450a8f935094402da14b/FLAGe0749a546 [2018-11-28 12:45:32,647 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/data/cc9979833/660b56b9187d450a8f935094402da14b [2018-11-28 12:45:32,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:45:32,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:45:32,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:45:32,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:45:32,654 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:45:32,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:45:32" (1/1) ... [2018-11-28 12:45:32,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73decd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:45:32, skipping insertion in model container [2018-11-28 12:45:32,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:45:32" (1/1) ... [2018-11-28 12:45:32,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:45:32,685 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:45:32,860 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:45:32,867 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:45:32,937 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:45:32,962 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:45:32,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:45:32 WrapperNode [2018-11-28 12:45:32,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:45:32,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:45:32,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:45:32,963 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:45:32,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:45:32" (1/1) ... [2018-11-28 12:45:32,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:45:32" (1/1) ... [2018-11-28 12:45:32,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:45:32,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:45:32,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:45:32,994 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:45:33,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:45:32" (1/1) ... [2018-11-28 12:45:33,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:45:32" (1/1) ... [2018-11-28 12:45:33,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:45:32" (1/1) ... [2018-11-28 12:45:33,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:45:32" (1/1) ... [2018-11-28 12:45:33,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:45:32" (1/1) ... [2018-11-28 12:45:33,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:45:32" (1/1) ... [2018-11-28 12:45:33,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:45:32" (1/1) ... [2018-11-28 12:45:33,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:45:33,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:45:33,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:45:33,013 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:45:33,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:45:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:45:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:45:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:45:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:45:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:45:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:45:33,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:45:33,208 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:45:33,209 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-28 12:45:33,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:45:33 BoogieIcfgContainer [2018-11-28 12:45:33,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:45:33,209 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:45:33,209 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:45:33,211 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:45:33,212 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:45:33,212 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:45:32" (1/3) ... [2018-11-28 12:45:33,213 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a0b59a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:45:33, skipping insertion in model container [2018-11-28 12:45:33,213 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:45:33,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:45:32" (2/3) ... [2018-11-28 12:45:33,213 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a0b59a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:45:33, skipping insertion in model container [2018-11-28 12:45:33,213 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:45:33,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:45:33" (3/3) ... [2018-11-28 12:45:33,214 INFO L375 chiAutomizerObserver]: Analyzing ICFG mult_array-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:45:33,252 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:45:33,252 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:45:33,252 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:45:33,252 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:45:33,252 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:45:33,252 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:45:33,253 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:45:33,253 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:45:33,253 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:45:33,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-28 12:45:33,276 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-28 12:45:33,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:45:33,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:45:33,282 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:45:33,282 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:45:33,282 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:45:33,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-28 12:45:33,283 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-28 12:45:33,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:45:33,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:45:33,284 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:45:33,284 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:45:33,291 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 12#L-1true havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 10#L543true assume !(main_~length~0 < 1 || main_~length~0 >= 536870911); 14#L543-2true main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 7#L545true assume !(main_~fac~0 < 1 || main_~fac~0 >= 2147483647 / (4 * main_~length~0)); 11#L545-2true call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.alloc(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 3#L548true assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 6#L549-3true [2018-11-28 12:45:33,291 INFO L796 eck$LassoCheckResult]: Loop: 6#L549-3true 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; 5#L549-2true main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 6#L549-3true [2018-11-28 12:45:33,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:45:33,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815374, now seen corresponding path program 1 times [2018-11-28 12:45:33,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:45:33,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:45:33,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:33,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:45:33,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:33,349 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-28 12:45:33,349 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-28 12:45:33,349 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-28 12:45:33,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:45:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:45:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:45:33,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:45:33,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2018-11-28 12:45:33,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:45:33,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:45:33,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:33,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:45:33,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:45:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:45:33,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:45:33,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787760, now seen corresponding path program 1 times [2018-11-28 12:45:33,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:45:33,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:45:33,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:33,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:45:33,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:33,449 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-28 12:45:33,449 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-28 12:45:33,449 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-28 12:45:33,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:45:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:45:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:45:45,919 WARN L180 SmtUtils]: Spent 12.36 s on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2018-11-28 12:45:58,120 WARN L180 SmtUtils]: Spent 12.20 s on a formula simplification that was a NOOP. DAG size: 56 [2018-11-28 12:45:58,128 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:45:58,129 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:45:58,130 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:45:58,130 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:45:58,130 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:45:58,130 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:45:58,131 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:45:58,131 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:45:58,131 INFO L131 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-11-28 12:45:58,131 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:45:58,131 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:45:58,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:58,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:58,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:58,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:58,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:58,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:58,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:58,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:58,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:58,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:58,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:58,574 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:45:58,578 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:45:58,580 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:45:58,581 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:45:58,582 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:45:58,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:45:58,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:45:58,582 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:45:58,584 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:45:58,584 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:45:58,587 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:45:58,588 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:45:58,588 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:45:58,588 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:45:58,589 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:45:58,589 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:45:58,590 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:45:58,591 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:45:58,591 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:45:58,592 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:45:58,592 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:45:58,592 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:45:58,593 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:45:58,593 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:45:58,593 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:45:58,593 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:45:58,593 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:45:58,594 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:45:58,595 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:45:58,595 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:45:58,596 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:45:58,596 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:45:58,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:45:58,596 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:45:58,596 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:45:58,597 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:45:58,597 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:45:58,597 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:45:58,598 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:45:58,598 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:45:58,598 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:45:58,599 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:45:58,599 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:45:58,601 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:45:58,601 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:45:58,606 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:45:58,606 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:45:58,606 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:45:58,607 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:45:58,607 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:45:58,607 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:45:58,608 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:45:58,608 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:45:58,612 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:45:58,612 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:45:58,613 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:45:58,613 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:45:58,613 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:45:58,613 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:45:58,613 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:45:58,614 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:45:58,614 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:45:58,615 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:45:58,615 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:45:58,615 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:45:58,616 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:45:58,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:45:58,616 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:45:58,616 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:45:58,616 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:45:58,617 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:45:58,617 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:45:58,618 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:45:58,618 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:45:58,618 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 12:45:58,619 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:45:58,619 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:45:58,621 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 12:45:58,621 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:45:58,635 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:45:58,636 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:45:58,636 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:45:58,637 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 12:45:58,637 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:45:58,637 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:45:58,639 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 12:45:58,639 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:45:58,647 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:45:58,648 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:45:58,648 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:45:58,648 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:45:58,649 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:45:58,649 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:45:58,652 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:45:58,652 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:45:58,696 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:45:58,726 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-28 12:45:58,726 INFO L444 ModelExtractionUtils]: 20 out of 28 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-11-28 12:45:58,728 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:45:58,730 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 12:45:58,730 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:45:58,731 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~arr~0.offset, v_rep(select #length ULTIMATE.start_main_~arr~0.base)_1, ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~arr~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~arr~0.base)_1 - 4*ULTIMATE.start_main_~i~0 Supporting invariants [] [2018-11-28 12:45:58,756 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2018-11-28 12:45:58,761 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 12:45:58,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:45:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:45:58,786 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:45:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:45:58,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:45:58,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:45:58,818 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 12:45:58,819 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2018-11-28 12:45:58,857 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 35 states and 46 transitions. Complement of second has 7 states. [2018-11-28 12:45:58,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 12:45:58,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 12:45:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2018-11-28 12:45:58,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2018-11-28 12:45:58,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:45:58,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 9 letters. Loop has 2 letters. [2018-11-28 12:45:58,862 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:45:58,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 4 letters. [2018-11-28 12:45:58,862 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:45:58,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2018-11-28 12:45:58,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:45:58,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 17 transitions. [2018-11-28 12:45:58,867 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2018-11-28 12:45:58,867 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2018-11-28 12:45:58,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2018-11-28 12:45:58,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:45:58,868 INFO L705 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2018-11-28 12:45:58,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2018-11-28 12:45:58,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-11-28 12:45:58,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-28 12:45:58,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2018-11-28 12:45:58,885 INFO L728 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2018-11-28 12:45:58,885 INFO L608 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2018-11-28 12:45:58,885 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:45:58,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2018-11-28 12:45:58,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:45:58,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:45:58,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:45:58,886 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:45:58,886 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:45:58,886 INFO L794 eck$LassoCheckResult]: Stem: 135#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 129#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 130#L543 assume !(main_~length~0 < 1 || main_~length~0 >= 536870911); 136#L543-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 137#L545 assume !(main_~fac~0 < 1 || main_~fac~0 >= 2147483647 / (4 * main_~length~0)); 140#L545-2 call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.alloc(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 131#L548 assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 132#L549-3 assume !(main_~i~0 < main_~length~0); 138#L549-4 main_~j~0 := 0; 139#L552-3 [2018-11-28 12:45:58,887 INFO L796 eck$LassoCheckResult]: Loop: 139#L552-3 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; 141#L552-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 139#L552-3 [2018-11-28 12:45:58,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:45:58,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787702, now seen corresponding path program 1 times [2018-11-28 12:45:58,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:45:58,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:45:58,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:58,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:45:58,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:58,890 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-28 12:45:58,890 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-28 12:45:58,890 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-28 12:45:58,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:45:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:45:58,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:45:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:45:58,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:45:58,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:45:58,936 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 12:45:58,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:45:58,936 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 1 times [2018-11-28 12:45:58,936 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:45:58,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:45:58,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:58,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:45:58,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:58,938 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-28 12:45:58,938 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-28 12:45:58,938 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-28 12:45:58,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:45:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:45:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:45:59,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:45:59,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:45:59,037 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand 4 states. [2018-11-28 12:45:59,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:45:59,060 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2018-11-28 12:45:59,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:45:59,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2018-11-28 12:45:59,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:45:59,062 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2018-11-28 12:45:59,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2018-11-28 12:45:59,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2018-11-28 12:45:59,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2018-11-28 12:45:59,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:45:59,063 INFO L705 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2018-11-28 12:45:59,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2018-11-28 12:45:59,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2018-11-28 12:45:59,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-28 12:45:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2018-11-28 12:45:59,064 INFO L728 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2018-11-28 12:45:59,064 INFO L608 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2018-11-28 12:45:59,064 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 12:45:59,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2018-11-28 12:45:59,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:45:59,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:45:59,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:45:59,066 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:45:59,066 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:45:59,066 INFO L794 eck$LassoCheckResult]: Stem: 191#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#L543 assume !(main_~length~0 < 1 || main_~length~0 >= 536870911); 194#L543-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 195#L545 assume !(main_~fac~0 < 1 || main_~fac~0 >= 2147483647 / (4 * main_~length~0)); 197#L545-2 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; 189#L548 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; 190#L549-3 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#L549-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 193#L549-3 assume !(main_~i~0 < main_~length~0); 196#L549-4 main_~j~0 := 0; 198#L552-3 [2018-11-28 12:45:59,066 INFO L796 eck$LassoCheckResult]: Loop: 198#L552-3 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; 199#L552-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 198#L552-3 [2018-11-28 12:45:59,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:45:59,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1507295208, now seen corresponding path program 1 times [2018-11-28 12:45:59,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:45:59,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:45:59,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:59,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:45:59,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:59,070 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-28 12:45:59,070 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-28 12:45:59,070 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-28 12:45:59,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:45:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:45:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:45:59,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:45:59,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 2 times [2018-11-28 12:45:59,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:45:59,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:45:59,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:59,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:45:59,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:59,120 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-28 12:45:59,120 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-28 12:45:59,120 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-28 12:45:59,131 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 12:45:59,136 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-28 12:45:59,136 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2018-11-28 12:45:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:45:59,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:45:59,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1106714758, now seen corresponding path program 1 times [2018-11-28 12:45:59,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:45:59,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:45:59,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:59,158 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:45:59,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:45:59,159 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-28 12:45:59,160 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-28 12:45:59,160 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_721b0124-e5c4-4e70-a798-7efff9a352fd/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-28 12:45:59,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:45:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:45:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:45:59,388 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2018-11-28 12:45:59,477 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:45:59,477 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:45:59,477 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:45:59,477 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:45:59,477 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:45:59,477 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:45:59,478 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:45:59,478 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:45:59,478 INFO L131 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca_true-valid-memsafety_true-termination.i_Iteration3_Lasso [2018-11-28 12:45:59,478 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:45:59,478 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:45:59,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:59,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:59,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:59,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:59,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:59,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:59,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:59,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:59,758 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2018-11-28 12:45:59,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:45:59,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:46:00,036 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 48 [2018-11-28 12:46:00,208 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:46:00,208 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:46:00,208 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:46:00,209 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:00,209 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:00,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:00,209 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:00,209 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:00,210 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:00,210 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:00,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:00,211 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:46:00,211 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:00,211 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:00,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:00,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:00,211 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:00,212 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:00,212 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:00,212 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:00,212 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:46:00,213 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:00,213 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:00,213 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:00,213 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:00,213 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:00,213 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:00,214 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:00,214 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:00,214 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:46:00,215 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:00,215 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:00,215 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:00,215 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:00,215 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:00,215 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:00,216 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:00,216 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:00,216 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:46:00,217 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:00,217 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:00,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:00,217 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:00,217 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:00,217 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:00,217 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:00,218 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:00,218 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:46:00,218 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:00,219 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:00,219 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:00,219 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:00,220 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:46:00,220 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:46:00,221 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:00,222 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:46:00,222 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:00,222 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:46:00,222 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:00,222 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:46:00,223 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:00,223 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:46:00,223 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:46:00,223 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:46:00,224 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:46:00,224 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:46:00,224 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:46:00,224 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 12:46:00,224 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:46:00,236 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-28 12:46:00,236 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 12:46:00,350 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:46:00,412 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-28 12:46:00,412 INFO L444 ModelExtractionUtils]: 54 out of 61 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-28 12:46:00,413 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:46:00,414 INFO L440 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2018-11-28 12:46:00,414 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:46:00,414 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 [] [2018-11-28 12:46:00,465 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2018-11-28 12:46:00,466 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 12:46:00,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:00,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:46:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:00,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:46:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:46:00,502 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 12:46:00,502 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2018-11-28 12:46:00,511 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 15 states and 19 transitions. Complement of second has 4 states. [2018-11-28 12:46:00,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 12:46:00,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 12:46:00,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2018-11-28 12:46:00,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2018-11-28 12:46:00,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:46:00,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 13 letters. Loop has 2 letters. [2018-11-28 12:46:00,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:46:00,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2018-11-28 12:46:00,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:46:00,514 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2018-11-28 12:46:00,514 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:46:00,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2018-11-28 12:46:00,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:46:00,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:46:00,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:46:00,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:46:00,515 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:46:00,515 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:46:00,515 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:46:00,515 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-28 12:46:00,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:46:00,515 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:46:00,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 12:46:00,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:46:00 BoogieIcfgContainer [2018-11-28 12:46:00,520 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:46:00,520 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:46:00,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:46:00,521 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:46:00,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:45:33" (3/4) ... [2018-11-28 12:46:00,523 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:46:00,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:46:00,524 INFO L168 Benchmark]: Toolchain (without parser) took 27874.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.5 MB). Free memory was 956.0 MB in the beginning and 923.2 MB in the end (delta: 32.9 MB). Peak memory consumption was 248.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:00,525 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:46:00,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:00,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:00,526 INFO L168 Benchmark]: Boogie Preprocessor took 18.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:46:00,526 INFO L168 Benchmark]: RCFGBuilder took 195.93 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:00,527 INFO L168 Benchmark]: BuchiAutomizer took 27310.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 923.2 MB in the end (delta: 182.5 MB). Peak memory consumption was 251.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:00,527 INFO L168 Benchmark]: Witness Printer took 3.23 ms. Allocated memory is still 1.2 GB. Free memory is still 923.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:46:00,530 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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.59 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 195.93 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 27310.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 923.2 MB in the end (delta: 182.5 MB). Peak memory consumption was 251.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.23 ms. Allocated memory is still 1.2 GB. Free memory is still 923.2 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 + unknown-#length-unknown[arr] + -4 * i 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 27.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 27.0s. 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: 39 SDtfs, 41 SDslu, 17 SDs, 0 SdLazy, 30 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital212 mio100 ax100 hnf98 lsp94 ukn87 mio100 lsp70 div151 bol100 ite131 ukn100 eq137 hnf94 smp57 dnf113 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 190ms 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...